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<?xml version="1.0"?>
<ruleset xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" name="PHP_CodeSniffer"
xsi:noNamespaceSchemaLocation="vendor/squizlabs/php_codesniffer/phpcs.xsd">
<file>samples</file>
<file>src</file>
<file>tests</file>
<exclude-pattern>samples/Header.php</exclude-pattern>
<exclude-pattern>*/tests/Core/*/*Test\.(inc|css|js)$</exclude-pattern>
<arg name="report-width" value="200"/>
<arg name="parallel" value="80"/>
<arg name="cache" value="/tmp/.phpspreadsheet.phpcs-cache"/>
<arg name="colors"/>
<arg value="np"/>
<!-- Include the whole PSR12 standard -->
<rule ref="PSR12">
<exclude name="PSR2.Methods.MethodDeclaration.Underscore"/>
</rule>
</ruleset>

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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com)
and this project adheres to [Semantic Versioning](https://semver.org).
## 1.19.0 - 2021-10-31
### Added
- Ability to set style on named range, and validate input to setSelectedCells [Issue #2279](https://github.com/PHPOffice/PhpSpreadsheet/issues/2279) [PR #2280](https://github.com/PHPOffice/PhpSpreadsheet/pull/2280)
- Process comments in Sylk file [Issue #2276](https://github.com/PHPOffice/PhpSpreadsheet/issues/2276) [PR #2277](https://github.com/PHPOffice/PhpSpreadsheet/pull/2277)
- Addition of Custom Properties to Ods Writer, and 32-bit-safe timestamps for Document Properties [PR #2113](https://github.com/PHPOffice/PhpSpreadsheet/pull/2113)
- Added callback to CSV reader to set user-specified defaults for various properties (especially for escape which has a poor PHP-inherited default of backslash which does not correspond with Excel) [PR #2103](https://github.com/PHPOffice/PhpSpreadsheet/pull/2103)
- Phase 1 of better namespace handling for Xlsx, resolving many open issues [PR #2173](https://github.com/PHPOffice/PhpSpreadsheet/pull/2173) [PR #2204](https://github.com/PHPOffice/PhpSpreadsheet/pull/2204) [PR #2303](https://github.com/PHPOffice/PhpSpreadsheet/pull/2303)
- Add ability to extract images if source is a URL [Issue #1997](https://github.com/PHPOffice/PhpSpreadsheet/issues/1997) [PR #2072](https://github.com/PHPOffice/PhpSpreadsheet/pull/2072)
- Support for passing flags in the Reader `load()` and Writer `save()`methods, and through the IOFactory, to set behaviours [PR #2136](https://github.com/PHPOffice/PhpSpreadsheet/pull/2136)
- See [documentation](https://phpspreadsheet.readthedocs.io/en/latest/topics/reading-and-writing-to-file/#readerwriter-flags) for details
- More flexibility in the StringValueBinder to determine what datatypes should be treated as strings [PR #2138](https://github.com/PHPOffice/PhpSpreadsheet/pull/2138)
- Helper class for conversion between css size Units of measure (`px`, `pt`, `pc`, `in`, `cm`, `mm`) [PR #2152](https://github.com/PHPOffice/PhpSpreadsheet/issues/2145)
- Allow Row height and Column Width to be set using different units of measure (`px`, `pt`, `pc`, `in`, `cm`, `mm`), rather than only in points or MS Excel column width units [PR #2152](https://github.com/PHPOffice/PhpSpreadsheet/issues/2145)
- Ability to stream to an Amazon S3 bucket [Issue #2249](https://github.com/PHPOffice/PhpSpreadsheet/issues/2249)
- Provided a Size Helper class to validate size values (pt, px, em) [PR #1694](https://github.com/PHPOffice/PhpSpreadsheet/pull/1694)
### Changed
- Nothing.
### Deprecated
- PHP 8.1 will deprecate auto_detect_line_endings. As a result of this change, Csv Reader using PHP8.1+ will no longer be able to handle a Csv with Mac line endings.
### Removed
- Nothing.
### Fixed
- Unexpected format in Xlsx Timestamp [Issue #2331](https://github.com/PHPOffice/PhpSpreadsheet/issues/2331) [PR #2332](https://github.com/PHPOffice/PhpSpreadsheet/pull/2332)
- Corrections for HLOOKUP [Issue #2123](https://github.com/PHPOffice/PhpSpreadsheet/issues/2123) [PR #2330](https://github.com/PHPOffice/PhpSpreadsheet/pull/2330)
- Corrections for Xlsx Read Comments [Issue #2316](https://github.com/PHPOffice/PhpSpreadsheet/issues/2316) [PR #2329](https://github.com/PHPOffice/PhpSpreadsheet/pull/2329)
- Lowercase Calibri font names [Issue #2273](https://github.com/PHPOffice/PhpSpreadsheet/issues/2273) [PR #2325](https://github.com/PHPOffice/PhpSpreadsheet/pull/2325)
- isFormula Referencing Sheet with Space in Title [Issue #2304](https://github.com/PHPOffice/PhpSpreadsheet/issues/2304) [PR #2306](https://github.com/PHPOffice/PhpSpreadsheet/pull/2306)
- Xls Reader Fatal Error due to Undefined Offset [Issue #1114](https://github.com/PHPOffice/PhpSpreadsheet/issues/1114) [PR #2308](https://github.com/PHPOffice/PhpSpreadsheet/pull/2308)
- Permit Csv Reader delimiter to be set to null [Issue #2287](https://github.com/PHPOffice/PhpSpreadsheet/issues/2287) [PR #2288](https://github.com/PHPOffice/PhpSpreadsheet/pull/2288)
- Csv Reader did not handle booleans correctly [PR #2232](https://github.com/PHPOffice/PhpSpreadsheet/pull/2232)
- Problems when deleting sheet with local defined name [Issue #2266](https://github.com/PHPOffice/PhpSpreadsheet/issues/2266) [PR #2284](https://github.com/PHPOffice/PhpSpreadsheet/pull/2284)
- Worksheet passwords were not always handled correctly [Issue #1897](https://github.com/PHPOffice/PhpSpreadsheet/issues/1897) [PR #2197](https://github.com/PHPOffice/PhpSpreadsheet/pull/2197)
- Gnumeric Reader will now distinguish between Created and Modified timestamp [PR #2133](https://github.com/PHPOffice/PhpSpreadsheet/pull/2133)
- Xls Reader will now handle MACCENTRALEUROPE with or without hyphen [Issue #549](https://github.com/PHPOffice/PhpSpreadsheet/issues/549) [PR #2213](https://github.com/PHPOffice/PhpSpreadsheet/pull/2213)
- Tweaks to input file validation [Issue #1718](https://github.com/PHPOffice/PhpSpreadsheet/issues/1718) [PR #2217](https://github.com/PHPOffice/PhpSpreadsheet/pull/2217)
- Html Reader did not handle comments correctly [Issue #2234](https://github.com/PHPOffice/PhpSpreadsheet/issues/2234) [PR #2235](https://github.com/PHPOffice/PhpSpreadsheet/pull/2235)
- Apache OpenOffice Uses Unexpected Case for General format [Issue #2239](https://github.com/PHPOffice/PhpSpreadsheet/issues/2239) [PR #2242](https://github.com/PHPOffice/PhpSpreadsheet/pull/2242)
- Problems with fraction formatting [Issue #2253](https://github.com/PHPOffice/PhpSpreadsheet/issues/2253) [PR #2254](https://github.com/PHPOffice/PhpSpreadsheet/pull/2254)
- Xlsx Reader had problems reading file with no styles.xml or empty styles.xml [Issue #2246](https://github.com/PHPOffice/PhpSpreadsheet/issues/2246) [PR #2247](https://github.com/PHPOffice/PhpSpreadsheet/pull/2247)
- Xlsx Reader did not read Data Validation flags correctly [Issue #2224](https://github.com/PHPOffice/PhpSpreadsheet/issues/2224) [PR #2225](https://github.com/PHPOffice/PhpSpreadsheet/pull/2225)
- Better handling of empty arguments in Calculation engine [PR #2143](https://github.com/PHPOffice/PhpSpreadsheet/pull/2143)
- Many fixes for Autofilter [Issue #2216](https://github.com/PHPOffice/PhpSpreadsheet/issues/2216) [PR #2141](https://github.com/PHPOffice/PhpSpreadsheet/pull/2141) [PR #2162](https://github.com/PHPOffice/PhpSpreadsheet/pull/2162) [PR #2218](https://github.com/PHPOffice/PhpSpreadsheet/pull/2218)
- Locale generator will now use Unix line endings even on Windows [Issue #2172](https://github.com/PHPOffice/PhpSpreadsheet/issues/2172) [PR #2174](https://github.com/PHPOffice/PhpSpreadsheet/pull/2174)
- Support differences in implementation of Text functions between Excel/Ods/Gnumeric [PR #2151](https://github.com/PHPOffice/PhpSpreadsheet/pull/2151)
- Fixes to places where PHP8.1 enforces new or previously unenforced restrictions [PR #2137](https://github.com/PHPOffice/PhpSpreadsheet/pull/2137) [PR #2191](https://github.com/PHPOffice/PhpSpreadsheet/pull/2191) [PR #2231](https://github.com/PHPOffice/PhpSpreadsheet/pull/2231)
- Clone for HashTable was incorrect [PR #2130](https://github.com/PHPOffice/PhpSpreadsheet/pull/2130)
- Xlsx Reader was not evaluating Document Security Lock correctly [PR #2128](https://github.com/PHPOffice/PhpSpreadsheet/pull/2128)
- Error in COUPNCD handling end of month [Issue #2116](https://github.com/PHPOffice/PhpSpreadsheet/issues/2116) [PR #2119](https://github.com/PHPOffice/PhpSpreadsheet/pull/2119)
- Xls Writer Parser did not handle concatenation operator correctly [PR #2080](https://github.com/PHPOffice/PhpSpreadsheet/pull/2080)
- Xlsx Writer did not handle boolean false correctly [Issue #2082](https://github.com/PHPOffice/PhpSpreadsheet/issues/2082) [PR #2087](https://github.com/PHPOffice/PhpSpreadsheet/pull/2087)
- SUM needs to treat invalid strings differently depending on whether they come from a cell or are used as literals [Issue #2042](https://github.com/PHPOffice/PhpSpreadsheet/issues/2042) [PR #2045](https://github.com/PHPOffice/PhpSpreadsheet/pull/2045)
- Html reader could have set illegal coordinates when dealing with embedded tables [Issue #2029](https://github.com/PHPOffice/PhpSpreadsheet/issues/2029) [PR #2032](https://github.com/PHPOffice/PhpSpreadsheet/pull/2032)
- Documentation for printing gridlines was wrong [PR #2188](https://github.com/PHPOffice/PhpSpreadsheet/pull/2188)
- Return Value Error - DatabaseAbstruct::buildQuery() return null but must be string [Issue #2158](https://github.com/PHPOffice/PhpSpreadsheet/issues/2158) [PR #2160](https://github.com/PHPOffice/PhpSpreadsheet/pull/2160)
- Xlsx reader not recognize data validations that references another sheet [Issue #1432](https://github.com/PHPOffice/PhpSpreadsheet/issues/1432) [Issue #2149](https://github.com/PHPOffice/PhpSpreadsheet/issues/2149) [PR #2150](https://github.com/PHPOffice/PhpSpreadsheet/pull/2150) [PR #2265](https://github.com/PHPOffice/PhpSpreadsheet/pull/2265)
- Don't calculate cell width for autosize columns if a cell contains a null or empty string value [Issue #2165](https://github.com/PHPOffice/PhpSpreadsheet/issues/2165) [PR #2167](https://github.com/PHPOffice/PhpSpreadsheet/pull/2167)
- Allow negative interest rate values in a number of the Financial functions (`PPMT()`, `PMT()`, `FV()`, `PV()`, `NPER()`, etc) [Issue #2163](https://github.com/PHPOffice/PhpSpreadsheet/issues/2163) [PR #2164](https://github.com/PHPOffice/PhpSpreadsheet/pull/2164)
- Xls Reader changing grey background to black in Excel template [Issue #2147](https://github.com/PHPOffice/PhpSpreadsheet/issues/2147) [PR #2156](https://github.com/PHPOffice/PhpSpreadsheet/pull/2156)
- Column width and Row height styles in the Html Reader when the value includes a unit of measure [Issue #2145](https://github.com/PHPOffice/PhpSpreadsheet/issues/2145).
- Data Validation flags not set correctly when reading XLSX files [Issue #2224](https://github.com/PHPOffice/PhpSpreadsheet/issues/2224) [PR #2225](https://github.com/PHPOffice/PhpSpreadsheet/pull/2225)
- Reading XLSX files without styles.xml throws an exception [Issue #2246](https://github.com/PHPOffice/PhpSpreadsheet/issues/2246)
- Improved performance of `Style::applyFromArray()` when applied to several cells [PR #1785](https://github.com/PHPOffice/PhpSpreadsheet/issues/1785).
- Improve XLSX parsing speed if no readFilter is applied (again) - [#772](https://github.com/PHPOffice/PhpSpreadsheet/issues/772)
## 1.18.0 - 2021-05-31
### Added
- Enhancements to CSV Reader, allowing options to be set when using `IOFactory::load()` with a callback to set delimiter, enclosure, charset etc [PR #2103](https://github.com/PHPOffice/PhpSpreadsheet/pull/2103) - See [documentation](https://github.com/PHPOffice/PhpSpreadsheet/blob/master/docs/topics/reading-and-writing-to-file.md#csv-comma-separated-values) for details.
- Implemented basic AutoFiltering for Ods Reader and Writer [PR #2053](https://github.com/PHPOffice/PhpSpreadsheet/pull/2053)
- Implemented basic AutoFiltering for Gnumeric Reader [PR #2055](https://github.com/PHPOffice/PhpSpreadsheet/pull/2055)
- Improved support for Row and Column ranges in formulae [Issue #1755](https://github.com/PHPOffice/PhpSpreadsheet/issues/1755) [PR #2028](https://github.com/PHPOffice/PhpSpreadsheet/pull/2028)
- Implemented URLENCODE() Web Function
- Implemented the CHITEST(), CHISQ.DIST() and CHISQ.INV() and equivalent Statistical functions, for both left- and right-tailed distributions.
- Support for ActiveSheet and SelectedCells in the ODS Reader and Writer [PR #1908](https://github.com/PHPOffice/PhpSpreadsheet/pull/1908)
- Support for notContainsText Conditional Style in xlsx [Issue #984](https://github.com/PHPOffice/PhpSpreadsheet/issues/984)
### Changed
- Use of `nb` rather than `no` as the locale code for Norsk Bokmål.
### Deprecated
- All Excel Function implementations in `Calculation\Database`, `Calculation\DateTime`, `Calculation\Engineering`, `Calculation\Financial`, `Calculation\Logical`, `Calculation\LookupRef`, `Calculation\MathTrig`, `Calculation\Statistical`, `Calculation\TextData` and `Calculation\Web` have been moved to dedicated classes for individual functions or groups of related functions. See the docblocks against all the deprecated methods for details of the new methods to call instead. At some point, these old classes will be deleted.
### Removed
- Use of `nb` rather than `no` as the locale language code for Norsk Bokmål.
### Fixed
- Fixed error in COUPNCD() calculation for end of month [Issue #2116](https://github.com/PHPOffice/PhpSpreadsheet/issues/2116) - [PR #2119](https://github.com/PHPOffice/PhpSpreadsheet/pull/2119)
- Resolve default values when a null argument is passed for HLOOKUP(), VLOOKUP() and ADDRESS() functions [Issue #2120](https://github.com/PHPOffice/PhpSpreadsheet/issues/2120) - [PR #2121](https://github.com/PHPOffice/PhpSpreadsheet/pull/2121)
- Fixed incorrect R1C1 to A1 subtraction formula conversion (`R[-2]C-R[2]C`) [Issue #2076](https://github.com/PHPOffice/PhpSpreadsheet/pull/2076) [PR #2086](https://github.com/PHPOffice/PhpSpreadsheet/pull/2086)
- Correctly handle absolute A1 references when converting to R1C1 format [PR #2060](https://github.com/PHPOffice/PhpSpreadsheet/pull/2060)
- Correct default fill style for conditional without a pattern defined [Issue #2035](https://github.com/PHPOffice/PhpSpreadsheet/issues/2035) [PR #2050](https://github.com/PHPOffice/PhpSpreadsheet/pull/2050)
- Fixed issue where array key check for existince before accessing arrays in Xlsx.php [PR #1970](https://github.com/PHPOffice/PhpSpreadsheet/pull/1970)
- Fixed issue with quoted strings in number format mask rendered with toFormattedString() [Issue 1972#](https://github.com/PHPOffice/PhpSpreadsheet/issues/1972) [PR #1978](https://github.com/PHPOffice/PhpSpreadsheet/pull/1978)
- Fixed issue with percentage formats in number format mask rendered with toFormattedString() [Issue 1929#](https://github.com/PHPOffice/PhpSpreadsheet/issues/1929) [PR #1928](https://github.com/PHPOffice/PhpSpreadsheet/pull/1928)
- Fixed issue with _ spacing character in number format mask corrupting output from toFormattedString() [Issue 1924#](https://github.com/PHPOffice/PhpSpreadsheet/issues/1924) [PR #1927](https://github.com/PHPOffice/PhpSpreadsheet/pull/1927)
- Fix for [Issue #1887](https://github.com/PHPOffice/PhpSpreadsheet/issues/1887) - Lose Track of Selected Cells After Save
- Fixed issue with Xlsx@listWorksheetInfo not returning any data
- Fixed invalid arguments triggering mb_substr() error in LEFT(), MID() and RIGHT() text functions [Issue #640](https://github.com/PHPOffice/PhpSpreadsheet/issues/640)
- Fix for [Issue #1916](https://github.com/PHPOffice/PhpSpreadsheet/issues/1916) - Invalid signature check for XML files
- Fix change in `Font::setSize()` behavior for PHP8 [PR #2100](https://github.com/PHPOffice/PhpSpreadsheet/pull/2100)
## 1.17.1 - 2021-03-01
### Added
- Implementation of the Excel `AVERAGEIFS()` functions as part of a restructuring of Database functions and Conditional Statistical functions.
- Support for date values and percentages in query parameters for Database functions, and the IF expressions in functions like COUNTIF() and AVERAGEIF(). [#1875](https://github.com/PHPOffice/PhpSpreadsheet/pull/1875)
- Support for booleans, and for wildcard text search in query parameters for Database functions, and the IF expressions in functions like COUNTIF() and AVERAGEIF(). [#1876](https://github.com/PHPOffice/PhpSpreadsheet/pull/1876)
- Implemented DataBar for conditional formatting in Xlsx, providing read/write and creation of (type, value, direction, fills, border, axis position, color settings) as DataBar options in Excel. [#1754](https://github.com/PHPOffice/PhpSpreadsheet/pull/1754)
- Alignment for ODS Writer [#1796](https://github.com/PHPOffice/PhpSpreadsheet/issues/1796)
- Basic implementation of the PERMUTATIONA() Statistical Function
### Changed
- Formula functions that previously called PHP functions directly are now processed through the Excel Functions classes; resolving issues with PHP8 stricter typing. [#1789](https://github.com/PHPOffice/PhpSpreadsheet/issues/1789)
The following MathTrig functions are affected:
`ABS()`, `ACOS()`, `ACOSH()`, `ASIN()`, `ASINH()`, `ATAN()`, `ATANH()`,
`COS()`, `COSH()`, `DEGREES()` (rad2deg), `EXP()`, `LN()` (log), `LOG10()`,
`RADIANS()` (deg2rad), `SIN()`, `SINH()`, `SQRT()`, `TAN()`, `TANH()`.
One TextData function is also affected: `REPT()` (str_repeat).
- `formatAsDate` correctly matches language metadata, reverting c55272e
- Formulae that previously crashed on sub function call returning excel error value now return said value.
The following functions are affected `CUMPRINC()`, `CUMIPMT()`, `AMORLINC()`,
`AMORDEGRC()`.
- Adapt some function error return value to match excel's error.
The following functions are affected `PPMT()`, `IPMT()`.
### Deprecated
- Calling many of the Excel formula functions directly rather than through the Calculation Engine.
The logic for these Functions is now being moved out of the categorised `Database`, `DateTime`, `Engineering`, `Financial`, `Logical`, `LookupRef`, `MathTrig`, `Statistical`, `TextData` and `Web` classes into small, dedicated classes for individual functions or related groups of functions.
This makes the logic in these classes easier to maintain; and will reduce the memory footprint required to execute formulae when calling these functions.
### Removed
- Nothing.
### Fixed
- Avoid Duplicate Titles When Reading Multiple HTML Files.[Issue #1823](https://github.com/PHPOffice/PhpSpreadsheet/issues/1823) [PR #1829](https://github.com/PHPOffice/PhpSpreadsheet/pull/1829)
- Fixed issue with Worksheet's `getCell()` method when trying to get a cell by defined name. [#1858](https://github.com/PHPOffice/PhpSpreadsheet/issues/1858)
- Fix possible endless loop in NumberFormat Masks [#1792](https://github.com/PHPOffice/PhpSpreadsheet/issues/1792)
- Fix problem resulting from literal dot inside quotes in number format masks [PR #1830](https://github.com/PHPOffice/PhpSpreadsheet/pull/1830)
- Resolve Google Sheets Xlsx charts issue. Google Sheets uses oneCellAnchor positioning and does not include *Cache values in the exported Xlsx [PR #1761](https://github.com/PHPOffice/PhpSpreadsheet/pull/1761)
- Fix for Xlsx Chart axis titles mapping to correct X or Y axis label when only one is present [PR #1760](https://github.com/PHPOffice/PhpSpreadsheet/pull/1760)
- Fix For Null Exception on ODS Read of Page Settings. [#1772](https://github.com/PHPOffice/PhpSpreadsheet/issues/1772)
- Fix Xlsx reader overriding manually set number format with builtin number format [PR #1805](https://github.com/PHPOffice/PhpSpreadsheet/pull/1805)
- Fix Xlsx reader cell alignment [PR #1710](https://github.com/PHPOffice/PhpSpreadsheet/pull/1710)
- Fix for not yet implemented data-types in Open Document writer [Issue #1674](https://github.com/PHPOffice/PhpSpreadsheet/issues/1674)
- Fix XLSX reader when having a corrupt numeric cell data type [PR #1664](https://github.com/phpoffice/phpspreadsheet/pull/1664)
- Fix on `CUMPRINC()`, `CUMIPMT()`, `AMORLINC()`, `AMORDEGRC()` usage. When those functions called one of `YEARFRAC()`, `PPMT()`, `IPMT()` and they would get back an error value (represented as a string), trying to use numeral operands (`+`, `/`, `-`, `*`) on said return value and a number (`float or `int`) would fail.
## 1.16.0 - 2020-12-31
### Added
- CSV Reader - Best Guess for Encoding, and Handle Null-string Escape [#1647](https://github.com/PHPOffice/PhpSpreadsheet/issues/1647)
### Changed
- Updated the CONVERT() function to support all current MS Excel categories and Units of Measure.
### Deprecated
- All Excel Function implementations in `Calculation\Database`, `Calculation\DateTime`, `Calculation\Engineering`, `Calculation\Financial`, `Calculation\Logical`, `Calculation\LookupRef`, `Calculation\MathTrig`, `Calculation\Statistical`, `Calculation\TextData` and `Calculation\Web` have been moved to dedicated classes for individual functions or groups of related functions. See the docblocks against all the deprecated methods for details of the new methods to call instead. At some point, these old classes will be deleted.
### Removed
- Nothing.
### Fixed
- Fixed issue with absolute path in worksheets' Target [PR #1769](https://github.com/PHPOffice/PhpSpreadsheet/pull/1769)
- Fix for Xls Reader when SST has a bad length [#1592](https://github.com/PHPOffice/PhpSpreadsheet/issues/1592)
- Resolve Xlsx loader issue whe hyperlinks don't have a destination
- Resolve issues when printer settings resources IDs clash with drawing IDs
- Resolve issue with SLK long filenames [#1612](https://github.com/PHPOffice/PhpSpreadsheet/issues/1612)
- ROUNDUP and ROUNDDOWN return incorrect results for values of 0 [#1627](https://github.com/phpoffice/phpspreadsheet/pull/1627)
- Apply Column and Row Styles to Existing Cells [#1712](https://github.com/PHPOffice/PhpSpreadsheet/issues/1712) [PR #1721](https://github.com/PHPOffice/PhpSpreadsheet/pull/1721)
- Resolve issues with defined names where worksheet doesn't exist (#1686)[https://github.com/PHPOffice/PhpSpreadsheet/issues/1686] and [#1723](https://github.com/PHPOffice/PhpSpreadsheet/issues/1723) - [PR #1742](https://github.com/PHPOffice/PhpSpreadsheet/pull/1742)
- Fix for issue [#1735](https://github.com/PHPOffice/PhpSpreadsheet/issues/1735) Incorrect activeSheetIndex after RemoveSheetByIndex - [PR #1743](https://github.com/PHPOffice/PhpSpreadsheet/pull/1743)
- Ensure that the list of shared formulae is maintained when an xlsx file is chunked with readFilter[Issue #169](https://github.com/PHPOffice/PhpSpreadsheet/issues/1669).
- Fix for notice during accessing "cached magnification factor" offset [#1354](https://github.com/PHPOffice/PhpSpreadsheet/pull/1354)
- Fix compatibility with ext-gd on php 8
### Security Fix (CVE-2020-7776)
- Prevent XSS through cell comments in the HTML Writer.
## 1.15.0 - 2020-10-11
### Added
- Implemented Page Order for Xlsx and Xls Readers, and provided Page Settings (Orientation, Scale, Horizontal/Vertical Centering, Page Order, Margins) support for Ods, Gnumeric and Xls Readers [#1559](https://github.com/PHPOffice/PhpSpreadsheet/pull/1559)
- Implementation of the Excel `LOGNORM.DIST()`, `NORM.S.DIST()`, `GAMMA()` and `GAUSS()` functions. [#1588](https://github.com/PHPOffice/PhpSpreadsheet/pull/1588)
- Named formula implementation, and improved handling of Defined Names generally [#1535](https://github.com/PHPOffice/PhpSpreadsheet/pull/1535)
- Defined Names are now case-insensitive
- Distinction between named ranges and named formulae
- Correct handling of union and intersection operators in named ranges
- Correct evaluation of named range operators in calculations
- fix resolution of relative named range values in the calculation engine; previously all named range values had been treated as absolute.
- Calculation support for named formulae
- Support for nested ranges and formulae (named ranges and formulae that reference other named ranges/formulae) in calculations
- Introduction of a helper to convert address formats between R1C1 and A1 (and the reverse)
- Proper support for both named ranges and named formulae in all appropriate Readers
- **Xlsx** (Previously only simple named ranges were supported)
- **Xls** (Previously only simple named ranges were supported)
- **Gnumeric** (Previously neither named ranges nor formulae were supported)
- **Ods** (Previously neither named ranges nor formulae were supported)
- **Xml** (Previously neither named ranges nor formulae were supported)
- Proper support for named ranges and named formulae in all appropriate Writers
- **Xlsx** (Previously only simple named ranges were supported)
- **Xls** (Previously neither named ranges nor formulae were supported) - Still not supported, but some parser issues resolved that previously failed to differentiate between a defined name and a function name
- **Ods** (Previously neither named ranges nor formulae were supported)
- Support for PHP 8.0
### Changed
- Improve Coverage for ODS Reader [#1545](https://github.com/phpoffice/phpspreadsheet/pull/1545)
- Named formula implementation, and improved handling of Defined Names generally [#1535](https://github.com/PHPOffice/PhpSpreadsheet/pull/1535)
- fix resolution of relative named range values in the calculation engine; previously all named range values had been treated as absolute.
- Drop $this->spreadSheet null check from Xlsx Writer [#1646](https://github.com/phpoffice/phpspreadsheet/pull/1646)
- Improving Coverage for Excel2003 XML Reader [#1557](https://github.com/phpoffice/phpspreadsheet/pull/1557)
### Deprecated
- **IMPORTANT NOTE:** This Introduces a **BC break** in the handling of named ranges. Previously, a named range cell reference of `B2` would be treated identically to a named range cell reference of `$B2` or `B$2` or `$B$2` because the calculation engine treated then all as absolute references. These changes "fix" that, so the calculation engine now handles relative references in named ranges correctly.
This change that resolves previously incorrect behaviour in the calculation may affect users who have dynamically defined named ranges using relative references when they should have used absolute references.
### Removed
- Nothing.
### Fixed
- PrintArea causes exception [#1544](https://github.com/phpoffice/phpspreadsheet/pull/1544)
- Calculation/DateTime Failure With PHP8 [#1661](https://github.com/phpoffice/phpspreadsheet/pull/1661)
- Reader/Gnumeric Failure with PHP8 [#1662](https://github.com/phpoffice/phpspreadsheet/pull/1662)
- ReverseSort bug, exposed but not caused by PHP8 [#1660](https://github.com/phpoffice/phpspreadsheet/pull/1660)
- Bug setting Superscript/Subscript to false [#1567](https://github.com/phpoffice/phpspreadsheet/pull/1567)
## 1.14.1 - 2020-07-19
### Added
- nothing
### Fixed
- WEBSERVICE is HTTP client agnostic and must be configured via `Settings::setHttpClient()` [#1562](https://github.com/PHPOffice/PhpSpreadsheet/issues/1562)
- Borders were not complete on rowspanned columns using HTML reader [#1473](https://github.com/PHPOffice/PhpSpreadsheet/pull/1473)
### Changed
## 1.14.0 - 2020-06-29
### Added
- Add support for IFS() logical function [#1442](https://github.com/PHPOffice/PhpSpreadsheet/pull/1442)
- Add Cell Address Helper to provide conversions between the R1C1 and A1 address formats [#1558](https://github.com/PHPOffice/PhpSpreadsheet/pull/1558)
- Add ability to edit Html/Pdf before saving [#1499](https://github.com/PHPOffice/PhpSpreadsheet/pull/1499)
- Add ability to set codepage explicitly for BIFF5 [#1018](https://github.com/PHPOffice/PhpSpreadsheet/issues/1018)
- Added support for the WEBSERVICE function [#1409](https://github.com/PHPOffice/PhpSpreadsheet/pull/1409)
### Fixed
- Resolve evaluation of utf-8 named ranges in calculation engine [#1522](https://github.com/PHPOffice/PhpSpreadsheet/pull/1522)
- Fix HLOOKUP on single row [#1512](https://github.com/PHPOffice/PhpSpreadsheet/pull/1512)
- Fix MATCH when comparing different numeric types [#1521](https://github.com/PHPOffice/PhpSpreadsheet/pull/1521)
- Fix exact MATCH on ranges with empty cells [#1520](https://github.com/PHPOffice/PhpSpreadsheet/pull/1520)
- Fix for Issue [#1516](https://github.com/PHPOffice/PhpSpreadsheet/issues/1516) (Cloning worksheet makes corrupted Xlsx) [#1530](https://github.com/PHPOffice/PhpSpreadsheet/pull/1530)
- Fix For Issue [#1509](https://github.com/PHPOffice/PhpSpreadsheet/issues/1509) (Can not set empty enclosure for CSV) [#1518](https://github.com/PHPOffice/PhpSpreadsheet/pull/1518)
- Fix for Issue [#1505](https://github.com/PHPOffice/PhpSpreadsheet/issues/1505) (TypeError : Argument 4 passed to PhpOffice\PhpSpreadsheet\Writer\Xlsx\Worksheet::writeAttributeIf() must be of the type string) [#1525](https://github.com/PHPOffice/PhpSpreadsheet/pull/1525)
- Fix for Issue [#1495](https://github.com/PHPOffice/PhpSpreadsheet/issues/1495) (Sheet index being changed when multiple sheets are used in formula) [#1500]((https://github.com/PHPOffice/PhpSpreadsheet/pull/1500))
- Fix for Issue [#1533](https://github.com/PHPOffice/PhpSpreadsheet/issues/1533) (A reference to a cell containing a string starting with "#" leads to errors in the generated xlsx.) [#1534](https://github.com/PHPOffice/PhpSpreadsheet/pull/1534)
- Xls Writer - Correct Timestamp Bug [#1493](https://github.com/PHPOffice/PhpSpreadsheet/pull/1493)
- Don't ouput row and columns without any cells in HTML writer [#1235](https://github.com/PHPOffice/PhpSpreadsheet/issues/1235)
## 1.13.0 - 2020-05-31
### Added
- Support writing to streams in all writers [#1292](https://github.com/PHPOffice/PhpSpreadsheet/issues/1292)
- Support CSV files with data wrapping a lot of lines [#1468](https://github.com/PHPOffice/PhpSpreadsheet/pull/1468)
- Support protection of worksheet by a specific hash algorithm [#1485](https://github.com/PHPOffice/PhpSpreadsheet/pull/1485)
### Fixed
- Fix Chart samples by updating chart parameter from 0 to DataSeries::EMPTY_AS_GAP [#1448](https://github.com/PHPOffice/PhpSpreadsheet/pull/1448)
- Fix return type in docblock for the Cells::get() [#1398](https://github.com/PHPOffice/PhpSpreadsheet/pull/1398)
- Fix RATE, PRICE, XIRR, and XNPV Functions [#1456](https://github.com/PHPOffice/PhpSpreadsheet/pull/1456)
- Save Excel 2010+ functions properly in XLSX [#1461](https://github.com/PHPOffice/PhpSpreadsheet/pull/1461)
- Several improvements in HTML writer [#1464](https://github.com/PHPOffice/PhpSpreadsheet/pull/1464)
- Fix incorrect behaviour when saving XLSX file with drawings [#1462](https://github.com/PHPOffice/PhpSpreadsheet/pull/1462),
- Fix Crash while trying setting a cell the value "123456\n" [#1476](https://github.com/PHPOffice/PhpSpreadsheet/pull/1481)
- Improved DATEDIF() function and reduced errors for Y and YM units [#1466](https://github.com/PHPOffice/PhpSpreadsheet/pull/1466)
- Stricter typing for mergeCells [#1494](https://github.com/PHPOffice/PhpSpreadsheet/pull/1494)
### Changed
- Drop support for PHP 7.1, according to https://phpspreadsheet.readthedocs.io/en/latest/#php-version-support
- Drop partial migration tool in favor of complete migration via RectorPHP [#1445](https://github.com/PHPOffice/PhpSpreadsheet/issues/1445)
- Limit composer package to `src/` [#1424](https://github.com/PHPOffice/PhpSpreadsheet/pull/1424)
## 1.12.0 - 2020-04-27
### Added
- Improved the ARABIC function to also handle short-hand roman numerals
- Added support for the FLOOR.MATH and FLOOR.PRECISE functions [#1351](https://github.com/PHPOffice/PhpSpreadsheet/pull/1351)
### Fixed
- Fix ROUNDUP and ROUNDDOWN for floating-point rounding error [#1404](https://github.com/PHPOffice/PhpSpreadsheet/pull/1404)
- Fix ROUNDUP and ROUNDDOWN for negative number [#1417](https://github.com/PHPOffice/PhpSpreadsheet/pull/1417)
- Fix loading styles from vmlDrawings when containing whitespace [#1347](https://github.com/PHPOffice/PhpSpreadsheet/issues/1347)
- Fix incorrect behavior when removing last row [#1365](https://github.com/PHPOffice/PhpSpreadsheet/pull/1365)
- MATCH with a static array should return the position of the found value based on the values submitted [#1332](https://github.com/PHPOffice/PhpSpreadsheet/pull/1332)
- Fix Xlsx Reader's handling of undefined fill color [#1353](https://github.com/PHPOffice/PhpSpreadsheet/pull/1353)
## 1.11.0 - 2020-03-02
### Added
- Added support for the BASE function
- Added support for the ARABIC function
- Conditionals - Extend Support for (NOT)CONTAINSBLANKS [#1278](https://github.com/PHPOffice/PhpSpreadsheet/pull/1278)
### Fixed
- Handle Error in Formula Processing Better for Xls [#1267](https://github.com/PHPOffice/PhpSpreadsheet/pull/1267)
- Handle ConditionalStyle NumberFormat When Reading Xlsx File [#1296](https://github.com/PHPOffice/PhpSpreadsheet/pull/1296)
- Fix Xlsx Writer's handling of decimal commas [#1282](https://github.com/PHPOffice/PhpSpreadsheet/pull/1282)
- Fix for issue by removing test code mistakenly left in [#1328](https://github.com/PHPOffice/PhpSpreadsheet/pull/1328)
- Fix for Xls writer wrong selected cells and active sheet [#1256](https://github.com/PHPOffice/PhpSpreadsheet/pull/1256)
- Fix active cell when freeze pane is used [#1323](https://github.com/PHPOffice/PhpSpreadsheet/pull/1323)
- Fix XLSX file loading with autofilter containing '$' [#1326](https://github.com/PHPOffice/PhpSpreadsheet/pull/1326)
- PHPDoc - Use `@return $this` for fluent methods [#1362](https://github.com/PHPOffice/PhpSpreadsheet/pull/1362)
## 1.10.1 - 2019-12-02
### Changed
- PHP 7.4 compatibility
### Fixed
- FLOOR() function accept negative number and negative significance [#1245](https://github.com/PHPOffice/PhpSpreadsheet/pull/1245)
- Correct column style even when using rowspan [#1249](https://github.com/PHPOffice/PhpSpreadsheet/pull/1249)
- Do not confuse defined names and cell refs [#1263](https://github.com/PHPOffice/PhpSpreadsheet/pull/1263)
- XLSX reader/writer keep decimal for floats with a zero decimal part [#1262](https://github.com/PHPOffice/PhpSpreadsheet/pull/1262)
- ODS writer prevent invalid numeric value if locale decimal separator is comma [#1268](https://github.com/PHPOffice/PhpSpreadsheet/pull/1268)
- Xlsx writer actually writes plotVisOnly and dispBlanksAs from chart properties [#1266](https://github.com/PHPOffice/PhpSpreadsheet/pull/1266)
## 1.10.0 - 2019-11-18
### Changed
- Change license from LGPL 2.1 to MIT [#140](https://github.com/PHPOffice/PhpSpreadsheet/issues/140)
### Added
- Implementation of IFNA() logical function
- Support "showZeros" worksheet option to change how Excel shows and handles "null" values returned from a calculation
- Allow HTML Reader to accept HTML as a string into an existing spreadsheet [#1212](https://github.com/PHPOffice/PhpSpreadsheet/pull/1212)
### Fixed
- IF implementation properly handles the value `#N/A` [#1165](https://github.com/PHPOffice/PhpSpreadsheet/pull/1165)
- Formula Parser: Wrong line count for stuff like "MyOtherSheet!A:D" [#1215](https://github.com/PHPOffice/PhpSpreadsheet/issues/1215)
- Call garbage collector after removing a column to prevent stale cached values
- Trying to remove a column that doesn't exist deletes the latest column
- Keep big integer as integer instead of lossely casting to float [#874](https://github.com/PHPOffice/PhpSpreadsheet/pull/874)
- Fix branch pruning handling of non boolean conditions [#1167](https://github.com/PHPOffice/PhpSpreadsheet/pull/1167)
- Fix ODS Reader when no DC namespace are defined [#1182](https://github.com/PHPOffice/PhpSpreadsheet/pull/1182)
- Fixed Functions->ifCondition for allowing <> and empty condition [#1206](https://github.com/PHPOffice/PhpSpreadsheet/pull/1206)
- Validate XIRR inputs and return correct error values [#1120](https://github.com/PHPOffice/PhpSpreadsheet/issues/1120)
- Allow to read xlsx files with exotic workbook names like "workbook2.xml" [#1183](https://github.com/PHPOffice/PhpSpreadsheet/pull/1183)
## 1.9.0 - 2019-08-17
### Changed
- Drop support for PHP 5.6 and 7.0, according to https://phpspreadsheet.readthedocs.io/en/latest/#php-version-support
### Added
- When &lt;br&gt; appears in a table cell, set the cell to wrap [#1071](https://github.com/PHPOffice/PhpSpreadsheet/issues/1071) and [#1070](https://github.com/PHPOffice/PhpSpreadsheet/pull/1070)
- Add MAXIFS, MINIFS, COUNTIFS and Remove MINIF, MAXIF [#1056](https://github.com/PHPOffice/PhpSpreadsheet/issues/1056)
- HLookup needs an ordered list even if range_lookup is set to false [#1055](https://github.com/PHPOffice/PhpSpreadsheet/issues/1055) and [#1076](https://github.com/PHPOffice/PhpSpreadsheet/pull/1076)
- Improve performance of IF function calls via ranch pruning to avoid resolution of every branches [#844](https://github.com/PHPOffice/PhpSpreadsheet/pull/844)
- MATCH function supports `*?~` Excel functionality, when match_type=0 [#1116](https://github.com/PHPOffice/PhpSpreadsheet/issues/1116)
- Allow HTML Reader to accept HTML as a string [#1136](https://github.com/PHPOffice/PhpSpreadsheet/pull/1136)
### Fixed
- Fix to AVERAGEIF() function when called with a third argument
- Eliminate duplicate fill none style entries [#1066](https://github.com/PHPOffice/PhpSpreadsheet/issues/1066)
- Fix number format masks containing literal (non-decimal point) dots [#1079](https://github.com/PHPOffice/PhpSpreadsheet/issues/1079)
- Fix number format masks containing named colours that were being misinterpreted as date formats; and add support for masks that fully replace the value with a full text string [#1009](https://github.com/PHPOffice/PhpSpreadsheet/issues/1009)
- Stricter-typed comparison testing in COUNTIF() and COUNTIFS() evaluation [#1046](https://github.com/PHPOffice/PhpSpreadsheet/issues/1046)
- COUPNUM should not return zero when settlement is in the last period [#1020](https://github.com/PHPOffice/PhpSpreadsheet/issues/1020) and [#1021](https://github.com/PHPOffice/PhpSpreadsheet/pull/1021)
- Fix handling of named ranges referencing sheets with spaces or "!" in their title
- Cover `getSheetByName()` with tests for name with quote and spaces [#739](https://github.com/PHPOffice/PhpSpreadsheet/issues/739)
- Best effort to support invalid colspan values in HTML reader - [#878](https://github.com/PHPOffice/PhpSpreadsheet/pull/878)
- Fixes incorrect rows deletion [#868](https://github.com/PHPOffice/PhpSpreadsheet/issues/868)
- MATCH function fix (value search by type, stop search when match_type=-1 and unordered element encountered) [#1116](https://github.com/PHPOffice/PhpSpreadsheet/issues/1116)
- Fix `getCalculatedValue()` error with more than two INDIRECT [#1115](https://github.com/PHPOffice/PhpSpreadsheet/pull/1115)
- Writer\Html did not hide columns [#985](https://github.com/PHPOffice/PhpSpreadsheet/pull/985)
## 1.8.2 - 2019-07-08
### Fixed
- Uncaught error when opening ods file and properties aren't defined [#1047](https://github.com/PHPOffice/PhpSpreadsheet/issues/1047)
- Xlsx Reader Cell datavalidations bug [#1052](https://github.com/PHPOffice/PhpSpreadsheet/pull/1052)
## 1.8.1 - 2019-07-02
### Fixed
- Allow nullable theme for Xlsx Style Reader class [#1043](https://github.com/PHPOffice/PhpSpreadsheet/issues/1043)
## 1.8.0 - 2019-07-01
### Security Fix (CVE-2019-12331)
- Detect double-encoded xml in the Security scanner, and reject as suspicious.
- This change also broadens the scope of the `libxml_disable_entity_loader` setting when reading XML-based formats, so that it is enabled while the xml is being parsed and not simply while it is loaded.
On some versions of PHP, this can cause problems because it is not thread-safe, and can affect other PHP scripts running on the same server. This flag is set to true when instantiating a loader, and back to its original setting when the Reader is no longer in scope, or manually unset.
- Provide a check to identify whether libxml_disable_entity_loader is thread-safe or not.
`XmlScanner::threadSafeLibxmlDisableEntityLoaderAvailability()`
- Provide an option to disable the libxml_disable_entity_loader call through settings. This is not recommended as it reduces the security of the XML-based readers, and should only be used if you understand the consequences and have no other choice.
### Added
- Added support for the SWITCH function [#963](https://github.com/PHPOffice/PhpSpreadsheet/issues/963) and [#983](https://github.com/PHPOffice/PhpSpreadsheet/pull/983)
- Add accounting number format style [#974](https://github.com/PHPOffice/PhpSpreadsheet/pull/974)
### Fixed
- Whitelist `tsv` extension when opening CSV files [#429](https://github.com/PHPOffice/PhpSpreadsheet/issues/429)
- Fix a SUMIF warning with some versions of PHP when having different length of arrays provided as input [#873](https://github.com/PHPOffice/PhpSpreadsheet/pull/873)
- Fix incorrectly handled backslash-escaped space characters in number format
## 1.7.0 - 2019-05-26
- Added support for inline styles in Html reader (borders, alignment, width, height)
- QuotedText cells no longer treated as formulae if the content begins with a `=`
- Clean handling for DDE in formulae
### Fixed
- Fix handling for escaped enclosures and new lines in CSV Separator Inference
- Fix MATCH an error was appearing when comparing strings against 0 (always true)
- Fix wrong calculation of highest column with specified row [#700](https://github.com/PHPOffice/PhpSpreadsheet/issues/700)
- Fix VLOOKUP
- Fix return type hint
## 1.6.0 - 2019-01-02
### Added
- Refactored Matrix Functions to use external Matrix library
- Possibility to specify custom colors of values for pie and donut charts [#768](https://github.com/PHPOffice/PhpSpreadsheet/pull/768)
### Fixed
- Improve XLSX parsing speed if no readFilter is applied [#772](https://github.com/PHPOffice/PhpSpreadsheet/issues/772)
- Fix column names if read filter calls in XLSX reader skip columns [#777](https://github.com/PHPOffice/PhpSpreadsheet/pull/777)
- XLSX reader can now ignore blank cells, using the setReadEmptyCells(false) method. [#810](https://github.com/PHPOffice/PhpSpreadsheet/issues/810)
- Fix LOOKUP function which was breaking on edge cases [#796](https://github.com/PHPOffice/PhpSpreadsheet/issues/796)
- Fix VLOOKUP with exact matches [#809](https://github.com/PHPOffice/PhpSpreadsheet/pull/809)
- Support COUNTIFS multiple arguments [#830](https://github.com/PHPOffice/PhpSpreadsheet/pull/830)
- Change `libxml_disable_entity_loader()` as shortly as possible [#819](https://github.com/PHPOffice/PhpSpreadsheet/pull/819)
- Improved memory usage and performance when loading large spreadsheets [#822](https://github.com/PHPOffice/PhpSpreadsheet/pull/822)
- Improved performance when loading large spreadsheets [#825](https://github.com/PHPOffice/PhpSpreadsheet/pull/825)
- Improved performance when loading large spreadsheets [#824](https://github.com/PHPOffice/PhpSpreadsheet/pull/824)
- Fix color from CSS when reading from HTML [#831](https://github.com/PHPOffice/PhpSpreadsheet/pull/831)
- Fix infinite loop when reading invalid ODS files [#832](https://github.com/PHPOffice/PhpSpreadsheet/pull/832)
- Fix time format for duration is incorrect [#666](https://github.com/PHPOffice/PhpSpreadsheet/pull/666)
- Fix iconv unsupported `//IGNORE//TRANSLIT` on IBM i [#791](https://github.com/PHPOffice/PhpSpreadsheet/issues/791)
### Changed
- `master` is the new default branch, `develop` does not exist anymore
## 1.5.2 - 2018-11-25
### Security
- Improvements to the design of the XML Security Scanner [#771](https://github.com/PHPOffice/PhpSpreadsheet/issues/771)
## 1.5.1 - 2018-11-20
### Security
- Fix and improve XXE security scanning for XML-based and HTML Readers [#771](https://github.com/PHPOffice/PhpSpreadsheet/issues/771)
### Added
- Support page margin in mPDF [#750](https://github.com/PHPOffice/PhpSpreadsheet/issues/750)
### Fixed
- Support numeric condition in SUMIF, SUMIFS, AVERAGEIF, COUNTIF, MAXIF and MINIF [#683](https://github.com/PHPOffice/PhpSpreadsheet/issues/683)
- SUMIFS containing multiple conditions [#704](https://github.com/PHPOffice/PhpSpreadsheet/issues/704)
- Csv reader avoid notice when the file is empty [#743](https://github.com/PHPOffice/PhpSpreadsheet/pull/743)
- Fix print area parser for XLSX reader [#734](https://github.com/PHPOffice/PhpSpreadsheet/pull/734)
- Support overriding `DefaultValueBinder::dataTypeForValue()` without overriding `DefaultValueBinder::bindValue()` [#735](https://github.com/PHPOffice/PhpSpreadsheet/pull/735)
- Mpdf export can exceed pcre.backtrack_limit [#637](https://github.com/PHPOffice/PhpSpreadsheet/issues/637)
- Fix index overflow on data values array [#748](https://github.com/PHPOffice/PhpSpreadsheet/pull/748)
## 1.5.0 - 2018-10-21
### Added
- PHP 7.3 support
- Add the DAYS() function [#594](https://github.com/PHPOffice/PhpSpreadsheet/pull/594)
### Fixed
- Sheet title can contain exclamation mark [#325](https://github.com/PHPOffice/PhpSpreadsheet/issues/325)
- Xls file cause the exception during open by Xls reader [#402](https://github.com/PHPOffice/PhpSpreadsheet/issues/402)
- Skip non numeric value in SUMIF [#618](https://github.com/PHPOffice/PhpSpreadsheet/pull/618)
- OFFSET should allow omitted height and width [#561](https://github.com/PHPOffice/PhpSpreadsheet/issues/561)
- Correctly determine delimiter when CSV contains line breaks inside enclosures [#716](https://github.com/PHPOffice/PhpSpreadsheet/issues/716)
## 1.4.1 - 2018-09-30
### Fixed
- Remove locale from formatting string [#644](https://github.com/PHPOffice/PhpSpreadsheet/pull/644)
- Allow iterators to go out of bounds with prev [#587](https://github.com/PHPOffice/PhpSpreadsheet/issues/587)
- Fix warning when reading xlsx without styles [#631](https://github.com/PHPOffice/PhpSpreadsheet/pull/631)
- Fix broken sample links on windows due to $baseDir having backslash [#653](https://github.com/PHPOffice/PhpSpreadsheet/pull/653)
## 1.4.0 - 2018-08-06
### Added
- Add excel function EXACT(value1, value2) support [#595](https://github.com/PHPOffice/PhpSpreadsheet/pull/595)
- Support workbook view attributes for Xlsx format [#523](https://github.com/PHPOffice/PhpSpreadsheet/issues/523)
- Read and write hyperlink for drawing image [#490](https://github.com/PHPOffice/PhpSpreadsheet/pull/490)
- Added calculation engine support for the new bitwise functions that were added in MS Excel 2013
- BITAND() Returns a Bitwise 'And' of two numbers
- BITOR() Returns a Bitwise 'Or' of two number
- BITXOR() Returns a Bitwise 'Exclusive Or' of two numbers
- BITLSHIFT() Returns a number shifted left by a specified number of bits
- BITRSHIFT() Returns a number shifted right by a specified number of bits
- Added calculation engine support for other new functions that were added in MS Excel 2013 and MS Excel 2016
- Text Functions
- CONCAT() Synonym for CONCATENATE()
- NUMBERVALUE() Converts text to a number, in a locale-independent way
- UNICHAR() Synonym for CHAR() in PHPSpreadsheet, which has always used UTF-8 internally
- UNIORD() Synonym for ORD() in PHPSpreadsheet, which has always used UTF-8 internally
- TEXTJOIN() Joins together two or more text strings, separated by a delimiter
- Logical Functions
- XOR() Returns a logical Exclusive Or of all arguments
- Date/Time Functions
- ISOWEEKNUM() Returns the ISO 8601 week number of the year for a given date
- Lookup and Reference Functions
- FORMULATEXT() Returns a formula as a string
- Financial Functions
- PDURATION() Calculates the number of periods required for an investment to reach a specified value
- RRI() Calculates the interest rate required for an investment to grow to a specified future value
- Engineering Functions
- ERF.PRECISE() Returns the error function integrated between 0 and a supplied limit
- ERFC.PRECISE() Synonym for ERFC
- Math and Trig Functions
- SEC() Returns the secant of an angle
- SECH() Returns the hyperbolic secant of an angle
- CSC() Returns the cosecant of an angle
- CSCH() Returns the hyperbolic cosecant of an angle
- COT() Returns the cotangent of an angle
- COTH() Returns the hyperbolic cotangent of an angle
- ACOT() Returns the cotangent of an angle
- ACOTH() Returns the hyperbolic cotangent of an angle
- Refactored Complex Engineering Functions to use external complex number library
- Added calculation engine support for the new complex number functions that were added in MS Excel 2013
- IMCOSH() Returns the hyperbolic cosine of a complex number
- IMCOT() Returns the cotangent of a complex number
- IMCSC() Returns the cosecant of a complex number
- IMCSCH() Returns the hyperbolic cosecant of a complex number
- IMSEC() Returns the secant of a complex number
- IMSECH() Returns the hyperbolic secant of a complex number
- IMSINH() Returns the hyperbolic sine of a complex number
- IMTAN() Returns the tangent of a complex number
### Fixed
- Fix ISFORMULA() function to work with a cell reference to another worksheet
- Xlsx reader crashed when reading a file with workbook protection [#553](https://github.com/PHPOffice/PhpSpreadsheet/pull/553)
- Cell formats with escaped spaces were causing incorrect date formatting [#557](https://github.com/PHPOffice/PhpSpreadsheet/issues/557)
- Could not open CSV file containing HTML fragment [#564](https://github.com/PHPOffice/PhpSpreadsheet/issues/564)
- Exclude the vendor folder in migration [#481](https://github.com/PHPOffice/PhpSpreadsheet/issues/481)
- Chained operations on cell ranges involving borders operated on last cell only [#428](https://github.com/PHPOffice/PhpSpreadsheet/issues/428)
- Avoid memory exhaustion when cloning worksheet with a drawing [#437](https://github.com/PHPOffice/PhpSpreadsheet/issues/437)
- Migration tool keep variables containing $PHPExcel untouched [#598](https://github.com/PHPOffice/PhpSpreadsheet/issues/598)
- Rowspans/colspans were incorrect when adding worksheet using loadIntoExisting [#619](https://github.com/PHPOffice/PhpSpreadsheet/issues/619)
## 1.3.1 - 2018-06-12
### Fixed
- Ranges across Z and AA columns incorrectly threw an exception [#545](https://github.com/PHPOffice/PhpSpreadsheet/issues/545)
## 1.3.0 - 2018-06-10
### Added
- Support to read Xlsm templates with form elements, macros, printer settings, protected elements and back compatibility drawing, and save result without losing important elements of document [#435](https://github.com/PHPOffice/PhpSpreadsheet/issues/435)
- Expose sheet title maximum length as `Worksheet::SHEET_TITLE_MAXIMUM_LENGTH` [#482](https://github.com/PHPOffice/PhpSpreadsheet/issues/482)
- Allow escape character to be set in CSV reader [#492](https://github.com/PHPOffice/PhpSpreadsheet/issues/492)
### Fixed
- Subtotal 9 in a group that has other subtotals 9 exclude the totals of the other subtotals in the range [#332](https://github.com/PHPOffice/PhpSpreadsheet/issues/332)
- `Helper\Html` support UTF-8 HTML input [#444](https://github.com/PHPOffice/PhpSpreadsheet/issues/444)
- Xlsx loaded an extra empty comment for each real comment [#375](https://github.com/PHPOffice/PhpSpreadsheet/issues/375)
- Xlsx reader do not read rows and columns filtered out in readFilter at all [#370](https://github.com/PHPOffice/PhpSpreadsheet/issues/370)
- Make newer Excel versions properly recalculate formulas on document open [#456](https://github.com/PHPOffice/PhpSpreadsheet/issues/456)
- `Coordinate::extractAllCellReferencesInRange()` throws an exception for an invalid range [#519](https://github.com/PHPOffice/PhpSpreadsheet/issues/519)
- Fixed parsing of conditionals in COUNTIF functions [#526](https://github.com/PHPOffice/PhpSpreadsheet/issues/526)
- Corruption errors for saved Xlsx docs with frozen panes [#532](https://github.com/PHPOffice/PhpSpreadsheet/issues/532)
## 1.2.1 - 2018-04-10
### Fixed
- Plain text and richtext mixed in same cell can be read [#442](https://github.com/PHPOffice/PhpSpreadsheet/issues/442)
## 1.2.0 - 2018-03-04
### Added
- HTML writer creates a generator meta tag [#312](https://github.com/PHPOffice/PhpSpreadsheet/issues/312)
- Support invalid zoom value in XLSX format [#350](https://github.com/PHPOffice/PhpSpreadsheet/pull/350)
- Support for `_xlfn.` prefixed functions and `ISFORMULA`, `MODE.SNGL`, `STDEV.S`, `STDEV.P` [#390](https://github.com/PHPOffice/PhpSpreadsheet/pull/390)
### Fixed
- Avoid potentially unsupported PSR-16 cache keys [#354](https://github.com/PHPOffice/PhpSpreadsheet/issues/354)
- Check for MIME type to know if CSV reader can read a file [#167](https://github.com/PHPOffice/PhpSpreadsheet/issues/167)
- Use proper € symbol for currency format [#379](https://github.com/PHPOffice/PhpSpreadsheet/pull/379)
- Read printing area correctly when skipping some sheets [#371](https://github.com/PHPOffice/PhpSpreadsheet/issues/371)
- Avoid incorrectly overwriting calculated value type [#394](https://github.com/PHPOffice/PhpSpreadsheet/issues/394)
- Select correct cell when calling freezePane [#389](https://github.com/PHPOffice/PhpSpreadsheet/issues/389)
- `setStrikethrough()` did not set the font [#403](https://github.com/PHPOffice/PhpSpreadsheet/issues/403)
## 1.1.0 - 2018-01-28
### Added
- Support for PHP 7.2
- Support cell comments in HTML writer and reader [#308](https://github.com/PHPOffice/PhpSpreadsheet/issues/308)
- Option to stop at a conditional styling, if it matches (only XLSX format) [#292](https://github.com/PHPOffice/PhpSpreadsheet/pull/292)
- Support for line width for data series when rendering Xlsx [#329](https://github.com/PHPOffice/PhpSpreadsheet/pull/329)
### Fixed
- Better auto-detection of CSV separators [#305](https://github.com/PHPOffice/PhpSpreadsheet/issues/305)
- Support for shape style ending with `;` [#304](https://github.com/PHPOffice/PhpSpreadsheet/issues/304)
- Freeze Panes takes wrong coordinates for XLSX [#322](https://github.com/PHPOffice/PhpSpreadsheet/issues/322)
- `COLUMNS` and `ROWS` functions crashed in some cases [#336](https://github.com/PHPOffice/PhpSpreadsheet/issues/336)
- Support XML file without styles [#331](https://github.com/PHPOffice/PhpSpreadsheet/pull/331)
- Cell coordinates which are already a range cause an exception [#319](https://github.com/PHPOffice/PhpSpreadsheet/issues/319)
## 1.0.0 - 2017-12-25
### Added
- Support to write merged cells in ODS format [#287](https://github.com/PHPOffice/PhpSpreadsheet/issues/287)
- Able to set the `topLeftCell` in freeze panes [#261](https://github.com/PHPOffice/PhpSpreadsheet/pull/261)
- Support `DateTimeImmutable` as cell value
- Support migration of prefixed classes
### Fixed
- Can read very small HTML files [#194](https://github.com/PHPOffice/PhpSpreadsheet/issues/194)
- Written DataValidation was corrupted [#290](https://github.com/PHPOffice/PhpSpreadsheet/issues/290)
- Date format compatible with both LibreOffice and Excel [#298](https://github.com/PHPOffice/PhpSpreadsheet/issues/298)
### BREAKING CHANGE
- Constant `TYPE_DOUGHTNUTCHART` is now `TYPE_DOUGHNUTCHART`.
## 1.0.0-beta2 - 2017-11-26
### Added
- Support for chart fill color - @CrazyBite [#158](https://github.com/PHPOffice/PhpSpreadsheet/pull/158)
- Support for read Hyperlink for xml - @GreatHumorist [#223](https://github.com/PHPOffice/PhpSpreadsheet/pull/223)
- Support for cell value validation according to data validation rules - @SailorMax [#257](https://github.com/PHPOffice/PhpSpreadsheet/pull/257)
- Support for custom implementation, or configuration, of PDF libraries - @SailorMax [#266](https://github.com/PHPOffice/PhpSpreadsheet/pull/266)
### Changed
- Merge data-validations to reduce written worksheet size - @billblume [#131](https://github.com/PHPOffice/PhpSpreadSheet/issues/131)
- Throws exception if a XML file is invalid - @GreatHumorist [#222](https://github.com/PHPOffice/PhpSpreadsheet/pull/222)
- Upgrade to mPDF 7.0+ [#144](https://github.com/PHPOffice/PhpSpreadsheet/issues/144)
### Fixed
- Control characters in cell values are automatically escaped [#212](https://github.com/PHPOffice/PhpSpreadsheet/issues/212)
- Prevent color changing when copy/pasting xls files written by PhpSpreadsheet to another file - @al-lala [#218](https://github.com/PHPOffice/PhpSpreadsheet/issues/218)
- Add cell reference automatic when there is no cell reference('r' attribute) in Xlsx file. - @GreatHumorist [#225](https://github.com/PHPOffice/PhpSpreadsheet/pull/225) Refer to [#201](https://github.com/PHPOffice/PhpSpreadsheet/issues/201)
- `Reader\Xlsx::getFromZipArchive()` function return false if the zip entry could not be located. - @anton-harvey [#268](https://github.com/PHPOffice/PhpSpreadsheet/pull/268)
### BREAKING CHANGE
- Extracted coordinate method to dedicate class [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Column indexes are based on 1, see the [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Standardization of array keys used for style, see the [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Easier usage of PDF writers, and other custom readers and writers, see the [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Easier usage of chart renderers, see the [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Rename a few more classes to keep them in their related namespaces:
- `CalcEngine` => `Calculation\Engine`
- `PhpSpreadsheet\Calculation` => `PhpSpreadsheet\Calculation\Calculation`
- `PhpSpreadsheet\Cell` => `PhpSpreadsheet\Cell\Cell`
- `PhpSpreadsheet\Chart` => `PhpSpreadsheet\Chart\Chart`
- `PhpSpreadsheet\RichText` => `PhpSpreadsheet\RichText\RichText`
- `PhpSpreadsheet\Style` => `PhpSpreadsheet\Style\Style`
- `PhpSpreadsheet\Worksheet` => `PhpSpreadsheet\Worksheet\Worksheet`
## 1.0.0-beta - 2017-08-17
### Added
- Initial implementation of SUMIFS() function
- Additional codepages
- MemoryDrawing not working in HTML writer [#808](https://github.com/PHPOffice/PHPExcel/issues/808)
- CSV Reader can auto-detect the separator used in file [#141](https://github.com/PHPOffice/PhpSpreadsheet/pull/141)
- HTML Reader supports some basic inline styles [#180](https://github.com/PHPOffice/PhpSpreadsheet/pull/180)
### Changed
- Start following [SemVer](https://semver.org) properly.
### Fixed
- Fix to getCell() method when cell reference includes a worksheet reference - @MarkBaker
- Ignore inlineStr type if formula element exists - @ncrypthic [#570](https://github.com/PHPOffice/PHPExcel/issues/570)
- Excel 2007 Reader freezes because of conditional formatting - @rentalhost [#575](https://github.com/PHPOffice/PHPExcel/issues/575)
- Readers will now parse files containing worksheet titles over 31 characters [#176](https://github.com/PHPOffice/PhpSpreadsheet/pull/176)
- Fixed PHP8 deprecation warning for libxml_disable_entity_loader() [#1625](https://github.com/phpoffice/phpspreadsheet/pull/1625)
### General
- Whitespace after toRichTextObject() - @MarkBaker [#554](https://github.com/PHPOffice/PHPExcel/issues/554)
- Optimize vlookup() sort - @umpirsky [#548](https://github.com/PHPOffice/PHPExcel/issues/548)
- c:max and c:min elements shall NOT be inside c:orientation elements - @vitalyrepin [#869](https://github.com/PHPOffice/PHPExcel/pull/869)
- Implement actual timezone adjustment into PHPExcel_Shared_Date::PHPToExcel - @sim642 [#489](https://github.com/PHPOffice/PHPExcel/pull/489)
### BREAKING CHANGE
- Introduction of namespaces for all classes, eg: `PHPExcel_Calculation_Functions` becomes `PhpOffice\PhpSpreadsheet\Calculation\Functions`
- Some classes were renamed for clarity and/or consistency:
For a comprehensive list of all class changes, and a semi-automated migration path, read the [migration guide](./docs/topics/migration-from-PHPExcel.md).
- Dropped `PHPExcel_Calculation_Functions::VERSION()`. Composer or git should be used to know the version.
- Dropped `PHPExcel_Settings::setPdfRenderer()` and `PHPExcel_Settings::setPdfRenderer()`. Composer should be used to autoload PDF libs.
- Dropped support for HHVM
## Previous versions of PHPExcel
The changelog for the project when it was called PHPExcel is [still available](./CHANGELOG.PHPExcel.md).

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# Want to contribute?
If you would like to contribute, here are some notes and guidelines:
- All new development happens on feature/fix branches, and are then merged to the `master` branch once stable; so the `master` branch is always the most up-to-date, working code
- Tagged releases are made from the `master` branch
- If you are going to be submitting a pull request, please fork from `master`, and submit your pull request back as a fix/feature branch referencing the GitHub issue number
- Code style might be automatically fixed by `composer fix`
- All code changes must be validated by `composer check`
- [Helpful article about forking](https://help.github.com/articles/fork-a-repo/ "Forking a GitHub repository")
- [Helpful article about pull requests](https://help.github.com/articles/using-pull-requests/ "Pull Requests")
## How to release
1. Complete CHANGELOG.md and commit
2. Create an annotated tag
1. `git tag -a 1.2.3`
2. Tag subject must be the version number, eg: `1.2.3`
3. Tag body must be a copy-paste of the changelog entries
3. Push tag with `git push --tags`, GitHub Actions will create a GitHub release automatically

21
vendor/phpoffice/phpspreadsheet/LICENSE vendored Normal file
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MIT License
Copyright (c) 2019 PhpSpreadsheet Authors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# PhpSpreadsheet
[![Build Status](https://github.com/PHPOffice/PhpSpreadsheet/workflows/main/badge.svg)](https://github.com/PHPOffice/PhpSpreadsheet/actions)
[![Code Quality](https://scrutinizer-ci.com/g/PHPOffice/PhpSpreadsheet/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/PHPOffice/PhpSpreadsheet/?branch=master)
[![Code Coverage](https://scrutinizer-ci.com/g/PHPOffice/PhpSpreadsheet/badges/coverage.png?b=master)](https://scrutinizer-ci.com/g/PHPOffice/PhpSpreadsheet/?branch=master)
[![Total Downloads](https://img.shields.io/packagist/dt/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
[![Latest Stable Version](https://img.shields.io/github/v/release/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
[![License](https://img.shields.io/github/license/PHPOffice/PhpSpreadsheet)](https://packagist.org/packages/phpoffice/phpspreadsheet)
[![Join the chat at https://gitter.im/PHPOffice/PhpSpreadsheet](https://img.shields.io/badge/GITTER-join%20chat-green.svg)](https://gitter.im/PHPOffice/PhpSpreadsheet)
PhpSpreadsheet is a library written in pure PHP and offers a set of classes that
allow you to read and write various spreadsheet file formats such as Excel and LibreOffice Calc.
## Documentation
Read more about it, including install instructions, in the [official documentation](https://phpspreadsheet.readthedocs.io). Or check out the [API documentation](https://phpoffice.github.io/PhpSpreadsheet).
Please ask your support questions on [StackOverflow](https://stackoverflow.com/questions/tagged/phpspreadsheet), or have a quick chat on [Gitter](https://gitter.im/PHPOffice/PhpSpreadsheet).
## PHPExcel vs PhpSpreadsheet ?
PhpSpreadsheet is the next version of PHPExcel. It breaks compatibility to dramatically improve the code base quality (namespaces, PSR compliance, use of latest PHP language features, etc.).
Because all efforts have shifted to PhpSpreadsheet, PHPExcel will no longer be maintained. All contributions for PHPExcel, patches and new features, should target PhpSpreadsheet `master` branch.
Do you need to migrate? There is [an automated tool](/docs/topics/migration-from-PHPExcel.md) for that.
## License
PhpSpreadsheet is licensed under [MIT](https://github.com/PHPOffice/PhpSpreadsheet/blob/master/LICENSE).

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{
"name": "phpoffice/phpspreadsheet",
"description": "PHPSpreadsheet - Read, Create and Write Spreadsheet documents in PHP - Spreadsheet engine",
"keywords": [
"PHP",
"OpenXML",
"Excel",
"xlsx",
"xls",
"ods",
"gnumeric",
"spreadsheet"
],
"config": {
"sort-packages": true
},
"homepage": "https://github.com/PHPOffice/PhpSpreadsheet",
"type": "library",
"license": "MIT",
"authors": [
{
"name": "Maarten Balliauw",
"homepage": "https://blog.maartenballiauw.be"
},
{
"name": "Mark Baker",
"homepage": "https://markbakeruk.net"
},
{
"name": "Franck Lefevre",
"homepage": "https://rootslabs.net"
},
{
"name": "Erik Tilt"
},
{
"name": "Adrien Crivelli"
}
],
"scripts": {
"check": [
"php-cs-fixer fix --ansi --dry-run --diff",
"phpcs",
"phpunit --color=always",
"phpstan analyse --ansi"
],
"fix": [
"php-cs-fixer fix --ansi"
],
"versions": [
"phpcs --report-width=200 samples/ src/ tests/ --ignore=samples/Header.php --standard=PHPCompatibility --runtime-set testVersion 7.2- -n"
]
},
"require": {
"php": "^7.2 || ^8.0",
"ext-ctype": "*",
"ext-dom": "*",
"ext-fileinfo": "*",
"ext-gd": "*",
"ext-iconv": "*",
"ext-libxml": "*",
"ext-mbstring": "*",
"ext-simplexml": "*",
"ext-xml": "*",
"ext-xmlreader": "*",
"ext-xmlwriter": "*",
"ext-zip": "*",
"ext-zlib": "*",
"ezyang/htmlpurifier": "^4.13",
"maennchen/zipstream-php": "^2.1",
"markbaker/complex": "^3.0",
"markbaker/matrix": "^3.0",
"psr/http-client": "^1.0",
"psr/http-factory": "^1.0",
"psr/simple-cache": "^1.0"
},
"require-dev": {
"dealerdirect/phpcodesniffer-composer-installer": "dev-master",
"dompdf/dompdf": "^1.0",
"friendsofphp/php-cs-fixer": "^2.18",
"jpgraph/jpgraph": "^4.0",
"mpdf/mpdf": "^8.0",
"phpcompatibility/php-compatibility": "^9.3",
"phpstan/phpstan": "^0.12.82",
"phpstan/phpstan-phpunit": "^0.12.18",
"phpunit/phpunit": "^8.5",
"squizlabs/php_codesniffer": "^3.5",
"tecnickcom/tcpdf": "^6.3"
},
"suggest": {
"mpdf/mpdf": "Option for rendering PDF with PDF Writer",
"dompdf/dompdf": "Option for rendering PDF with PDF Writer (doesn't yet support PHP8)",
"tecnickcom/tcpdf": "Option for rendering PDF with PDF Writer (doesn't yet support PHP8)",
"jpgraph/jpgraph": "Option for rendering charts, or including charts with PDF or HTML Writers"
},
"autoload": {
"psr-4": {
"PhpOffice\\PhpSpreadsheet\\": "src/PhpSpreadsheet"
}
},
"autoload-dev": {
"psr-4": {
"PhpOffice\\PhpSpreadsheetTests\\": "tests/PhpSpreadsheetTests",
"PhpOffice\\PhpSpreadsheetInfra\\": "infra"
}
}
}

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includes:
- phpstan-baseline.neon
- vendor/phpstan/phpstan-phpunit/extension.neon
- vendor/phpstan/phpstan-phpunit/rules.neon
parameters:
level: max
paths:
- src/
- tests/
parallel:
processTimeout: 300.0
checkMissingIterableValueType: false
ignoreErrors:
- '~^Class GdImage not found\.$~'
- '~^Return typehint of method .* has invalid type GdImage\.$~'
- '~^Property .* has unknown class GdImage as its type\.$~'
- '~^Parameter .* of method .* has invalid typehint type GdImage\.$~'
- '~^Parameter \#1 \$im of function (imagedestroy|imageistruecolor|imagealphablending|imagesavealpha|imagecolortransparent|imagecolorsforindex|imagesavealpha|imagesx|imagesy) expects resource, GdImage\|resource given\.$~'
- '~^Parameter \#2 \$src_im of function imagecopy expects resource, GdImage\|resource given\.$~'
# Accept a bit anything for assert methods
- '~^Parameter \#2 .* of static method PHPUnit\\Framework\\Assert\:\:assert\w+\(\) expects .*, .* given\.$~'
- '~^Method PhpOffice\\PhpSpreadsheetTests\\.*\:\:test.*\(\) has parameter \$args with no typehint specified\.$~'
# Ignore all JpGraph issues
- '~^Constant (MARK_CIRCLE|MARK_CROSS|MARK_DIAMOND|MARK_DTRIANGLE|MARK_FILLEDCIRCLE|MARK_SQUARE|MARK_STAR|MARK_UTRIANGLE|MARK_X|SIDE_RIGHT) not found\.$~'
- '~^Instantiated class (AccBarPlot|AccLinePlot|BarPlot|ContourPlot|Graph|GroupBarPlot|GroupBarPlot|LinePlot|LinePlot|PieGraph|PiePlot|PiePlot3D|PiePlotC|RadarGraph|RadarPlot|ScatterPlot|Spline|StockPlot) not found\.$~'
- '~^Call to method .*\(\) on an unknown class (AccBarPlot|AccLinePlot|BarPlot|ContourPlot|Graph|GroupBarPlot|GroupBarPlot|LinePlot|LinePlot|PieGraph|PiePlot|PiePlot3D|PiePlotC|RadarGraph|RadarPlot|ScatterPlot|Spline|StockPlot)\.$~'
- '~^Access to property .* on an unknown class (AccBarPlot|AccLinePlot|BarPlot|ContourPlot|Graph|GroupBarPlot|GroupBarPlot|LinePlot|LinePlot|PieGraph|PiePlot|PiePlot3D|PiePlotC|RadarGraph|RadarPlot|ScatterPlot|Spline|StockPlot)\.$~'

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
abstract class Category
{
// Function categories
const CATEGORY_CUBE = 'Cube';
const CATEGORY_DATABASE = 'Database';
const CATEGORY_DATE_AND_TIME = 'Date and Time';
const CATEGORY_ENGINEERING = 'Engineering';
const CATEGORY_FINANCIAL = 'Financial';
const CATEGORY_INFORMATION = 'Information';
const CATEGORY_LOGICAL = 'Logical';
const CATEGORY_LOOKUP_AND_REFERENCE = 'Lookup and Reference';
const CATEGORY_MATH_AND_TRIG = 'Math and Trig';
const CATEGORY_STATISTICAL = 'Statistical';
const CATEGORY_TEXT_AND_DATA = 'Text and Data';
const CATEGORY_WEB = 'Web';
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
/**
* @deprecated 1.17.0
*/
class Database
{
/**
* DAVERAGE.
*
* Averages the values in a column of a list or database that match conditions you specify.
*
* Excel Function:
* DAVERAGE(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DAverage::evaluate()
* Use the evaluate() method in the Database\DAverage class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function DAVERAGE($database, $field, $criteria)
{
return Database\DAverage::evaluate($database, $field, $criteria);
}
/**
* DCOUNT.
*
* Counts the cells that contain numbers in a column of a list or database that match conditions
* that you specify.
*
* Excel Function:
* DCOUNT(database,[field],criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DCount::evaluate()
* Use the evaluate() method in the Database\DCount class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param null|int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return int
*
* @TODO The field argument is optional. If field is omitted, DCOUNT counts all records in the
* database that match the criteria.
*/
public static function DCOUNT($database, $field, $criteria)
{
return Database\DCount::evaluate($database, $field, $criteria);
}
/**
* DCOUNTA.
*
* Counts the nonblank cells in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DCOUNTA(database,[field],criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DCountA::evaluate()
* Use the evaluate() method in the Database\DCountA class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param null|int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return int
*/
public static function DCOUNTA($database, $field, $criteria)
{
return Database\DCountA::evaluate($database, $field, $criteria);
}
/**
* DGET.
*
* Extracts a single value from a column of a list or database that matches conditions that you
* specify.
*
* Excel Function:
* DGET(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DGet::evaluate()
* Use the evaluate() method in the Database\DGet class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return mixed
*/
public static function DGET($database, $field, $criteria)
{
return Database\DGet::evaluate($database, $field, $criteria);
}
/**
* DMAX.
*
* Returns the largest number in a column of a list or database that matches conditions you that
* specify.
*
* Excel Function:
* DMAX(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DMax::evaluate()
* Use the evaluate() method in the Database\DMax class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float
*/
public static function DMAX($database, $field, $criteria)
{
return Database\DMax::evaluate($database, $field, $criteria);
}
/**
* DMIN.
*
* Returns the smallest number in a column of a list or database that matches conditions you that
* specify.
*
* Excel Function:
* DMIN(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DMin::evaluate()
* Use the evaluate() method in the Database\DMin class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float
*/
public static function DMIN($database, $field, $criteria)
{
return Database\DMin::evaluate($database, $field, $criteria);
}
/**
* DPRODUCT.
*
* Multiplies the values in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DPRODUCT(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DProduct::evaluate()
* Use the evaluate() method in the Database\DProduct class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string
*/
public static function DPRODUCT($database, $field, $criteria)
{
return Database\DProduct::evaluate($database, $field, $criteria);
}
/**
* DSTDEV.
*
* Estimates the standard deviation of a population based on a sample by using the numbers in a
* column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSTDEV(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DStDev::evaluate()
* Use the evaluate() method in the Database\DStDev class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string
*/
public static function DSTDEV($database, $field, $criteria)
{
return Database\DStDev::evaluate($database, $field, $criteria);
}
/**
* DSTDEVP.
*
* Calculates the standard deviation of a population based on the entire population by using the
* numbers in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSTDEVP(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DStDevP::evaluate()
* Use the evaluate() method in the Database\DStDevP class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string
*/
public static function DSTDEVP($database, $field, $criteria)
{
return Database\DStDevP::evaluate($database, $field, $criteria);
}
/**
* DSUM.
*
* Adds the numbers in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSUM(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DSum::evaluate()
* Use the evaluate() method in the Database\DSum class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string
*/
public static function DSUM($database, $field, $criteria)
{
return Database\DSum::evaluate($database, $field, $criteria);
}
/**
* DVAR.
*
* Estimates the variance of a population based on a sample by using the numbers in a column
* of a list or database that match conditions that you specify.
*
* Excel Function:
* DVAR(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DVar::evaluate()
* Use the evaluate() method in the Database\DVar class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string (string if result is an error)
*/
public static function DVAR($database, $field, $criteria)
{
return Database\DVar::evaluate($database, $field, $criteria);
}
/**
* DVARP.
*
* Calculates the variance of a population based on the entire population by using the numbers
* in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DVARP(database,field,criteria)
*
* @Deprecated 1.17.0
*
* @see Database\DVarP::evaluate()
* Use the evaluate() method in the Database\DVarP class instead
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return float|string (string if result is an error)
*/
public static function DVARP($database, $field, $criteria)
{
return Database\DVarP::evaluate($database, $field, $criteria);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Averages;
class DAverage extends DatabaseAbstract
{
/**
* DAVERAGE.
*
* Averages the values in a column of a list or database that match conditions you specify.
*
* Excel Function:
* DAVERAGE(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return Averages::average(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Counts;
class DCount extends DatabaseAbstract
{
/**
* DCOUNT.
*
* Counts the cells that contain numbers in a column of a list or database that match conditions
* that you specify.
*
* Excel Function:
* DCOUNT(database,[field],criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param null|int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return int
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
return Counts::COUNT(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Counts;
class DCountA extends DatabaseAbstract
{
/**
* DCOUNTA.
*
* Counts the nonblank cells in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DCOUNTA(database,[field],criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return int
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
return Counts::COUNTA(
self::getFilteredColumn($database, $field ?? 0, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class DGet extends DatabaseAbstract
{
/**
* DGET.
*
* Extracts a single value from a column of a list or database that matches conditions that you
* specify.
*
* Excel Function:
* DGET(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return mixed
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
$columnData = self::getFilteredColumn($database, $field, $criteria);
if (count($columnData) > 1) {
return Functions::NAN();
}
$row = array_pop($columnData);
return array_pop($row);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Maximum;
class DMax extends DatabaseAbstract
{
/**
* DMAX.
*
* Returns the largest number in a column of a list or database that matches conditions you that
* specify.
*
* Excel Function:
* DMAX(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return Maximum::max(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Minimum;
class DMin extends DatabaseAbstract
{
/**
* DMIN.
*
* Returns the smallest number in a column of a list or database that matches conditions you that
* specify.
*
* Excel Function:
* DMIN(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return Minimum::min(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
class DProduct extends DatabaseAbstract
{
/**
* DPRODUCT.
*
* Multiplies the values in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DPRODUCT(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return MathTrig\Operations::product(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\StandardDeviations;
class DStDev extends DatabaseAbstract
{
/**
* DSTDEV.
*
* Estimates the standard deviation of a population based on a sample by using the numbers in a
* column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSTDEV(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return StandardDeviations::STDEV(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\StandardDeviations;
class DStDevP extends DatabaseAbstract
{
/**
* DSTDEVP.
*
* Calculates the standard deviation of a population based on the entire population by using the
* numbers in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSTDEVP(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return StandardDeviations::STDEVP(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\MathTrig;
class DSum extends DatabaseAbstract
{
/**
* DSUM.
*
* Adds the numbers in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DSUM(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return MathTrig\Sum::sumIgnoringStrings(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances;
class DVar extends DatabaseAbstract
{
/**
* DVAR.
*
* Estimates the variance of a population based on a sample by using the numbers in a column
* of a list or database that match conditions that you specify.
*
* Excel Function:
* DVAR(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string (string if result is an error)
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return Variances::VAR(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Statistical\Variances;
class DVarP extends DatabaseAbstract
{
/**
* DVARP.
*
* Calculates the variance of a population based on the entire population by using the numbers
* in a column of a list or database that match conditions that you specify.
*
* Excel Function:
* DVARP(database,field,criteria)
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param int|string $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return null|float|string (string if result is an error)
*/
public static function evaluate($database, $field, $criteria)
{
$field = self::fieldExtract($database, $field);
if ($field === null) {
return null;
}
return Variances::VARP(
self::getFilteredColumn($database, $field, $criteria)
);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Database;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Internal\WildcardMatch;
abstract class DatabaseAbstract
{
abstract public static function evaluate($database, $field, $criteria);
/**
* fieldExtract.
*
* Extracts the column ID to use for the data field.
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param mixed $field Indicates which column is used in the function. Enter the
* column label enclosed between double quotation marks, such as
* "Age" or "Yield," or a number (without quotation marks) that
* represents the position of the column within the list: 1 for
* the first column, 2 for the second column, and so on.
*/
protected static function fieldExtract(array $database, $field): ?int
{
$field = strtoupper(Functions::flattenSingleValue($field ?? ''));
if ($field === '') {
return null;
}
$fieldNames = array_map('strtoupper', array_shift($database));
if (is_numeric($field)) {
return ((int) $field) - 1;
}
$key = array_search($field, array_values($fieldNames), true);
return ($key !== false) ? (int) $key : null;
}
/**
* filter.
*
* Parses the selection criteria, extracts the database rows that match those criteria, and
* returns that subset of rows.
*
* @param mixed[] $database The range of cells that makes up the list or database.
* A database is a list of related data in which rows of related
* information are records, and columns of data are fields. The
* first row of the list contains labels for each column.
* @param mixed[] $criteria The range of cells that contains the conditions you specify.
* You can use any range for the criteria argument, as long as it
* includes at least one column label and at least one cell below
* the column label in which you specify a condition for the
* column.
*
* @return mixed[]
*/
protected static function filter(array $database, array $criteria): array
{
$fieldNames = array_shift($database);
$criteriaNames = array_shift($criteria);
// Convert the criteria into a set of AND/OR conditions with [:placeholders]
$query = self::buildQuery($criteriaNames, $criteria);
// Loop through each row of the database
return self::executeQuery($database, $query, $criteriaNames, $fieldNames);
}
protected static function getFilteredColumn(array $database, ?int $field, array $criteria): array
{
// reduce the database to a set of rows that match all the criteria
$database = self::filter($database, $criteria);
$defaultReturnColumnValue = ($field === null) ? 1 : null;
// extract an array of values for the requested column
$columnData = [];
foreach ($database as $rowKey => $row) {
$keys = array_keys($row);
$key = $keys[$field] ?? null;
$columnKey = $key ?? 'A';
$columnData[$rowKey][$columnKey] = $row[$key] ?? $defaultReturnColumnValue;
}
return $columnData;
}
private static function buildQuery(array $criteriaNames, array $criteria): string
{
$baseQuery = [];
foreach ($criteria as $key => $criterion) {
foreach ($criterion as $field => $value) {
$criterionName = $criteriaNames[$field];
if ($value !== null) {
$condition = self::buildCondition($value, $criterionName);
$baseQuery[$key][] = $condition;
}
}
}
$rowQuery = array_map(
function ($rowValue) {
return (count($rowValue) > 1) ? 'AND(' . implode(',', $rowValue) . ')' : ($rowValue[0] ?? '');
},
$baseQuery
);
return (count($rowQuery) > 1) ? 'OR(' . implode(',', $rowQuery) . ')' : ($rowQuery[0] ?? '');
}
private static function buildCondition($criterion, string $criterionName): string
{
$ifCondition = Functions::ifCondition($criterion);
// Check for wildcard characters used in the condition
$result = preg_match('/(?<operator>[^"]*)(?<operand>".*[*?].*")/ui', $ifCondition, $matches);
if ($result !== 1) {
return "[:{$criterionName}]{$ifCondition}";
}
$trueFalse = ($matches['operator'] !== '<>');
$wildcard = WildcardMatch::wildcard($matches['operand']);
$condition = "WILDCARDMATCH([:{$criterionName}],{$wildcard})";
if ($trueFalse === false) {
$condition = "NOT({$condition})";
}
return $condition;
}
private static function executeQuery(array $database, string $query, array $criteria, array $fields): array
{
foreach ($database as $dataRow => $dataValues) {
// Substitute actual values from the database row for our [:placeholders]
$conditions = $query;
foreach ($criteria as $criterion) {
$conditions = self::processCondition($criterion, $fields, $dataValues, $conditions);
}
// evaluate the criteria against the row data
$result = Calculation::getInstance()->_calculateFormulaValue('=' . $conditions);
// If the row failed to meet the criteria, remove it from the database
if ($result !== true) {
unset($database[$dataRow]);
}
}
return $database;
}
private static function processCondition(string $criterion, array $fields, array $dataValues, string $conditions)
{
$key = array_search($criterion, $fields, true);
$dataValue = 'NULL';
if (is_bool($dataValues[$key])) {
$dataValue = ($dataValues[$key]) ? 'TRUE' : 'FALSE';
} elseif ($dataValues[$key] !== null) {
$dataValue = $dataValues[$key];
// escape quotes if we have a string containing quotes
if (is_string($dataValue) && strpos($dataValue, '"') !== false) {
$dataValue = str_replace('"', '""', $dataValue);
}
$dataValue = (is_string($dataValue)) ? Calculation::wrapResult(strtoupper($dataValue)) : $dataValue;
}
return str_replace('[:' . $criterion . ']', $dataValue, $conditions);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use DateTimeInterface;
/**
* @deprecated 1.18.0
*/
class DateTime
{
/**
* Identify if a year is a leap year or not.
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Helpers::isLeapYear()
* Use the isLeapYear method in the DateTimeExcel\Helpers class instead
*
* @param int|string $year The year to test
*
* @return bool TRUE if the year is a leap year, otherwise FALSE
*/
public static function isLeapYear($year)
{
return DateTimeExcel\Helpers::isLeapYear($year);
}
/**
* getDateValue.
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Helpers::getDateValue()
* Use the getDateValue method in the DateTimeExcel\Helpers class instead
*
* @param mixed $dateValue
*
* @return mixed Excel date/time serial value, or string if error
*/
public static function getDateValue($dateValue)
{
try {
return DateTimeExcel\Helpers::getDateValue($dateValue);
} catch (Exception $e) {
return $e->getMessage();
}
}
/**
* DATETIMENOW.
*
* Returns the current date and time.
* The NOW function is useful when you need to display the current date and time on a worksheet or
* calculate a value based on the current date and time, and have that value updated each time you
* open the worksheet.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* and time format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* NOW()
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Current::now()
* Use the now method in the DateTimeExcel\Current class instead
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function DATETIMENOW()
{
return DateTimeExcel\Current::now();
}
/**
* DATENOW.
*
* Returns the current date.
* The NOW function is useful when you need to display the current date and time on a worksheet or
* calculate a value based on the current date and time, and have that value updated each time you
* open the worksheet.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* and time format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TODAY()
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Current::today()
* Use the today method in the DateTimeExcel\Current class instead
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function DATENOW()
{
return DateTimeExcel\Current::today();
}
/**
* DATE.
*
* The DATE function returns a value that represents a particular date.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
*
* Excel Function:
* DATE(year,month,day)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Date::fromYMD()
* Use the fromYMD method in the DateTimeExcel\Date class instead
*
* PhpSpreadsheet is a lot more forgiving than MS Excel when passing non numeric values to this function.
* A Month name or abbreviation (English only at this point) such as 'January' or 'Jan' will still be accepted,
* as will a day value with a suffix (e.g. '21st' rather than simply 21); again only English language.
*
* @param int $year The value of the year argument can include one to four digits.
* Excel interprets the year argument according to the configured
* date system: 1900 or 1904.
* If year is between 0 (zero) and 1899 (inclusive), Excel adds that
* value to 1900 to calculate the year. For example, DATE(108,1,2)
* returns January 2, 2008 (1900+108).
* If year is between 1900 and 9999 (inclusive), Excel uses that
* value as the year. For example, DATE(2008,1,2) returns January 2,
* 2008.
* If year is less than 0 or is 10000 or greater, Excel returns the
* #NUM! error value.
* @param int $month A positive or negative integer representing the month of the year
* from 1 to 12 (January to December).
* If month is greater than 12, month adds that number of months to
* the first month in the year specified. For example, DATE(2008,14,2)
* returns the serial number representing February 2, 2009.
* If month is less than 1, month subtracts the magnitude of that
* number of months, plus 1, from the first month in the year
* specified. For example, DATE(2008,-3,2) returns the serial number
* representing September 2, 2007.
* @param int $day A positive or negative integer representing the day of the month
* from 1 to 31.
* If day is greater than the number of days in the month specified,
* day adds that number of days to the first day in the month. For
* example, DATE(2008,1,35) returns the serial number representing
* February 4, 2008.
* If day is less than 1, day subtracts the magnitude that number of
* days, plus one, from the first day of the month specified. For
* example, DATE(2008,1,-15) returns the serial number representing
* December 16, 2007.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function DATE($year = 0, $month = 1, $day = 1)
{
return DateTimeExcel\Date::fromYMD($year, $month, $day);
}
/**
* TIME.
*
* The TIME function returns a value that represents a particular time.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the time
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TIME(hour,minute,second)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Time::fromHMS()
* Use the fromHMS method in the DateTimeExcel\Time class instead
*
* @param int $hour A number from 0 (zero) to 32767 representing the hour.
* Any value greater than 23 will be divided by 24 and the remainder
* will be treated as the hour value. For example, TIME(27,0,0) =
* TIME(3,0,0) = .125 or 3:00 AM.
* @param int $minute A number from 0 to 32767 representing the minute.
* Any value greater than 59 will be converted to hours and minutes.
* For example, TIME(0,750,0) = TIME(12,30,0) = .520833 or 12:30 PM.
* @param int $second A number from 0 to 32767 representing the second.
* Any value greater than 59 will be converted to hours, minutes,
* and seconds. For example, TIME(0,0,2000) = TIME(0,33,22) = .023148
* or 12:33:20 AM
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function TIME($hour = 0, $minute = 0, $second = 0)
{
return DateTimeExcel\Time::fromHMS($hour, $minute, $second);
}
/**
* DATEVALUE.
*
* Returns a value that represents a particular date.
* Use DATEVALUE to convert a date represented by a text string to an Excel or PHP date/time stamp
* value.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* DATEVALUE(dateValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\DateValue::fromString()
* Use the fromString method in the DateTimeExcel\DateValue class instead
*
* @param string $dateValue Text that represents a date in a Microsoft Excel date format.
* For example, "1/30/2008" or "30-Jan-2008" are text strings within
* quotation marks that represent dates. Using the default date
* system in Excel for Windows, date_text must represent a date from
* January 1, 1900, to December 31, 9999. Using the default date
* system in Excel for the Macintosh, date_text must represent a date
* from January 1, 1904, to December 31, 9999. DATEVALUE returns the
* #VALUE! error value if date_text is out of this range.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function DATEVALUE($dateValue)
{
return DateTimeExcel\DateValue::fromString($dateValue);
}
/**
* TIMEVALUE.
*
* Returns a value that represents a particular time.
* Use TIMEVALUE to convert a time represented by a text string to an Excel or PHP date/time stamp
* value.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the time
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TIMEVALUE(timeValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\TimeValue::fromString()
* Use the fromString method in the DateTimeExcel\TimeValue class instead
*
* @param string $timeValue A text string that represents a time in any one of the Microsoft
* Excel time formats; for example, "6:45 PM" and "18:45" text strings
* within quotation marks that represent time.
* Date information in time_text is ignored.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function TIMEVALUE($timeValue)
{
return DateTimeExcel\TimeValue::fromString($timeValue);
}
/**
* DATEDIF.
*
* Excel Function:
* DATEDIF(startdate, enddate, unit)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Difference::interval()
* Use the interval method in the DateTimeExcel\Difference class instead
*
* @param mixed $startDate Excel date serial value, PHP date/time stamp, PHP DateTime object
* or a standard date string
* @param mixed $endDate Excel date serial value, PHP date/time stamp, PHP DateTime object
* or a standard date string
* @param string $unit
*
* @return int|string Interval between the dates
*/
public static function DATEDIF($startDate = 0, $endDate = 0, $unit = 'D')
{
return DateTimeExcel\Difference::interval($startDate, $endDate, $unit);
}
/**
* DAYS.
*
* Returns the number of days between two dates
*
* Excel Function:
* DAYS(endDate, startDate)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Days::between()
* Use the between method in the DateTimeExcel\Days class instead
*
* @param DateTimeInterface|float|int|string $endDate Excel date serial value (float),
* PHP date timestamp (integer), PHP DateTime object, or a standard date string
* @param DateTimeInterface|float|int|string $startDate Excel date serial value (float),
* PHP date timestamp (integer), PHP DateTime object, or a standard date string
*
* @return int|string Number of days between start date and end date or an error
*/
public static function DAYS($endDate = 0, $startDate = 0)
{
return DateTimeExcel\Days::between($endDate, $startDate);
}
/**
* DAYS360.
*
* Returns the number of days between two dates based on a 360-day year (twelve 30-day months),
* which is used in some accounting calculations. Use this function to help compute payments if
* your accounting system is based on twelve 30-day months.
*
* Excel Function:
* DAYS360(startDate,endDate[,method])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Days360::between()
* Use the between method in the DateTimeExcel\Days360 class instead
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param bool $method US or European Method
* FALSE or omitted: U.S. (NASD) method. If the starting date is
* the last day of a month, it becomes equal to the 30th of the
* same month. If the ending date is the last day of a month and
* the starting date is earlier than the 30th of a month, the
* ending date becomes equal to the 1st of the next month;
* otherwise the ending date becomes equal to the 30th of the
* same month.
* TRUE: European method. Starting dates and ending dates that
* occur on the 31st of a month become equal to the 30th of the
* same month.
*
* @return int|string Number of days between start date and end date
*/
public static function DAYS360($startDate = 0, $endDate = 0, $method = false)
{
return DateTimeExcel\Days360::between($startDate, $endDate, $method);
}
/**
* YEARFRAC.
*
* Calculates the fraction of the year represented by the number of whole days between two dates
* (the start_date and the end_date).
* Use the YEARFRAC worksheet function to identify the proportion of a whole year's benefits or
* obligations to assign to a specific term.
*
* Excel Function:
* YEARFRAC(startDate,endDate[,method])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\YearFrac::fraction()
* Use the fraction method in the DateTimeExcel\YearFrac class instead
*
* See https://lists.oasis-open.org/archives/office-formula/200806/msg00039.html
* for description of algorithm used in Excel
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $method Method used for the calculation
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string fraction of the year, or a string containing an error
*/
public static function YEARFRAC($startDate = 0, $endDate = 0, $method = 0)
{
return DateTimeExcel\YearFrac::fraction($startDate, $endDate, $method);
}
/**
* NETWORKDAYS.
*
* Returns the number of whole working days between start_date and end_date. Working days
* exclude weekends and any dates identified in holidays.
* Use NETWORKDAYS to calculate employee benefits that accrue based on the number of days
* worked during a specific term.
*
* Excel Function:
* NETWORKDAYS(startDate,endDate[,holidays[,holiday[,...]]])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\NetworkDays::count()
* Use the count method in the DateTimeExcel\NetworkDays class instead
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $dateArgs
*
* @return int|string Interval between the dates
*/
public static function NETWORKDAYS($startDate, $endDate, ...$dateArgs)
{
return DateTimeExcel\NetworkDays::count($startDate, $endDate, ...$dateArgs);
}
/**
* WORKDAY.
*
* Returns the date that is the indicated number of working days before or after a date (the
* starting date). Working days exclude weekends and any dates identified as holidays.
* Use WORKDAY to exclude weekends or holidays when you calculate invoice due dates, expected
* delivery times, or the number of days of work performed.
*
* Excel Function:
* WORKDAY(startDate,endDays[,holidays[,holiday[,...]]])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\WorkDay::date()
* Use the date method in the DateTimeExcel\WorkDay class instead
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $endDays The number of nonweekend and nonholiday days before or after
* startDate. A positive value for days yields a future date; a
* negative value yields a past date.
* @param mixed $dateArgs
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function WORKDAY($startDate, $endDays, ...$dateArgs)
{
return DateTimeExcel\WorkDay::date($startDate, $endDays, ...$dateArgs);
}
/**
* DAYOFMONTH.
*
* Returns the day of the month, for a specified date. The day is given as an integer
* ranging from 1 to 31.
*
* Excel Function:
* DAY(dateValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\DateParts::day()
* Use the day method in the DateTimeExcel\DateParts class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Day of the month
*/
public static function DAYOFMONTH($dateValue = 1)
{
return DateTimeExcel\DateParts::day($dateValue);
}
/**
* WEEKDAY.
*
* Returns the day of the week for a specified date. The day is given as an integer
* ranging from 0 to 7 (dependent on the requested style).
*
* Excel Function:
* WEEKDAY(dateValue[,style])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Week::day()
* Use the day method in the DateTimeExcel\Week class instead
*
* @param float|int|string $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $style A number that determines the type of return value
* 1 or omitted Numbers 1 (Sunday) through 7 (Saturday).
* 2 Numbers 1 (Monday) through 7 (Sunday).
* 3 Numbers 0 (Monday) through 6 (Sunday).
*
* @return int|string Day of the week value
*/
public static function WEEKDAY($dateValue = 1, $style = 1)
{
return DateTimeExcel\Week::day($dateValue, $style);
}
/**
* STARTWEEK_SUNDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_SUNDAY instead
*/
const STARTWEEK_SUNDAY = 1;
/**
* STARTWEEK_MONDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_MONDAY instead
*/
const STARTWEEK_MONDAY = 2;
/**
* STARTWEEK_MONDAY_ALT.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_MONDAY_ALT instead
*/
const STARTWEEK_MONDAY_ALT = 11;
/**
* STARTWEEK_TUESDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_TUESDAY instead
*/
const STARTWEEK_TUESDAY = 12;
/**
* STARTWEEK_WEDNESDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_WEDNESDAY instead
*/
const STARTWEEK_WEDNESDAY = 13;
/**
* STARTWEEK_THURSDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_THURSDAY instead
*/
const STARTWEEK_THURSDAY = 14;
/**
* STARTWEEK_FRIDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_FRIDAY instead
*/
const STARTWEEK_FRIDAY = 15;
/**
* STARTWEEK_SATURDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_SATURDAY instead
*/
const STARTWEEK_SATURDAY = 16;
/**
* STARTWEEK_SUNDAY_ALT.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_SUNDAY_ALT instead
*/
const STARTWEEK_SUNDAY_ALT = 17;
/**
* DOW_SUNDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_SUNDAY instead
*/
const DOW_SUNDAY = 1;
/**
* DOW_MONDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_MONDAY instead
*/
const DOW_MONDAY = 2;
/**
* DOW_TUESDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_TUESDAY instead
*/
const DOW_TUESDAY = 3;
/**
* DOW_WEDNESDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_WEDNESDAY instead
*/
const DOW_WEDNESDAY = 4;
/**
* DOW_THURSDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_THURSDAY instead
*/
const DOW_THURSDAY = 5;
/**
* DOW_FRIDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_FRIDAY instead
*/
const DOW_FRIDAY = 6;
/**
* DOW_SATURDAY.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\DOW_SATURDAY instead
*/
const DOW_SATURDAY = 7;
/**
* STARTWEEK_MONDAY_ISO.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\STARTWEEK_MONDAY_ISO instead
*/
const STARTWEEK_MONDAY_ISO = 21;
/**
* METHODARR.
*
* @Deprecated 1.18.0
*
* @see Use DateTimeExcel\Constants\METHODARR instead
*/
const METHODARR = [
self::STARTWEEK_SUNDAY => self::DOW_SUNDAY,
self::DOW_MONDAY,
self::STARTWEEK_MONDAY_ALT => self::DOW_MONDAY,
self::DOW_TUESDAY,
self::DOW_WEDNESDAY,
self::DOW_THURSDAY,
self::DOW_FRIDAY,
self::DOW_SATURDAY,
self::DOW_SUNDAY,
self::STARTWEEK_MONDAY_ISO => self::STARTWEEK_MONDAY_ISO,
];
/**
* WEEKNUM.
*
* Returns the week of the year for a specified date.
* The WEEKNUM function considers the week containing January 1 to be the first week of the year.
* However, there is a European standard that defines the first week as the one with the majority
* of days (four or more) falling in the new year. This means that for years in which there are
* three days or less in the first week of January, the WEEKNUM function returns week numbers
* that are incorrect according to the European standard.
*
* Excel Function:
* WEEKNUM(dateValue[,style])
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Week::number(()
* Use the number method in the DateTimeExcel\Week class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $method Week begins on Sunday or Monday
* 1 or omitted Week begins on Sunday.
* 2 Week begins on Monday.
* 11 Week begins on Monday.
* 12 Week begins on Tuesday.
* 13 Week begins on Wednesday.
* 14 Week begins on Thursday.
* 15 Week begins on Friday.
* 16 Week begins on Saturday.
* 17 Week begins on Sunday.
* 21 ISO (Jan. 4 is week 1, begins on Monday).
*
* @return int|string Week Number
*/
public static function WEEKNUM($dateValue = 1, $method = self::STARTWEEK_SUNDAY)
{
return DateTimeExcel\Week::number($dateValue, $method);
}
/**
* ISOWEEKNUM.
*
* Returns the ISO 8601 week number of the year for a specified date.
*
* Excel Function:
* ISOWEEKNUM(dateValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Week::isoWeekNumber()
* Use the isoWeekNumber method in the DateTimeExcel\Week class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Week Number
*/
public static function ISOWEEKNUM($dateValue = 1)
{
return DateTimeExcel\Week::isoWeekNumber($dateValue);
}
/**
* MONTHOFYEAR.
*
* Returns the month of a date represented by a serial number.
* The month is given as an integer, ranging from 1 (January) to 12 (December).
*
* Excel Function:
* MONTH(dateValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\DateParts::month()
* Use the month method in the DateTimeExcel\DateParts class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Month of the year
*/
public static function MONTHOFYEAR($dateValue = 1)
{
return DateTimeExcel\DateParts::month($dateValue);
}
/**
* YEAR.
*
* Returns the year corresponding to a date.
* The year is returned as an integer in the range 1900-9999.
*
* Excel Function:
* YEAR(dateValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\DateParts::year()
* Use the ear method in the DateTimeExcel\DateParts class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Year
*/
public static function YEAR($dateValue = 1)
{
return DateTimeExcel\DateParts::year($dateValue);
}
/**
* HOUROFDAY.
*
* Returns the hour of a time value.
* The hour is given as an integer, ranging from 0 (12:00 A.M.) to 23 (11:00 P.M.).
*
* Excel Function:
* HOUR(timeValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\TimeParts::hour()
* Use the hour method in the DateTimeExcel\TimeParts class instead
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Hour
*/
public static function HOUROFDAY($timeValue = 0)
{
return DateTimeExcel\TimeParts::hour($timeValue);
}
/**
* MINUTE.
*
* Returns the minutes of a time value.
* The minute is given as an integer, ranging from 0 to 59.
*
* Excel Function:
* MINUTE(timeValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\TimeParts::minute()
* Use the minute method in the DateTimeExcel\TimeParts class instead
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Minute
*/
public static function MINUTE($timeValue = 0)
{
return DateTimeExcel\TimeParts::minute($timeValue);
}
/**
* SECOND.
*
* Returns the seconds of a time value.
* The second is given as an integer in the range 0 (zero) to 59.
*
* Excel Function:
* SECOND(timeValue)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\TimeParts::second()
* Use the second method in the DateTimeExcel\TimeParts class instead
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Second
*/
public static function SECOND($timeValue = 0)
{
return DateTimeExcel\TimeParts::second($timeValue);
}
/**
* EDATE.
*
* Returns the serial number that represents the date that is the indicated number of months
* before or after a specified date (the start_date).
* Use EDATE to calculate maturity dates or due dates that fall on the same day of the month
* as the date of issue.
*
* Excel Function:
* EDATE(dateValue,adjustmentMonths)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Month::adjust()
* Use the adjust method in the DateTimeExcel\Edate class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $adjustmentMonths The number of months before or after start_date.
* A positive value for months yields a future date;
* a negative value yields a past date.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function EDATE($dateValue = 1, $adjustmentMonths = 0)
{
return DateTimeExcel\Month::adjust($dateValue, $adjustmentMonths);
}
/**
* EOMONTH.
*
* Returns the date value for the last day of the month that is the indicated number of months
* before or after start_date.
* Use EOMONTH to calculate maturity dates or due dates that fall on the last day of the month.
*
* Excel Function:
* EOMONTH(dateValue,adjustmentMonths)
*
* @Deprecated 1.18.0
*
* @See DateTimeExcel\Month::lastDay()
* Use the lastDay method in the DateTimeExcel\EoMonth class instead
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $adjustmentMonths The number of months before or after start_date.
* A positive value for months yields a future date;
* a negative value yields a past date.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function EOMONTH($dateValue = 1, $adjustmentMonths = 0)
{
return DateTimeExcel\Month::lastDay($dateValue, $adjustmentMonths);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
class Constants
{
// Constants currently used by WeekNum; will eventually be used by WEEKDAY
const STARTWEEK_SUNDAY = 1;
const STARTWEEK_MONDAY = 2;
const STARTWEEK_MONDAY_ALT = 11;
const STARTWEEK_TUESDAY = 12;
const STARTWEEK_WEDNESDAY = 13;
const STARTWEEK_THURSDAY = 14;
const STARTWEEK_FRIDAY = 15;
const STARTWEEK_SATURDAY = 16;
const STARTWEEK_SUNDAY_ALT = 17;
const DOW_SUNDAY = 1;
const DOW_MONDAY = 2;
const DOW_TUESDAY = 3;
const DOW_WEDNESDAY = 4;
const DOW_THURSDAY = 5;
const DOW_FRIDAY = 6;
const DOW_SATURDAY = 7;
const STARTWEEK_MONDAY_ISO = 21;
const METHODARR = [
self::STARTWEEK_SUNDAY => self::DOW_SUNDAY,
self::DOW_MONDAY,
self::STARTWEEK_MONDAY_ALT => self::DOW_MONDAY,
self::DOW_TUESDAY,
self::DOW_WEDNESDAY,
self::DOW_THURSDAY,
self::DOW_FRIDAY,
self::DOW_SATURDAY,
self::DOW_SUNDAY,
self::STARTWEEK_MONDAY_ISO => self::STARTWEEK_MONDAY_ISO,
];
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTimeImmutable;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Current
{
/**
* DATENOW.
*
* Returns the current date.
* The NOW function is useful when you need to display the current date and time on a worksheet or
* calculate a value based on the current date and time, and have that value updated each time you
* open the worksheet.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* and time format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TODAY()
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function today()
{
$dti = new DateTimeImmutable();
$dateArray = date_parse($dti->format('c'));
return is_array($dateArray) ? Helpers::returnIn3FormatsArray($dateArray, true) : Functions::VALUE();
}
/**
* DATETIMENOW.
*
* Returns the current date and time.
* The NOW function is useful when you need to display the current date and time on a worksheet or
* calculate a value based on the current date and time, and have that value updated each time you
* open the worksheet.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* and time format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* NOW()
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function now()
{
$dti = new DateTimeImmutable();
$dateArray = date_parse($dti->format('c'));
return is_array($dateArray) ? Helpers::returnIn3FormatsArray($dateArray) : Functions::VALUE();
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
class Date
{
/**
* DATE.
*
* The DATE function returns a value that represents a particular date.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* DATE(year,month,day)
*
* PhpSpreadsheet is a lot more forgiving than MS Excel when passing non numeric values to this function.
* A Month name or abbreviation (English only at this point) such as 'January' or 'Jan' will still be accepted,
* as will a day value with a suffix (e.g. '21st' rather than simply 21); again only English language.
*
* @param int $year The value of the year argument can include one to four digits.
* Excel interprets the year argument according to the configured
* date system: 1900 or 1904.
* If year is between 0 (zero) and 1899 (inclusive), Excel adds that
* value to 1900 to calculate the year. For example, DATE(108,1,2)
* returns January 2, 2008 (1900+108).
* If year is between 1900 and 9999 (inclusive), Excel uses that
* value as the year. For example, DATE(2008,1,2) returns January 2,
* 2008.
* If year is less than 0 or is 10000 or greater, Excel returns the
* #NUM! error value.
* @param int $month A positive or negative integer representing the month of the year
* from 1 to 12 (January to December).
* If month is greater than 12, month adds that number of months to
* the first month in the year specified. For example, DATE(2008,14,2)
* returns the serial number representing February 2, 2009.
* If month is less than 1, month subtracts the magnitude of that
* number of months, plus 1, from the first month in the year
* specified. For example, DATE(2008,-3,2) returns the serial number
* representing September 2, 2007.
* @param int $day A positive or negative integer representing the day of the month
* from 1 to 31.
* If day is greater than the number of days in the month specified,
* day adds that number of days to the first day in the month. For
* example, DATE(2008,1,35) returns the serial number representing
* February 4, 2008.
* If day is less than 1, day subtracts the magnitude that number of
* days, plus one, from the first day of the month specified. For
* example, DATE(2008,1,-15) returns the serial number representing
* December 16, 2007.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function fromYMD($year, $month, $day)
{
$baseYear = SharedDateHelper::getExcelCalendar();
try {
$year = self::getYear($year, $baseYear);
$month = self::getMonth($month);
$day = self::getDay($day);
self::adjustYearMonth($year, $month, $baseYear);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$excelDateValue = SharedDateHelper::formattedPHPToExcel($year, $month, $day);
return Helpers::returnIn3FormatsFloat($excelDateValue);
}
/**
* Convert year from multiple formats to int.
*
* @param mixed $year
*/
private static function getYear($year, int $baseYear): int
{
$year = Functions::flattenSingleValue($year);
$year = ($year !== null) ? StringHelper::testStringAsNumeric((string) $year) : 0;
if (!is_numeric($year)) {
throw new Exception(Functions::VALUE());
}
$year = (int) $year;
if ($year < ($baseYear - 1900)) {
throw new Exception(Functions::NAN());
}
if ((($baseYear - 1900) !== 0) && ($year < $baseYear) && ($year >= 1900)) {
throw new Exception(Functions::NAN());
}
if (($year < $baseYear) && ($year >= ($baseYear - 1900))) {
$year += 1900;
}
return (int) $year;
}
/**
* Convert month from multiple formats to int.
*
* @param mixed $month
*/
private static function getMonth($month): int
{
$month = Functions::flattenSingleValue($month);
if (($month !== null) && (!is_numeric($month))) {
$month = SharedDateHelper::monthStringToNumber($month);
}
$month = ($month !== null) ? StringHelper::testStringAsNumeric((string) $month) : 0;
if (!is_numeric($month)) {
throw new Exception(Functions::VALUE());
}
return (int) $month;
}
/**
* Convert day from multiple formats to int.
*
* @param mixed $day
*/
private static function getDay($day): int
{
$day = Functions::flattenSingleValue($day);
if (($day !== null) && (!is_numeric($day))) {
$day = SharedDateHelper::dayStringToNumber($day);
}
$day = ($day !== null) ? StringHelper::testStringAsNumeric((string) $day) : 0;
if (!is_numeric($day)) {
throw new Exception(Functions::VALUE());
}
return (int) $day;
}
private static function adjustYearMonth(int &$year, int &$month, int $baseYear): void
{
if ($month < 1) {
// Handle year/month adjustment if month < 1
--$month;
$year += ceil($month / 12) - 1;
$month = 13 - abs($month % 12);
} elseif ($month > 12) {
// Handle year/month adjustment if month > 12
$year += floor($month / 12);
$month = ($month % 12);
}
// Re-validate the year parameter after adjustments
if (($year < $baseYear) || ($year >= 10000)) {
throw new Exception(Functions::NAN());
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class DateParts
{
/**
* DAYOFMONTH.
*
* Returns the day of the month, for a specified date. The day is given as an integer
* ranging from 1 to 31.
*
* Excel Function:
* DAY(dateValue)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Day of the month
*/
public static function day($dateValue)
{
$weirdResult = self::weirdCondition($dateValue);
if ($weirdResult >= 0) {
return $weirdResult;
}
try {
$dateValue = Helpers::getDateValue($dateValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
return (int) $PHPDateObject->format('j');
}
/**
* MONTHOFYEAR.
*
* Returns the month of a date represented by a serial number.
* The month is given as an integer, ranging from 1 (January) to 12 (December).
*
* Excel Function:
* MONTH(dateValue)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Month of the year
*/
public static function month($dateValue)
{
try {
$dateValue = Helpers::getDateValue($dateValue);
} catch (Exception $e) {
return $e->getMessage();
}
if ($dateValue < 1 && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900) {
return 1;
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
return (int) $PHPDateObject->format('n');
}
/**
* YEAR.
*
* Returns the year corresponding to a date.
* The year is returned as an integer in the range 1900-9999.
*
* Excel Function:
* YEAR(dateValue)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Year
*/
public static function year($dateValue)
{
try {
$dateValue = Helpers::getDateValue($dateValue);
} catch (Exception $e) {
return $e->getMessage();
}
if ($dateValue < 1 && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900) {
return 1900;
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
return (int) $PHPDateObject->format('Y');
}
/**
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*/
private static function weirdCondition($dateValue): int
{
// Excel does not treat 0 consistently for DAY vs. (MONTH or YEAR)
if (SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900 && Functions::getCompatibilityMode() == Functions::COMPATIBILITY_EXCEL) {
if (is_bool($dateValue)) {
return (int) $dateValue;
}
if ($dateValue === null) {
return 0;
}
if (is_numeric($dateValue) && $dateValue < 1 && $dateValue >= 0) {
return 0;
}
}
return -1;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTimeImmutable;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class DateValue
{
/**
* DATEVALUE.
*
* Returns a value that represents a particular date.
* Use DATEVALUE to convert a date represented by a text string to an Excel or PHP date/time stamp
* value.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the date
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* DATEVALUE(dateValue)
*
* @param string $dateValue Text that represents a date in a Microsoft Excel date format.
* For example, "1/30/2008" or "30-Jan-2008" are text strings within
* quotation marks that represent dates. Using the default date
* system in Excel for Windows, date_text must represent a date from
* January 1, 1900, to December 31, 9999. Using the default date
* system in Excel for the Macintosh, date_text must represent a date
* from January 1, 1904, to December 31, 9999. DATEVALUE returns the
* #VALUE! error value if date_text is out of this range.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function fromString($dateValue)
{
$dti = new DateTimeImmutable();
$baseYear = SharedDateHelper::getExcelCalendar();
$dateValue = trim(Functions::flattenSingleValue($dateValue ?? ''), '"');
// Strip any ordinals because they're allowed in Excel (English only)
$dateValue = preg_replace('/(\d)(st|nd|rd|th)([ -\/])/Ui', '$1$3', $dateValue) ?? '';
// Convert separators (/ . or space) to hyphens (should also handle dot used for ordinals in some countries, e.g. Denmark, Germany)
$dateValue = str_replace(['/', '.', '-', ' '], ' ', $dateValue);
$yearFound = false;
$t1 = explode(' ', $dateValue);
$t = '';
foreach ($t1 as &$t) {
if ((is_numeric($t)) && ($t > 31)) {
if ($yearFound) {
return Functions::VALUE();
}
if ($t < 100) {
$t += 1900;
}
$yearFound = true;
}
}
if (count($t1) === 1) {
// We've been fed a time value without any date
return ((strpos((string) $t, ':') === false)) ? Functions::Value() : 0.0;
}
unset($t);
$dateValue = self::t1ToString($t1, $dti, $yearFound);
$PHPDateArray = self::setUpArray($dateValue, $dti);
return self::finalResults($PHPDateArray, $dti, $baseYear);
}
private static function t1ToString(array $t1, DateTimeImmutable $dti, bool $yearFound): string
{
if (count($t1) == 2) {
// We only have two parts of the date: either day/month or month/year
if ($yearFound) {
array_unshift($t1, 1);
} else {
if (is_numeric($t1[1]) && $t1[1] > 29) {
$t1[1] += 1900;
array_unshift($t1, 1);
} else {
$t1[] = $dti->format('Y');
}
}
}
$dateValue = implode(' ', $t1);
return $dateValue;
}
/**
* Parse date.
*
* @return array|bool
*/
private static function setUpArray(string $dateValue, DateTimeImmutable $dti)
{
$PHPDateArray = date_parse($dateValue);
if (($PHPDateArray === false) || ($PHPDateArray['error_count'] > 0)) {
// If original count was 1, we've already returned.
// If it was 2, we added another.
// Therefore, neither of the first 2 stroks below can fail.
$testVal1 = strtok($dateValue, '- ');
$testVal2 = strtok('- ');
$testVal3 = strtok('- ') ?: $dti->format('Y');
Helpers::adjustYear((string) $testVal1, (string) $testVal2, $testVal3);
$PHPDateArray = date_parse($testVal1 . '-' . $testVal2 . '-' . $testVal3);
if (($PHPDateArray === false) || ($PHPDateArray['error_count'] > 0)) {
$PHPDateArray = date_parse($testVal2 . '-' . $testVal1 . '-' . $testVal3);
}
}
return $PHPDateArray;
}
/**
* Final results.
*
* @param array|bool $PHPDateArray
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
private static function finalResults($PHPDateArray, DateTimeImmutable $dti, int $baseYear)
{
$retValue = Functions::Value();
if (is_array($PHPDateArray) && $PHPDateArray['error_count'] == 0) {
// Execute function
Helpers::replaceIfEmpty($PHPDateArray['year'], $dti->format('Y'));
if ($PHPDateArray['year'] < $baseYear) {
return Functions::VALUE();
}
Helpers::replaceIfEmpty($PHPDateArray['month'], $dti->format('m'));
Helpers::replaceIfEmpty($PHPDateArray['day'], $dti->format('d'));
$PHPDateArray['hour'] = 0;
$PHPDateArray['minute'] = 0;
$PHPDateArray['second'] = 0;
$month = (int) $PHPDateArray['month'];
$day = (int) $PHPDateArray['day'];
$year = (int) $PHPDateArray['year'];
if (!checkdate($month, $day, $year)) {
return ($year === 1900 && $month === 2 && $day === 29) ? Helpers::returnIn3FormatsFloat(60.0) : Functions::VALUE();
}
$retValue = Helpers::returnIn3FormatsArray($PHPDateArray, true);
}
return $retValue;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTimeInterface;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Days
{
/**
* DAYS.
*
* Returns the number of days between two dates
*
* Excel Function:
* DAYS(endDate, startDate)
*
* @param DateTimeInterface|float|int|string $endDate Excel date serial value (float),
* PHP date timestamp (integer), PHP DateTime object, or a standard date string
* @param DateTimeInterface|float|int|string $startDate Excel date serial value (float),
* PHP date timestamp (integer), PHP DateTime object, or a standard date string
*
* @return int|string Number of days between start date and end date or an error
*/
public static function between($endDate, $startDate)
{
try {
$startDate = Helpers::getDateValue($startDate);
$endDate = Helpers::getDateValue($endDate);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPStartDateObject = SharedDateHelper::excelToDateTimeObject($startDate);
$PHPEndDateObject = SharedDateHelper::excelToDateTimeObject($endDate);
$days = Functions::VALUE();
$diff = $PHPStartDateObject->diff($PHPEndDateObject);
if ($diff !== false && !is_bool($diff->days)) {
$days = $diff->days;
if ($diff->invert) {
$days = -$days;
}
}
return $days;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Days360
{
/**
* DAYS360.
*
* Returns the number of days between two dates based on a 360-day year (twelve 30-day months),
* which is used in some accounting calculations. Use this function to help compute payments if
* your accounting system is based on twelve 30-day months.
*
* Excel Function:
* DAYS360(startDate,endDate[,method])
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $method US or European Method as a bool
* FALSE or omitted: U.S. (NASD) method. If the starting date is
* the last day of a month, it becomes equal to the 30th of the
* same month. If the ending date is the last day of a month and
* the starting date is earlier than the 30th of a month, the
* ending date becomes equal to the 1st of the next month;
* otherwise the ending date becomes equal to the 30th of the
* same month.
* TRUE: European method. Starting dates and ending dates that
* occur on the 31st of a month become equal to the 30th of the
* same month.
*
* @return int|string Number of days between start date and end date
*/
public static function between($startDate = 0, $endDate = 0, $method = false)
{
try {
$startDate = Helpers::getDateValue($startDate);
$endDate = Helpers::getDateValue($endDate);
} catch (Exception $e) {
return $e->getMessage();
}
if (!is_bool($method)) {
return Functions::VALUE();
}
// Execute function
$PHPStartDateObject = SharedDateHelper::excelToDateTimeObject($startDate);
$startDay = $PHPStartDateObject->format('j');
$startMonth = $PHPStartDateObject->format('n');
$startYear = $PHPStartDateObject->format('Y');
$PHPEndDateObject = SharedDateHelper::excelToDateTimeObject($endDate);
$endDay = $PHPEndDateObject->format('j');
$endMonth = $PHPEndDateObject->format('n');
$endYear = $PHPEndDateObject->format('Y');
return self::dateDiff360((int) $startDay, (int) $startMonth, (int) $startYear, (int) $endDay, (int) $endMonth, (int) $endYear, !$method);
}
/**
* Return the number of days between two dates based on a 360 day calendar.
*/
private static function dateDiff360(int $startDay, int $startMonth, int $startYear, int $endDay, int $endMonth, int $endYear, bool $methodUS): int
{
$startDay = self::getStartDay($startDay, $startMonth, $startYear, $methodUS);
$endDay = self::getEndDay($endDay, $endMonth, $endYear, $startDay, $methodUS);
return $endDay + $endMonth * 30 + $endYear * 360 - $startDay - $startMonth * 30 - $startYear * 360;
}
private static function getStartDay(int $startDay, int $startMonth, int $startYear, bool $methodUS): int
{
if ($startDay == 31) {
--$startDay;
} elseif ($methodUS && ($startMonth == 2 && ($startDay == 29 || ($startDay == 28 && !Helpers::isLeapYear($startYear))))) {
$startDay = 30;
}
return $startDay;
}
private static function getEndDay(int $endDay, int &$endMonth, int &$endYear, int $startDay, bool $methodUS): int
{
if ($endDay == 31) {
if ($methodUS && $startDay != 30) {
$endDay = 1;
if ($endMonth == 12) {
++$endYear;
$endMonth = 1;
} else {
++$endMonth;
}
} else {
$endDay = 30;
}
}
return $endDay;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateInterval;
use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Difference
{
/**
* DATEDIF.
*
* @param mixed $startDate Excel date serial value, PHP date/time stamp, PHP DateTime object
* or a standard date string
* @param mixed $endDate Excel date serial value, PHP date/time stamp, PHP DateTime object
* or a standard date string
* @param string $unit
*
* @return int|string Interval between the dates
*/
public static function interval($startDate, $endDate, $unit = 'D')
{
try {
$startDate = Helpers::getDateValue($startDate);
$endDate = Helpers::getDateValue($endDate);
$difference = self::initialDiff($startDate, $endDate);
$unit = strtoupper(Functions::flattenSingleValue($unit));
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPStartDateObject = SharedDateHelper::excelToDateTimeObject($startDate);
$startDays = (int) $PHPStartDateObject->format('j');
$startMonths = (int) $PHPStartDateObject->format('n');
$startYears = (int) $PHPStartDateObject->format('Y');
$PHPEndDateObject = SharedDateHelper::excelToDateTimeObject($endDate);
$endDays = (int) $PHPEndDateObject->format('j');
$endMonths = (int) $PHPEndDateObject->format('n');
$endYears = (int) $PHPEndDateObject->format('Y');
$PHPDiffDateObject = $PHPEndDateObject->diff($PHPStartDateObject);
$retVal = false;
$retVal = self::replaceRetValue($retVal, $unit, 'D') ?? self::datedifD($difference);
$retVal = self::replaceRetValue($retVal, $unit, 'M') ?? self::datedifM($PHPDiffDateObject);
$retVal = self::replaceRetValue($retVal, $unit, 'MD') ?? self::datedifMD($startDays, $endDays, $PHPEndDateObject, $PHPDiffDateObject);
$retVal = self::replaceRetValue($retVal, $unit, 'Y') ?? self::datedifY($PHPDiffDateObject);
$retVal = self::replaceRetValue($retVal, $unit, 'YD') ?? self::datedifYD($difference, $startYears, $endYears, $PHPStartDateObject, $PHPEndDateObject);
$retVal = self::replaceRetValue($retVal, $unit, 'YM') ?? self::datedifYM($PHPDiffDateObject);
return is_bool($retVal) ? Functions::VALUE() : $retVal;
}
private static function initialDiff(float $startDate, float $endDate): float
{
// Validate parameters
if ($startDate > $endDate) {
throw new Exception(Functions::NAN());
}
return $endDate - $startDate;
}
/**
* Decide whether it's time to set retVal.
*
* @param bool|int $retVal
*
* @return null|bool|int
*/
private static function replaceRetValue($retVal, string $unit, string $compare)
{
if ($retVal !== false || $unit !== $compare) {
return $retVal;
}
return null;
}
private static function datedifD(float $difference): int
{
return (int) $difference;
}
private static function datedifM(DateInterval $PHPDiffDateObject): int
{
return 12 * (int) $PHPDiffDateObject->format('%y') + (int) $PHPDiffDateObject->format('%m');
}
private static function datedifMD(int $startDays, int $endDays, DateTime $PHPEndDateObject, DateInterval $PHPDiffDateObject): int
{
if ($endDays < $startDays) {
$retVal = $endDays;
$PHPEndDateObject->modify('-' . $endDays . ' days');
$adjustDays = (int) $PHPEndDateObject->format('j');
$retVal += ($adjustDays - $startDays);
} else {
$retVal = (int) $PHPDiffDateObject->format('%d');
}
return $retVal;
}
private static function datedifY(DateInterval $PHPDiffDateObject): int
{
return (int) $PHPDiffDateObject->format('%y');
}
private static function datedifYD(float $difference, int $startYears, int $endYears, DateTime $PHPStartDateObject, DateTime $PHPEndDateObject): int
{
$retVal = (int) $difference;
if ($endYears > $startYears) {
$isLeapStartYear = $PHPStartDateObject->format('L');
$wasLeapEndYear = $PHPEndDateObject->format('L');
// Adjust end year to be as close as possible as start year
while ($PHPEndDateObject >= $PHPStartDateObject) {
$PHPEndDateObject->modify('-1 year');
$endYears = $PHPEndDateObject->format('Y');
}
$PHPEndDateObject->modify('+1 year');
// Get the result
$retVal = $PHPEndDateObject->diff($PHPStartDateObject)->days;
// Adjust for leap years cases
$isLeapEndYear = $PHPEndDateObject->format('L');
$limit = new DateTime($PHPEndDateObject->format('Y-02-29'));
if (!$isLeapStartYear && !$wasLeapEndYear && $isLeapEndYear && $PHPEndDateObject >= $limit) {
--$retVal;
}
}
return (int) $retVal;
}
private static function datedifYM(DateInterval $PHPDiffDateObject): int
{
return (int) $PHPDiffDateObject->format('%m');
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Helpers
{
/**
* Identify if a year is a leap year or not.
*
* @param int|string $year The year to test
*
* @return bool TRUE if the year is a leap year, otherwise FALSE
*/
public static function isLeapYear($year): bool
{
return (($year % 4) === 0) && (($year % 100) !== 0) || (($year % 400) === 0);
}
/**
* getDateValue.
*
* @param mixed $dateValue
*
* @return float Excel date/time serial value
*/
public static function getDateValue($dateValue, bool $allowBool = true): float
{
if (is_object($dateValue)) {
$retval = SharedDateHelper::PHPToExcel($dateValue);
if (is_bool($retval)) {
throw new Exception(Functions::VALUE());
}
return $retval;
}
self::nullFalseTrueToNumber($dateValue, $allowBool);
if (!is_numeric($dateValue)) {
$saveReturnDateType = Functions::getReturnDateType();
Functions::setReturnDateType(Functions::RETURNDATE_EXCEL);
$dateValue = DateValue::fromString($dateValue);
Functions::setReturnDateType($saveReturnDateType);
if (!is_numeric($dateValue)) {
throw new Exception(Functions::VALUE());
}
}
if ($dateValue < 0 && Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE) {
throw new Exception(Functions::NAN());
}
return (float) $dateValue;
}
/**
* getTimeValue.
*
* @param string $timeValue
*
* @return mixed Excel date/time serial value, or string if error
*/
public static function getTimeValue($timeValue)
{
$saveReturnDateType = Functions::getReturnDateType();
Functions::setReturnDateType(Functions::RETURNDATE_EXCEL);
$timeValue = TimeValue::fromString($timeValue);
Functions::setReturnDateType($saveReturnDateType);
return $timeValue;
}
/**
* Adjust date by given months.
*
* @param mixed $dateValue
*/
public static function adjustDateByMonths($dateValue = 0, float $adjustmentMonths = 0): DateTime
{
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
$oMonth = (int) $PHPDateObject->format('m');
$oYear = (int) $PHPDateObject->format('Y');
$adjustmentMonthsString = (string) $adjustmentMonths;
if ($adjustmentMonths > 0) {
$adjustmentMonthsString = '+' . $adjustmentMonths;
}
if ($adjustmentMonths != 0) {
$PHPDateObject->modify($adjustmentMonthsString . ' months');
}
$nMonth = (int) $PHPDateObject->format('m');
$nYear = (int) $PHPDateObject->format('Y');
$monthDiff = ($nMonth - $oMonth) + (($nYear - $oYear) * 12);
if ($monthDiff != $adjustmentMonths) {
$adjustDays = (int) $PHPDateObject->format('d');
$adjustDaysString = '-' . $adjustDays . ' days';
$PHPDateObject->modify($adjustDaysString);
}
return $PHPDateObject;
}
/**
* Help reduce perceived complexity of some tests.
*
* @param mixed $value
* @param mixed $altValue
*/
public static function replaceIfEmpty(&$value, $altValue): void
{
$value = $value ?: $altValue;
}
/**
* Adjust year in ambiguous situations.
*/
public static function adjustYear(string $testVal1, string $testVal2, string &$testVal3): void
{
if (!is_numeric($testVal1) || $testVal1 < 31) {
if (!is_numeric($testVal2) || $testVal2 < 12) {
if (is_numeric($testVal3) && $testVal3 < 12) {
$testVal3 += 2000;
}
}
}
}
/**
* Return result in one of three formats.
*
* @return mixed
*/
public static function returnIn3FormatsArray(array $dateArray, bool $noFrac = false)
{
$retType = Functions::getReturnDateType();
if ($retType === Functions::RETURNDATE_PHP_DATETIME_OBJECT) {
return new DateTime(
$dateArray['year']
. '-' . $dateArray['month']
. '-' . $dateArray['day']
. ' ' . $dateArray['hour']
. ':' . $dateArray['minute']
. ':' . $dateArray['second']
);
}
$excelDateValue =
SharedDateHelper::formattedPHPToExcel(
$dateArray['year'],
$dateArray['month'],
$dateArray['day'],
$dateArray['hour'],
$dateArray['minute'],
$dateArray['second']
);
if ($retType === Functions::RETURNDATE_EXCEL) {
return $noFrac ? floor($excelDateValue) : (float) $excelDateValue;
}
// RETURNDATE_UNIX_TIMESTAMP)
return (int) SharedDateHelper::excelToTimestamp($excelDateValue);
}
/**
* Return result in one of three formats.
*
* @return mixed
*/
public static function returnIn3FormatsFloat(float $excelDateValue)
{
$retType = Functions::getReturnDateType();
if ($retType === Functions::RETURNDATE_EXCEL) {
return $excelDateValue;
}
if ($retType === Functions::RETURNDATE_UNIX_TIMESTAMP) {
return (int) SharedDateHelper::excelToTimestamp($excelDateValue);
}
// RETURNDATE_PHP_DATETIME_OBJECT
return SharedDateHelper::excelToDateTimeObject($excelDateValue);
}
/**
* Return result in one of three formats.
*
* @return mixed
*/
public static function returnIn3FormatsObject(DateTime $PHPDateObject)
{
$retType = Functions::getReturnDateType();
if ($retType === Functions::RETURNDATE_PHP_DATETIME_OBJECT) {
return $PHPDateObject;
}
if ($retType === Functions::RETURNDATE_EXCEL) {
return (float) SharedDateHelper::PHPToExcel($PHPDateObject);
}
// RETURNDATE_UNIX_TIMESTAMP
$stamp = SharedDateHelper::PHPToExcel($PHPDateObject);
$stamp = is_bool($stamp) ? ((int) $stamp) : $stamp;
return (int) SharedDateHelper::excelToTimestamp($stamp);
}
private static function baseDate(): int
{
if (Functions::getCompatibilityMode() === Functions::COMPATIBILITY_OPENOFFICE) {
return 0;
}
if (SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_MAC_1904) {
return 0;
}
return 1;
}
/**
* Many functions accept null/false/true argument treated as 0/0/1.
*
* @param mixed $number
*/
public static function nullFalseTrueToNumber(&$number, bool $allowBool = true): void
{
$number = Functions::flattenSingleValue($number);
$nullVal = self::baseDate();
if ($number === null) {
$number = $nullVal;
} elseif ($allowBool && is_bool($number)) {
$number = $nullVal + (int) $number;
}
}
/**
* Many functions accept null argument treated as 0.
*
* @param mixed $number
*
* @return float|int
*/
public static function validateNumericNull($number)
{
$number = Functions::flattenSingleValue($number);
if ($number === null) {
return 0;
}
if (is_int($number)) {
return $number;
}
if (is_numeric($number)) {
return (float) $number;
}
throw new Exception(Functions::VALUE());
}
/**
* Many functions accept null/false/true argument treated as 0/0/1.
*
* @param mixed $number
*
* @return float
*/
public static function validateNotNegative($number)
{
if (!is_numeric($number)) {
throw new Exception(Functions::VALUE());
}
if ($number >= 0) {
return (float) $number;
}
throw new Exception(Functions::NAN());
}
public static function silly1900(DateTime $PHPDateObject, string $mod = '-1 day'): void
{
$isoDate = $PHPDateObject->format('c');
if ($isoDate < '1900-03-01') {
$PHPDateObject->modify($mod);
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
class Month
{
/**
* EDATE.
*
* Returns the serial number that represents the date that is the indicated number of months
* before or after a specified date (the start_date).
* Use EDATE to calculate maturity dates or due dates that fall on the same day of the month
* as the date of issue.
*
* Excel Function:
* EDATE(dateValue,adjustmentMonths)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $adjustmentMonths The number of months before or after start_date.
* A positive value for months yields a future date;
* a negative value yields a past date.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function adjust($dateValue, $adjustmentMonths)
{
try {
$dateValue = Helpers::getDateValue($dateValue, false);
$adjustmentMonths = Helpers::validateNumericNull($adjustmentMonths);
} catch (Exception $e) {
return $e->getMessage();
}
$adjustmentMonths = floor($adjustmentMonths);
// Execute function
$PHPDateObject = Helpers::adjustDateByMonths($dateValue, $adjustmentMonths);
return Helpers::returnIn3FormatsObject($PHPDateObject);
}
/**
* EOMONTH.
*
* Returns the date value for the last day of the month that is the indicated number of months
* before or after start_date.
* Use EOMONTH to calculate maturity dates or due dates that fall on the last day of the month.
*
* Excel Function:
* EOMONTH(dateValue,adjustmentMonths)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $adjustmentMonths The number of months before or after start_date.
* A positive value for months yields a future date;
* a negative value yields a past date.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function lastDay($dateValue, $adjustmentMonths)
{
try {
$dateValue = Helpers::getDateValue($dateValue, false);
$adjustmentMonths = Helpers::validateNumericNull($adjustmentMonths);
} catch (Exception $e) {
return $e->getMessage();
}
$adjustmentMonths = floor($adjustmentMonths);
// Execute function
$PHPDateObject = Helpers::adjustDateByMonths($dateValue, $adjustmentMonths + 1);
$adjustDays = (int) $PHPDateObject->format('d');
$adjustDaysString = '-' . $adjustDays . ' days';
$PHPDateObject->modify($adjustDaysString);
return Helpers::returnIn3FormatsObject($PHPDateObject);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class NetworkDays
{
/**
* NETWORKDAYS.
*
* Returns the number of whole working days between start_date and end_date. Working days
* exclude weekends and any dates identified in holidays.
* Use NETWORKDAYS to calculate employee benefits that accrue based on the number of days
* worked during a specific term.
*
* Excel Function:
* NETWORKDAYS(startDate,endDate[,holidays[,holiday[,...]]])
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $dateArgs
*
* @return int|string Interval between the dates
*/
public static function count($startDate, $endDate, ...$dateArgs)
{
try {
// Retrieve the mandatory start and end date that are referenced in the function definition
$sDate = Helpers::getDateValue($startDate);
$eDate = Helpers::getDateValue($endDate);
$startDate = min($sDate, $eDate);
$endDate = max($sDate, $eDate);
// Get the optional days
$dateArgs = Functions::flattenArray($dateArgs);
// Test any extra holiday parameters
$holidayArray = [];
foreach ($dateArgs as $holidayDate) {
$holidayArray[] = Helpers::getDateValue($holidayDate);
}
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$startDow = self::calcStartDow($startDate);
$endDow = self::calcEndDow($endDate);
$wholeWeekDays = (int) floor(($endDate - $startDate) / 7) * 5;
$partWeekDays = self::calcPartWeekDays($startDow, $endDow);
// Test any extra holiday parameters
$holidayCountedArray = [];
foreach ($holidayArray as $holidayDate) {
if (($holidayDate >= $startDate) && ($holidayDate <= $endDate)) {
if ((Week::day($holidayDate, 2) < 6) && (!in_array($holidayDate, $holidayCountedArray))) {
--$partWeekDays;
$holidayCountedArray[] = $holidayDate;
}
}
}
return self::applySign($wholeWeekDays + $partWeekDays, $sDate, $eDate);
}
private static function calcStartDow(float $startDate): int
{
$startDow = 6 - (int) Week::day($startDate, 2);
if ($startDow < 0) {
$startDow = 5;
}
return $startDow;
}
private static function calcEndDow(float $endDate): int
{
$endDow = (int) Week::day($endDate, 2);
if ($endDow >= 6) {
$endDow = 0;
}
return $endDow;
}
private static function calcPartWeekDays(int $startDow, int $endDow): int
{
$partWeekDays = $endDow + $startDow;
if ($partWeekDays > 5) {
$partWeekDays -= 5;
}
return $partWeekDays;
}
private static function applySign(int $result, float $sDate, float $eDate): int
{
return ($sDate > $eDate) ? -$result : $result;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Time
{
/**
* TIME.
*
* The TIME function returns a value that represents a particular time.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the time
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TIME(hour,minute,second)
*
* @param mixed $hour A number from 0 (zero) to 32767 representing the hour.
* Any value greater than 23 will be divided by 24 and the remainder
* will be treated as the hour value. For example, TIME(27,0,0) =
* TIME(3,0,0) = .125 or 3:00 AM.
* @param mixed $minute A number from 0 to 32767 representing the minute.
* Any value greater than 59 will be converted to hours and minutes.
* For example, TIME(0,750,0) = TIME(12,30,0) = .520833 or 12:30 PM.
* @param mixed $second A number from 0 to 32767 representing the second.
* Any value greater than 59 will be converted to hours, minutes,
* and seconds. For example, TIME(0,0,2000) = TIME(0,33,22) = .023148
* or 12:33:20 AM
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function fromHMS($hour, $minute, $second)
{
try {
$hour = self::toIntWithNullBool($hour);
$minute = self::toIntWithNullBool($minute);
$second = self::toIntWithNullBool($second);
} catch (Exception $e) {
return $e->getMessage();
}
self::adjustSecond($second, $minute);
self::adjustMinute($minute, $hour);
if ($hour > 23) {
$hour = $hour % 24;
} elseif ($hour < 0) {
return Functions::NAN();
}
// Execute function
$retType = Functions::getReturnDateType();
if ($retType === Functions::RETURNDATE_EXCEL) {
$calendar = SharedDateHelper::getExcelCalendar();
$date = (int) ($calendar !== SharedDateHelper::CALENDAR_WINDOWS_1900);
return (float) SharedDateHelper::formattedPHPToExcel($calendar, 1, $date, $hour, $minute, $second);
}
if ($retType === Functions::RETURNDATE_UNIX_TIMESTAMP) {
return (int) SharedDateHelper::excelToTimestamp(SharedDateHelper::formattedPHPToExcel(1970, 1, 1, $hour, $minute, $second)); // -2147468400; // -2147472000 + 3600
}
// RETURNDATE_PHP_DATETIME_OBJECT
// Hour has already been normalized (0-23) above
$phpDateObject = new DateTime('1900-01-01 ' . $hour . ':' . $minute . ':' . $second);
return $phpDateObject;
}
private static function adjustSecond(int &$second, int &$minute): void
{
if ($second < 0) {
$minute += floor($second / 60);
$second = 60 - abs($second % 60);
if ($second == 60) {
$second = 0;
}
} elseif ($second >= 60) {
$minute += floor($second / 60);
$second = $second % 60;
}
}
private static function adjustMinute(int &$minute, int &$hour): void
{
if ($minute < 0) {
$hour += floor($minute / 60);
$minute = 60 - abs($minute % 60);
if ($minute == 60) {
$minute = 0;
}
} elseif ($minute >= 60) {
$hour += floor($minute / 60);
$minute = $minute % 60;
}
}
/**
* @param mixed $value expect int
*/
private static function toIntWithNullBool($value): int
{
$value = Functions::flattenSingleValue($value);
$value = $value ?? 0;
if (is_bool($value)) {
$value = (int) $value;
}
if (!is_numeric($value)) {
throw new Exception(Functions::VALUE());
}
return (int) $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class TimeParts
{
/**
* HOUROFDAY.
*
* Returns the hour of a time value.
* The hour is given as an integer, ranging from 0 (12:00 A.M.) to 23 (11:00 P.M.).
*
* Excel Function:
* HOUR(timeValue)
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Hour
*/
public static function hour($timeValue)
{
try {
$timeValue = Functions::flattenSingleValue($timeValue);
Helpers::nullFalseTrueToNumber($timeValue);
if (!is_numeric($timeValue)) {
$timeValue = Helpers::getTimeValue($timeValue);
}
Helpers::validateNotNegative($timeValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$timeValue = fmod($timeValue, 1);
$timeValue = SharedDateHelper::excelToDateTimeObject($timeValue);
return (int) $timeValue->format('H');
}
/**
* MINUTE.
*
* Returns the minutes of a time value.
* The minute is given as an integer, ranging from 0 to 59.
*
* Excel Function:
* MINUTE(timeValue)
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Minute
*/
public static function minute($timeValue)
{
try {
$timeValue = Functions::flattenSingleValue($timeValue);
Helpers::nullFalseTrueToNumber($timeValue);
if (!is_numeric($timeValue)) {
$timeValue = Helpers::getTimeValue($timeValue);
}
Helpers::validateNotNegative($timeValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$timeValue = fmod($timeValue, 1);
$timeValue = SharedDateHelper::excelToDateTimeObject($timeValue);
return (int) $timeValue->format('i');
}
/**
* SECOND.
*
* Returns the seconds of a time value.
* The minute is given as an integer, ranging from 0 to 59.
*
* Excel Function:
* SECOND(timeValue)
*
* @param mixed $timeValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard time string
*
* @return int|string Second
*/
public static function second($timeValue)
{
try {
$timeValue = Functions::flattenSingleValue($timeValue);
Helpers::nullFalseTrueToNumber($timeValue);
if (!is_numeric($timeValue)) {
$timeValue = Helpers::getTimeValue($timeValue);
}
Helpers::validateNotNegative($timeValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$timeValue = fmod($timeValue, 1);
$timeValue = SharedDateHelper::excelToDateTimeObject($timeValue);
return (int) $timeValue->format('s');
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use Datetime;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class TimeValue
{
/**
* TIMEVALUE.
*
* Returns a value that represents a particular time.
* Use TIMEVALUE to convert a time represented by a text string to an Excel or PHP date/time stamp
* value.
*
* NOTE: When used in a Cell Formula, MS Excel changes the cell format so that it matches the time
* format of your regional settings. PhpSpreadsheet does not change cell formatting in this way.
*
* Excel Function:
* TIMEVALUE(timeValue)
*
* @param string $timeValue A text string that represents a time in any one of the Microsoft
* Excel time formats; for example, "6:45 PM" and "18:45" text strings
* within quotation marks that represent time.
* Date information in time_text is ignored.
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function fromString($timeValue)
{
$timeValue = trim(Functions::flattenSingleValue($timeValue ?? ''), '"');
$timeValue = str_replace(['/', '.'], '-', $timeValue);
$arraySplit = preg_split('/[\/:\-\s]/', $timeValue) ?: [];
if ((count($arraySplit) == 2 || count($arraySplit) == 3) && $arraySplit[0] > 24) {
$arraySplit[0] = ($arraySplit[0] % 24);
$timeValue = implode(':', $arraySplit);
}
$PHPDateArray = date_parse($timeValue);
$retValue = Functions::VALUE();
if (($PHPDateArray !== false) && ($PHPDateArray['error_count'] == 0)) {
// OpenOffice-specific code removed - it works just like Excel
$excelDateValue = SharedDateHelper::formattedPHPToExcel(1900, 1, 1, $PHPDateArray['hour'], $PHPDateArray['minute'], $PHPDateArray['second']) - 1;
$retType = Functions::getReturnDateType();
if ($retType === Functions::RETURNDATE_EXCEL) {
$retValue = (float) $excelDateValue;
} elseif ($retType === Functions::RETURNDATE_UNIX_TIMESTAMP) {
$retValue = (int) $phpDateValue = SharedDateHelper::excelToTimestamp($excelDateValue + 25569) - 3600;
} else {
$retValue = new DateTime('1900-01-01 ' . $PHPDateArray['hour'] . ':' . $PHPDateArray['minute'] . ':' . $PHPDateArray['second']);
}
}
return $retValue;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class Week
{
/**
* WEEKNUM.
*
* Returns the week of the year for a specified date.
* The WEEKNUM function considers the week containing January 1 to be the first week of the year.
* However, there is a European standard that defines the first week as the one with the majority
* of days (four or more) falling in the new year. This means that for years in which there are
* three days or less in the first week of January, the WEEKNUM function returns week numbers
* that are incorrect according to the European standard.
*
* Excel Function:
* WEEKNUM(dateValue[,style])
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $method Week begins on Sunday or Monday
* 1 or omitted Week begins on Sunday.
* 2 Week begins on Monday.
* 11 Week begins on Monday.
* 12 Week begins on Tuesday.
* 13 Week begins on Wednesday.
* 14 Week begins on Thursday.
* 15 Week begins on Friday.
* 16 Week begins on Saturday.
* 17 Week begins on Sunday.
* 21 ISO (Jan. 4 is week 1, begins on Monday).
*
* @return int|string Week Number
*/
public static function number($dateValue, $method = Constants::STARTWEEK_SUNDAY)
{
$origDateValueNull = empty($dateValue);
try {
$method = self::validateMethod($method);
if ($dateValue === null) { // boolean not allowed
$dateValue = (SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_MAC_1904 || $method === Constants::DOW_SUNDAY) ? 0 : 1;
}
$dateValue = self::validateDateValue($dateValue);
if (!$dateValue && self::buggyWeekNum1900($method)) {
// This seems to be an additional Excel bug.
return 0;
}
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
if ($method == Constants::STARTWEEK_MONDAY_ISO) {
Helpers::silly1900($PHPDateObject);
return (int) $PHPDateObject->format('W');
}
if (self::buggyWeekNum1904($method, $origDateValueNull, $PHPDateObject)) {
return 0;
}
Helpers::silly1900($PHPDateObject, '+ 5 years'); // 1905 calendar matches
$dayOfYear = (int) $PHPDateObject->format('z');
$PHPDateObject->modify('-' . $dayOfYear . ' days');
$firstDayOfFirstWeek = (int) $PHPDateObject->format('w');
$daysInFirstWeek = (6 - $firstDayOfFirstWeek + $method) % 7;
$daysInFirstWeek += 7 * !$daysInFirstWeek;
$endFirstWeek = $daysInFirstWeek - 1;
$weekOfYear = floor(($dayOfYear - $endFirstWeek + 13) / 7);
return (int) $weekOfYear;
}
/**
* ISOWEEKNUM.
*
* Returns the ISO 8601 week number of the year for a specified date.
*
* Excel Function:
* ISOWEEKNUM(dateValue)
*
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*
* @return int|string Week Number
*/
public static function isoWeekNumber($dateValue)
{
if (self::apparentBug($dateValue)) {
return 52;
}
try {
$dateValue = Helpers::getDateValue($dateValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
Helpers::silly1900($PHPDateObject);
return (int) $PHPDateObject->format('W');
}
/**
* WEEKDAY.
*
* Returns the day of the week for a specified date. The day is given as an integer
* ranging from 0 to 7 (dependent on the requested style).
*
* Excel Function:
* WEEKDAY(dateValue[,style])
*
* @param null|float|int|string $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $style A number that determines the type of return value
* 1 or omitted Numbers 1 (Sunday) through 7 (Saturday).
* 2 Numbers 1 (Monday) through 7 (Sunday).
* 3 Numbers 0 (Monday) through 6 (Sunday).
*
* @return int|string Day of the week value
*/
public static function day($dateValue, $style = 1)
{
try {
$dateValue = Helpers::getDateValue($dateValue);
$style = self::validateStyle($style);
} catch (Exception $e) {
return $e->getMessage();
}
// Execute function
$PHPDateObject = SharedDateHelper::excelToDateTimeObject($dateValue);
Helpers::silly1900($PHPDateObject);
$DoW = (int) $PHPDateObject->format('w');
switch ($style) {
case 1:
++$DoW;
break;
case 2:
$DoW = self::dow0Becomes7($DoW);
break;
case 3:
$DoW = self::dow0Becomes7($DoW) - 1;
break;
}
return $DoW;
}
/**
* @param mixed $style expect int
*/
private static function validateStyle($style): int
{
$style = Functions::flattenSingleValue($style);
if (!is_numeric($style)) {
throw new Exception(Functions::VALUE());
}
$style = (int) $style;
if (($style < 1) || ($style > 3)) {
throw new Exception(Functions::NAN());
}
return $style;
}
private static function dow0Becomes7(int $DoW): int
{
return ($DoW === 0) ? 7 : $DoW;
}
/**
* @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
*/
private static function apparentBug($dateValue): bool
{
if (SharedDateHelper::getExcelCalendar() !== SharedDateHelper::CALENDAR_MAC_1904) {
if (is_bool($dateValue)) {
return true;
}
if (is_numeric($dateValue) && !((int) $dateValue)) {
return true;
}
}
return false;
}
/**
* Validate dateValue parameter.
*
* @param mixed $dateValue
*/
private static function validateDateValue($dateValue): float
{
if (is_bool($dateValue)) {
throw new Exception(Functions::VALUE());
}
return Helpers::getDateValue($dateValue);
}
/**
* Validate method parameter.
*
* @param mixed $method
*/
private static function validateMethod($method): int
{
if ($method === null) {
$method = Constants::STARTWEEK_SUNDAY;
}
$method = Functions::flattenSingleValue($method);
if (!is_numeric($method)) {
throw new Exception(Functions::VALUE());
}
$method = (int) $method;
if (!array_key_exists($method, Constants::METHODARR)) {
throw new Exception(Functions::NAN());
}
$method = Constants::METHODARR[$method];
return $method;
}
private static function buggyWeekNum1900(int $method): bool
{
return $method === Constants::DOW_SUNDAY && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_WINDOWS_1900;
}
private static function buggyWeekNum1904(int $method, bool $origNull, DateTime $dateObject): bool
{
// This appears to be another Excel bug.
return $method === Constants::DOW_SUNDAY && SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_MAC_1904 &&
!$origNull && $dateObject->format('Y-m-d') === '1904-01-01';
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class WorkDay
{
/**
* WORKDAY.
*
* Returns the date that is the indicated number of working days before or after a date (the
* starting date). Working days exclude weekends and any dates identified as holidays.
* Use WORKDAY to exclude weekends or holidays when you calculate invoice due dates, expected
* delivery times, or the number of days of work performed.
*
* Excel Function:
* WORKDAY(startDate,endDays[,holidays[,holiday[,...]]])
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $endDays The number of nonweekend and nonholiday days before or after
* startDate. A positive value for days yields a future date; a
* negative value yields a past date.
* @param mixed $dateArgs
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function date($startDate, $endDays, ...$dateArgs)
{
// Retrieve the mandatory start date and days that are referenced in the function definition
try {
$startDate = Helpers::getDateValue($startDate);
$endDays = Helpers::validateNumericNull($endDays);
$dateArgs = Functions::flattenArray($dateArgs);
$holidayArray = [];
foreach ($dateArgs as $holidayDate) {
$holidayArray[] = Helpers::getDateValue($holidayDate);
}
} catch (Exception $e) {
return $e->getMessage();
}
$startDate = (float) floor($startDate);
$endDays = (int) floor($endDays);
// If endDays is 0, we always return startDate
if ($endDays == 0) {
return $startDate;
}
if ($endDays < 0) {
return self::decrementing($startDate, $endDays, $holidayArray);
}
return self::incrementing($startDate, $endDays, $holidayArray);
}
/**
* Use incrementing logic to determine Workday.
*
* @return mixed
*/
private static function incrementing(float $startDate, int $endDays, array $holidayArray)
{
// Adjust the start date if it falls over a weekend
$startDoW = self::getWeekDay($startDate, 3);
if (self::getWeekDay($startDate, 3) >= 5) {
$startDate += 7 - $startDoW;
--$endDays;
}
// Add endDays
$endDate = (float) $startDate + ((int) ($endDays / 5) * 7);
$endDays = $endDays % 5;
while ($endDays > 0) {
++$endDate;
// Adjust the calculated end date if it falls over a weekend
$endDow = self::getWeekDay($endDate, 3);
if ($endDow >= 5) {
$endDate += 7 - $endDow;
}
--$endDays;
}
// Test any extra holiday parameters
if (!empty($holidayArray)) {
$endDate = self::incrementingArray($startDate, $endDate, $holidayArray);
}
return Helpers::returnIn3FormatsFloat($endDate);
}
private static function incrementingArray(float $startDate, float $endDate, array $holidayArray): float
{
$holidayCountedArray = $holidayDates = [];
foreach ($holidayArray as $holidayDate) {
if (self::getWeekDay($holidayDate, 3) < 5) {
$holidayDates[] = $holidayDate;
}
}
sort($holidayDates, SORT_NUMERIC);
foreach ($holidayDates as $holidayDate) {
if (($holidayDate >= $startDate) && ($holidayDate <= $endDate)) {
if (!in_array($holidayDate, $holidayCountedArray)) {
++$endDate;
$holidayCountedArray[] = $holidayDate;
}
}
// Adjust the calculated end date if it falls over a weekend
$endDoW = self::getWeekDay($endDate, 3);
if ($endDoW >= 5) {
$endDate += 7 - $endDoW;
}
}
return $endDate;
}
/**
* Use decrementing logic to determine Workday.
*
* @return mixed
*/
private static function decrementing(float $startDate, int $endDays, array $holidayArray)
{
// Adjust the start date if it falls over a weekend
$startDoW = self::getWeekDay($startDate, 3);
if (self::getWeekDay($startDate, 3) >= 5) {
$startDate += -$startDoW + 4;
++$endDays;
}
// Add endDays
$endDate = (float) $startDate + ((int) ($endDays / 5) * 7);
$endDays = $endDays % 5;
while ($endDays < 0) {
--$endDate;
// Adjust the calculated end date if it falls over a weekend
$endDow = self::getWeekDay($endDate, 3);
if ($endDow >= 5) {
$endDate += 4 - $endDow;
}
++$endDays;
}
// Test any extra holiday parameters
if (!empty($holidayArray)) {
$endDate = self::decrementingArray($startDate, $endDate, $holidayArray);
}
return Helpers::returnIn3FormatsFloat($endDate);
}
private static function decrementingArray(float $startDate, float $endDate, array $holidayArray): float
{
$holidayCountedArray = $holidayDates = [];
foreach ($holidayArray as $holidayDate) {
if (self::getWeekDay($holidayDate, 3) < 5) {
$holidayDates[] = $holidayDate;
}
}
rsort($holidayDates, SORT_NUMERIC);
foreach ($holidayDates as $holidayDate) {
if (($holidayDate <= $startDate) && ($holidayDate >= $endDate)) {
if (!in_array($holidayDate, $holidayCountedArray)) {
--$endDate;
$holidayCountedArray[] = $holidayDate;
}
}
// Adjust the calculated end date if it falls over a weekend
$endDoW = self::getWeekDay($endDate, 3);
if ($endDoW >= 5) {
$endDate += -$endDoW + 4;
}
}
return $endDate;
}
private static function getWeekDay(float $date, int $wd): int
{
$result = Week::day($date, $wd);
return is_string($result) ? -1 : $result;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;
class YearFrac
{
/**
* YEARFRAC.
*
* Calculates the fraction of the year represented by the number of whole days between two dates
* (the start_date and the end_date).
* Use the YEARFRAC worksheet function to identify the proportion of a whole year's benefits or
* obligations to assign to a specific term.
*
* Excel Function:
* YEARFRAC(startDate,endDate[,method])
* See https://lists.oasis-open.org/archives/office-formula/200806/msg00039.html
* for description of algorithm used in Excel
*
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer),
* PHP DateTime object, or a standard date string
* @param int $method Method used for the calculation
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string fraction of the year, or a string containing an error
*/
public static function fraction($startDate, $endDate, $method = 0)
{
try {
$method = (int) Helpers::validateNumericNull($method);
$sDate = Helpers::getDateValue($startDate);
$eDate = Helpers::getDateValue($endDate);
$sDate = self::excelBug($sDate, $startDate, $endDate, $method);
$eDate = self::excelBug($eDate, $endDate, $startDate, $method);
$startDate = min($sDate, $eDate);
$endDate = max($sDate, $eDate);
} catch (Exception $e) {
return $e->getMessage();
}
switch ($method) {
case 0:
return Days360::between($startDate, $endDate) / 360;
case 1:
return self::method1($startDate, $endDate);
case 2:
return Difference::interval($startDate, $endDate) / 360;
case 3:
return Difference::interval($startDate, $endDate) / 365;
case 4:
return Days360::between($startDate, $endDate, true) / 360;
}
return Functions::NAN();
}
/**
* Excel 1900 calendar treats date argument of null as 1900-01-00. Really.
*
* @param mixed $startDate
* @param mixed $endDate
*/
private static function excelBug(float $sDate, $startDate, $endDate, int $method): float
{
if (Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE && SharedDateHelper::getExcelCalendar() !== SharedDateHelper::CALENDAR_MAC_1904) {
if ($endDate === null && $startDate !== null) {
if (DateParts::month($sDate) == 12 && DateParts::day($sDate) === 31 && $method === 0) {
$sDate += 2;
} else {
++$sDate;
}
}
}
return $sDate;
}
private static function method1(float $startDate, float $endDate): float
{
$days = Difference::interval($startDate, $endDate);
$startYear = (int) DateParts::year($startDate);
$endYear = (int) DateParts::year($endDate);
$years = $endYear - $startYear + 1;
$startMonth = (int) DateParts::month($startDate);
$startDay = (int) DateParts::day($startDate);
$endMonth = (int) DateParts::month($endDate);
$endDay = (int) DateParts::day($endDate);
$startMonthDay = 100 * $startMonth + $startDay;
$endMonthDay = 100 * $endMonth + $endDay;
if ($years == 1) {
$tmpCalcAnnualBasis = 365 + (int) Helpers::isLeapYear($endYear);
} elseif ($years == 2 && $startMonthDay >= $endMonthDay) {
if (Helpers::isLeapYear($startYear)) {
$tmpCalcAnnualBasis = 365 + (int) ($startMonthDay <= 229);
} elseif (Helpers::isLeapYear($endYear)) {
$tmpCalcAnnualBasis = 365 + (int) ($endMonthDay >= 229);
} else {
$tmpCalcAnnualBasis = 365;
}
} else {
$tmpCalcAnnualBasis = 0;
for ($year = $startYear; $year <= $endYear; ++$year) {
$tmpCalcAnnualBasis += 365 + (int) Helpers::isLeapYear($year);
}
$tmpCalcAnnualBasis /= $years;
}
return $days / $tmpCalcAnnualBasis;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engine;
class CyclicReferenceStack
{
/**
* The call stack for calculated cells.
*
* @var mixed[]
*/
private $stack = [];
/**
* Return the number of entries on the stack.
*
* @return int
*/
public function count()
{
return count($this->stack);
}
/**
* Push a new entry onto the stack.
*
* @param mixed $value
*/
public function push($value): void
{
$this->stack[$value] = $value;
}
/**
* Pop the last entry from the stack.
*
* @return mixed
*/
public function pop()
{
return array_pop($this->stack);
}
/**
* Test to see if a specified entry exists on the stack.
*
* @param mixed $value The value to test
*
* @return bool
*/
public function onStack($value)
{
return isset($this->stack[$value]);
}
/**
* Clear the stack.
*/
public function clear(): void
{
$this->stack = [];
}
/**
* Return an array of all entries on the stack.
*
* @return mixed[]
*/
public function showStack()
{
return $this->stack;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engine;
class Logger
{
/**
* Flag to determine whether a debug log should be generated by the calculation engine
* If true, then a debug log will be generated
* If false, then a debug log will not be generated.
*
* @var bool
*/
private $writeDebugLog = false;
/**
* Flag to determine whether a debug log should be echoed by the calculation engine
* If true, then a debug log will be echoed
* If false, then a debug log will not be echoed
* A debug log can only be echoed if it is generated.
*
* @var bool
*/
private $echoDebugLog = false;
/**
* The debug log generated by the calculation engine.
*
* @var string[]
*/
private $debugLog = [];
/**
* The calculation engine cell reference stack.
*
* @var CyclicReferenceStack
*/
private $cellStack;
/**
* Instantiate a Calculation engine logger.
*/
public function __construct(CyclicReferenceStack $stack)
{
$this->cellStack = $stack;
}
/**
* Enable/Disable Calculation engine logging.
*
* @param bool $pValue
*/
public function setWriteDebugLog($pValue): void
{
$this->writeDebugLog = $pValue;
}
/**
* Return whether calculation engine logging is enabled or disabled.
*
* @return bool
*/
public function getWriteDebugLog()
{
return $this->writeDebugLog;
}
/**
* Enable/Disable echoing of debug log information.
*
* @param bool $pValue
*/
public function setEchoDebugLog($pValue): void
{
$this->echoDebugLog = $pValue;
}
/**
* Return whether echoing of debug log information is enabled or disabled.
*
* @return bool
*/
public function getEchoDebugLog()
{
return $this->echoDebugLog;
}
/**
* Write an entry to the calculation engine debug log.
*/
public function writeDebugLog(...$args): void
{
// Only write the debug log if logging is enabled
if ($this->writeDebugLog) {
$message = implode('', $args);
$cellReference = implode(' -> ', $this->cellStack->showStack());
if ($this->echoDebugLog) {
echo $cellReference,
($this->cellStack->count() > 0 ? ' => ' : ''),
$message,
PHP_EOL;
}
$this->debugLog[] = $cellReference .
($this->cellStack->count() > 0 ? ' => ' : '') .
$message;
}
}
/**
* Write a series of entries to the calculation engine debug log.
*
* @param string[] $args
*/
public function mergeDebugLog(array $args): void
{
if ($this->writeDebugLog) {
foreach ($args as $entry) {
$this->writeDebugLog($entry);
}
}
}
/**
* Clear the calculation engine debug log.
*/
public function clearLog(): void
{
$this->debugLog = [];
}
/**
* Return the calculation engine debug log.
*
* @return string[]
*/
public function getLog()
{
return $this->debugLog;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class BesselI
{
/**
* BESSELI.
*
* Returns the modified Bessel function In(x), which is equivalent to the Bessel function evaluated
* for purely imaginary arguments
*
* Excel Function:
* BESSELI(x,ord)
*
* NOTE: The MS Excel implementation of the BESSELI function is still not accurate.
* This code provides a more accurate calculation
*
* @param mixed $x A float value at which to evaluate the function.
* If x is nonnumeric, BESSELI returns the #VALUE! error value.
* @param mixed $ord The integer order of the Bessel function.
* If ord is not an integer, it is truncated.
* If $ord is nonnumeric, BESSELI returns the #VALUE! error value.
* If $ord < 0, BESSELI returns the #NUM! error value.
*
* @return float|string Result, or a string containing an error
*/
public static function BESSELI($x, $ord)
{
$x = Functions::flattenSingleValue($x);
$ord = Functions::flattenSingleValue($ord);
try {
$x = EngineeringValidations::validateFloat($x);
$ord = EngineeringValidations::validateInt($ord);
} catch (Exception $e) {
return $e->getMessage();
}
if ($ord < 0) {
return Functions::NAN();
}
$fResult = self::calculate($x, $ord);
return (is_nan($fResult)) ? Functions::NAN() : $fResult;
}
private static function calculate(float $x, int $ord): float
{
// special cases
switch ($ord) {
case 0:
return self::besselI0($x);
case 1:
return self::besselI1($x);
}
return self::besselI2($x, $ord);
}
private static function besselI0(float $x): float
{
$ax = abs($x);
if ($ax < 3.75) {
$y = $x / 3.75;
$y = $y * $y;
return 1.0 + $y * (3.5156229 + $y * (3.0899424 + $y * (1.2067492
+ $y * (0.2659732 + $y * (0.360768e-1 + $y * 0.45813e-2)))));
}
$y = 3.75 / $ax;
return (exp($ax) / sqrt($ax)) * (0.39894228 + $y * (0.1328592e-1 + $y * (0.225319e-2 + $y * (-0.157565e-2
+ $y * (0.916281e-2 + $y * (-0.2057706e-1 + $y * (0.2635537e-1 +
$y * (-0.1647633e-1 + $y * 0.392377e-2))))))));
}
private static function besselI1(float $x): float
{
$ax = abs($x);
if ($ax < 3.75) {
$y = $x / 3.75;
$y = $y * $y;
$ans = $ax * (0.5 + $y * (0.87890594 + $y * (0.51498869 + $y * (0.15084934 + $y * (0.2658733e-1 +
$y * (0.301532e-2 + $y * 0.32411e-3))))));
return ($x < 0.0) ? -$ans : $ans;
}
$y = 3.75 / $ax;
$ans = 0.2282967e-1 + $y * (-0.2895312e-1 + $y * (0.1787654e-1 - $y * 0.420059e-2));
$ans = 0.39894228 + $y * (-0.3988024e-1 + $y * (-0.362018e-2 + $y * (0.163801e-2 +
$y * (-0.1031555e-1 + $y * $ans))));
$ans *= exp($ax) / sqrt($ax);
return ($x < 0.0) ? -$ans : $ans;
}
private static function besselI2(float $x, int $ord): float
{
if ($x === 0.0) {
return 0.0;
}
$tox = 2.0 / abs($x);
$bip = 0;
$ans = 0.0;
$bi = 1.0;
for ($j = 2 * ($ord + (int) sqrt(40.0 * $ord)); $j > 0; --$j) {
$bim = $bip + $j * $tox * $bi;
$bip = $bi;
$bi = $bim;
if (abs($bi) > 1.0e+12) {
$ans *= 1.0e-12;
$bi *= 1.0e-12;
$bip *= 1.0e-12;
}
if ($j === $ord) {
$ans = $bip;
}
}
$ans *= self::besselI0($x) / $bi;
return ($x < 0.0 && (($ord % 2) === 1)) ? -$ans : $ans;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class BesselJ
{
/**
* BESSELJ.
*
* Returns the Bessel function
*
* Excel Function:
* BESSELJ(x,ord)
*
* NOTE: The MS Excel implementation of the BESSELJ function is still not accurate, particularly for higher order
* values with x < -8 and x > 8. This code provides a more accurate calculation
*
* @param mixed $x A float value at which to evaluate the function.
* If x is nonnumeric, BESSELJ returns the #VALUE! error value.
* @param mixed $ord The integer order of the Bessel function.
* If ord is not an integer, it is truncated.
* If $ord is nonnumeric, BESSELJ returns the #VALUE! error value.
* If $ord < 0, BESSELJ returns the #NUM! error value.
*
* @return float|string Result, or a string containing an error
*/
public static function BESSELJ($x, $ord)
{
$x = Functions::flattenSingleValue($x);
$ord = Functions::flattenSingleValue($ord);
try {
$x = EngineeringValidations::validateFloat($x);
$ord = EngineeringValidations::validateInt($ord);
} catch (Exception $e) {
return $e->getMessage();
}
if ($ord < 0) {
return Functions::NAN();
}
$fResult = self::calculate($x, $ord);
return (is_nan($fResult)) ? Functions::NAN() : $fResult;
}
private static function calculate(float $x, int $ord): float
{
// special cases
switch ($ord) {
case 0:
return self::besselJ0($x);
case 1:
return self::besselJ1($x);
}
return self::besselJ2($x, $ord);
}
private static function besselJ0(float $x): float
{
$ax = abs($x);
if ($ax < 8.0) {
$y = $x * $x;
$ans1 = 57568490574.0 + $y * (-13362590354.0 + $y * (651619640.7 + $y * (-11214424.18 + $y *
(77392.33017 + $y * (-184.9052456)))));
$ans2 = 57568490411.0 + $y * (1029532985.0 + $y * (9494680.718 + $y * (59272.64853 + $y *
(267.8532712 + $y * 1.0))));
return $ans1 / $ans2;
}
$z = 8.0 / $ax;
$y = $z * $z;
$xx = $ax - 0.785398164;
$ans1 = 1.0 + $y * (-0.1098628627e-2 + $y * (0.2734510407e-4 + $y * (-0.2073370639e-5 + $y * 0.2093887211e-6)));
$ans2 = -0.1562499995e-1 + $y * (0.1430488765e-3 + $y * (-0.6911147651e-5 + $y *
(0.7621095161e-6 - $y * 0.934935152e-7)));
return sqrt(0.636619772 / $ax) * (cos($xx) * $ans1 - $z * sin($xx) * $ans2);
}
private static function besselJ1(float $x): float
{
$ax = abs($x);
if ($ax < 8.0) {
$y = $x * $x;
$ans1 = $x * (72362614232.0 + $y * (-7895059235.0 + $y * (242396853.1 + $y *
(-2972611.439 + $y * (15704.48260 + $y * (-30.16036606))))));
$ans2 = 144725228442.0 + $y * (2300535178.0 + $y * (18583304.74 + $y * (99447.43394 + $y *
(376.9991397 + $y * 1.0))));
return $ans1 / $ans2;
}
$z = 8.0 / $ax;
$y = $z * $z;
$xx = $ax - 2.356194491;
$ans1 = 1.0 + $y * (0.183105e-2 + $y * (-0.3516396496e-4 + $y * (0.2457520174e-5 + $y * (-0.240337019e-6))));
$ans2 = 0.04687499995 + $y * (-0.2002690873e-3 + $y * (0.8449199096e-5 + $y *
(-0.88228987e-6 + $y * 0.105787412e-6)));
$ans = sqrt(0.636619772 / $ax) * (cos($xx) * $ans1 - $z * sin($xx) * $ans2);
return ($x < 0.0) ? -$ans : $ans;
}
private static function besselJ2(float $x, int $ord): float
{
$ax = abs($x);
if ($ax === 0.0) {
return 0.0;
}
if ($ax > $ord) {
return self::besselj2a($ax, $ord, $x);
}
return self::besselj2b($ax, $ord, $x);
}
private static function besselj2a(float $ax, int $ord, float $x)
{
$tox = 2.0 / $ax;
$bjm = self::besselJ0($ax);
$bj = self::besselJ1($ax);
for ($j = 1; $j < $ord; ++$j) {
$bjp = $j * $tox * $bj - $bjm;
$bjm = $bj;
$bj = $bjp;
}
$ans = $bj;
return ($x < 0.0 && ($ord % 2) == 1) ? -$ans : $ans;
}
private static function besselj2b(float $ax, int $ord, float $x)
{
$tox = 2.0 / $ax;
$jsum = false;
$bjp = $ans = $sum = 0.0;
$bj = 1.0;
for ($j = 2 * ($ord + (int) sqrt(40.0 * $ord)); $j > 0; --$j) {
$bjm = $j * $tox * $bj - $bjp;
$bjp = $bj;
$bj = $bjm;
if (abs($bj) > 1.0e+10) {
$bj *= 1.0e-10;
$bjp *= 1.0e-10;
$ans *= 1.0e-10;
$sum *= 1.0e-10;
}
if ($jsum === true) {
$sum += $bj;
}
$jsum = !$jsum;
if ($j === $ord) {
$ans = $bjp;
}
}
$sum = 2.0 * $sum - $bj;
$ans /= $sum;
return ($x < 0.0 && ($ord % 2) === 1) ? -$ans : $ans;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class BesselK
{
/**
* BESSELK.
*
* Returns the modified Bessel function Kn(x), which is equivalent to the Bessel functions evaluated
* for purely imaginary arguments.
*
* Excel Function:
* BESSELK(x,ord)
*
* @param mixed $x A float value at which to evaluate the function.
* If x is nonnumeric, BESSELK returns the #VALUE! error value.
* @param mixed $ord The integer order of the Bessel function.
* If ord is not an integer, it is truncated.
* If $ord is nonnumeric, BESSELK returns the #VALUE! error value.
* If $ord < 0, BESSELKI returns the #NUM! error value.
*
* @return float|string Result, or a string containing an error
*/
public static function BESSELK($x, $ord)
{
$x = Functions::flattenSingleValue($x);
$ord = Functions::flattenSingleValue($ord);
try {
$x = EngineeringValidations::validateFloat($x);
$ord = EngineeringValidations::validateInt($ord);
} catch (Exception $e) {
return $e->getMessage();
}
if (($ord < 0) || ($x <= 0.0)) {
return Functions::NAN();
}
$fBk = self::calculate($x, $ord);
return (is_nan($fBk)) ? Functions::NAN() : $fBk;
}
private static function calculate(float $x, int $ord): float
{
// special cases
switch ($ord) {
case 0:
return self::besselK0($x);
case 1:
return self::besselK1($x);
}
return self::besselK2($x, $ord);
}
private static function besselK0(float $x): float
{
if ($x <= 2) {
$fNum2 = $x * 0.5;
$y = ($fNum2 * $fNum2);
return -log($fNum2) * BesselI::BESSELI($x, 0) +
(-0.57721566 + $y * (0.42278420 + $y * (0.23069756 + $y * (0.3488590e-1 + $y * (0.262698e-2 + $y *
(0.10750e-3 + $y * 0.74e-5))))));
}
$y = 2 / $x;
return exp(-$x) / sqrt($x) *
(1.25331414 + $y * (-0.7832358e-1 + $y * (0.2189568e-1 + $y * (-0.1062446e-1 + $y *
(0.587872e-2 + $y * (-0.251540e-2 + $y * 0.53208e-3))))));
}
private static function besselK1(float $x): float
{
if ($x <= 2) {
$fNum2 = $x * 0.5;
$y = ($fNum2 * $fNum2);
return log($fNum2) * BesselI::BESSELI($x, 1) +
(1 + $y * (0.15443144 + $y * (-0.67278579 + $y * (-0.18156897 + $y * (-0.1919402e-1 + $y *
(-0.110404e-2 + $y * (-0.4686e-4))))))) / $x;
}
$y = 2 / $x;
return exp(-$x) / sqrt($x) *
(1.25331414 + $y * (0.23498619 + $y * (-0.3655620e-1 + $y * (0.1504268e-1 + $y * (-0.780353e-2 + $y *
(0.325614e-2 + $y * (-0.68245e-3)))))));
}
private static function besselK2(float $x, int $ord)
{
$fTox = 2 / $x;
$fBkm = self::besselK0($x);
$fBk = self::besselK1($x);
for ($n = 1; $n < $ord; ++$n) {
$fBkp = $fBkm + $n * $fTox * $fBk;
$fBkm = $fBk;
$fBk = $fBkp;
}
return $fBk;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class BesselY
{
/**
* BESSELY.
*
* Returns the Bessel function, which is also called the Weber function or the Neumann function.
*
* Excel Function:
* BESSELY(x,ord)
*
* @param mixed $x A float value at which to evaluate the function.
* If x is nonnumeric, BESSELY returns the #VALUE! error value.
* @param mixed $ord The integer order of the Bessel function.
* If ord is not an integer, it is truncated.
* If $ord is nonnumeric, BESSELY returns the #VALUE! error value.
* If $ord < 0, BESSELY returns the #NUM! error value.
*
* @return float|string Result, or a string containing an error
*/
public static function BESSELY($x, $ord)
{
$x = Functions::flattenSingleValue($x);
$ord = Functions::flattenSingleValue($ord);
try {
$x = EngineeringValidations::validateFloat($x);
$ord = EngineeringValidations::validateInt($ord);
} catch (Exception $e) {
return $e->getMessage();
}
if (($ord < 0) || ($x <= 0.0)) {
return Functions::NAN();
}
$fBy = self::calculate($x, $ord);
return (is_nan($fBy)) ? Functions::NAN() : $fBy;
}
private static function calculate(float $x, int $ord): float
{
// special cases
switch ($ord) {
case 0:
return self::besselY0($x);
case 1:
return self::besselY1($x);
}
return self::besselY2($x, $ord);
}
private static function besselY0(float $x): float
{
if ($x < 8.0) {
$y = ($x * $x);
$ans1 = -2957821389.0 + $y * (7062834065.0 + $y * (-512359803.6 + $y * (10879881.29 + $y *
(-86327.92757 + $y * 228.4622733))));
$ans2 = 40076544269.0 + $y * (745249964.8 + $y * (7189466.438 + $y *
(47447.26470 + $y * (226.1030244 + $y))));
return $ans1 / $ans2 + 0.636619772 * BesselJ::BESSELJ($x, 0) * log($x);
}
$z = 8.0 / $x;
$y = ($z * $z);
$xx = $x - 0.785398164;
$ans1 = 1 + $y * (-0.1098628627e-2 + $y * (0.2734510407e-4 + $y * (-0.2073370639e-5 + $y * 0.2093887211e-6)));
$ans2 = -0.1562499995e-1 + $y * (0.1430488765e-3 + $y * (-0.6911147651e-5 + $y * (0.7621095161e-6 + $y *
(-0.934945152e-7))));
return sqrt(0.636619772 / $x) * (sin($xx) * $ans1 + $z * cos($xx) * $ans2);
}
private static function besselY1(float $x): float
{
if ($x < 8.0) {
$y = ($x * $x);
$ans1 = $x * (-0.4900604943e13 + $y * (0.1275274390e13 + $y * (-0.5153438139e11 + $y *
(0.7349264551e9 + $y * (-0.4237922726e7 + $y * 0.8511937935e4)))));
$ans2 = 0.2499580570e14 + $y * (0.4244419664e12 + $y * (0.3733650367e10 + $y * (0.2245904002e8 + $y *
(0.1020426050e6 + $y * (0.3549632885e3 + $y)))));
return ($ans1 / $ans2) + 0.636619772 * (BesselJ::BESSELJ($x, 1) * log($x) - 1 / $x);
}
$z = 8.0 / $x;
$y = $z * $z;
$xx = $x - 2.356194491;
$ans1 = 1.0 + $y * (0.183105e-2 + $y * (-0.3516396496e-4 + $y * (0.2457520174e-5 + $y * (-0.240337019e-6))));
$ans2 = 0.04687499995 + $y * (-0.2002690873e-3 + $y * (0.8449199096e-5 + $y *
(-0.88228987e-6 + $y * 0.105787412e-6)));
return sqrt(0.636619772 / $x) * (sin($xx) * $ans1 + $z * cos($xx) * $ans2);
}
private static function besselY2(float $x, int $ord): float
{
$fTox = 2.0 / $x;
$fBym = self::besselY0($x);
$fBy = self::besselY1($x);
for ($n = 1; $n < $ord; ++$n) {
$fByp = $n * $fTox * $fBy - $fBym;
$fBym = $fBy;
$fBy = $fByp;
}
return $fBy;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class BitWise
{
const SPLIT_DIVISOR = 2 ** 24;
/**
* Split a number into upper and lower portions for full 32-bit support.
*
* @param float|int $number
*/
private static function splitNumber($number): array
{
return [floor($number / self::SPLIT_DIVISOR), fmod($number, self::SPLIT_DIVISOR)];
}
/**
* BITAND.
*
* Returns the bitwise AND of two integer values.
*
* Excel Function:
* BITAND(number1, number2)
*
* @param int $number1
* @param int $number2
*
* @return int|string
*/
public static function BITAND($number1, $number2)
{
try {
$number1 = self::validateBitwiseArgument($number1);
$number2 = self::validateBitwiseArgument($number2);
} catch (Exception $e) {
return $e->getMessage();
}
$split1 = self::splitNumber($number1);
$split2 = self::splitNumber($number2);
return self::SPLIT_DIVISOR * ($split1[0] & $split2[0]) + ($split1[1] & $split2[1]);
}
/**
* BITOR.
*
* Returns the bitwise OR of two integer values.
*
* Excel Function:
* BITOR(number1, number2)
*
* @param int $number1
* @param int $number2
*
* @return int|string
*/
public static function BITOR($number1, $number2)
{
try {
$number1 = self::validateBitwiseArgument($number1);
$number2 = self::validateBitwiseArgument($number2);
} catch (Exception $e) {
return $e->getMessage();
}
$split1 = self::splitNumber($number1);
$split2 = self::splitNumber($number2);
return self::SPLIT_DIVISOR * ($split1[0] | $split2[0]) + ($split1[1] | $split2[1]);
}
/**
* BITXOR.
*
* Returns the bitwise XOR of two integer values.
*
* Excel Function:
* BITXOR(number1, number2)
*
* @param int $number1
* @param int $number2
*
* @return int|string
*/
public static function BITXOR($number1, $number2)
{
try {
$number1 = self::validateBitwiseArgument($number1);
$number2 = self::validateBitwiseArgument($number2);
} catch (Exception $e) {
return $e->getMessage();
}
$split1 = self::splitNumber($number1);
$split2 = self::splitNumber($number2);
return self::SPLIT_DIVISOR * ($split1[0] ^ $split2[0]) + ($split1[1] ^ $split2[1]);
}
/**
* BITLSHIFT.
*
* Returns the number value shifted left by shift_amount bits.
*
* Excel Function:
* BITLSHIFT(number, shift_amount)
*
* @param int $number
* @param int $shiftAmount
*
* @return float|int|string
*/
public static function BITLSHIFT($number, $shiftAmount)
{
try {
$number = self::validateBitwiseArgument($number);
$shiftAmount = self::validateShiftAmount($shiftAmount);
} catch (Exception $e) {
return $e->getMessage();
}
$result = floor($number * (2 ** $shiftAmount));
if ($result > 2 ** 48 - 1) {
return Functions::NAN();
}
return $result;
}
/**
* BITRSHIFT.
*
* Returns the number value shifted right by shift_amount bits.
*
* Excel Function:
* BITRSHIFT(number, shift_amount)
*
* @param int $number
* @param int $shiftAmount
*
* @return float|int|string
*/
public static function BITRSHIFT($number, $shiftAmount)
{
try {
$number = self::validateBitwiseArgument($number);
$shiftAmount = self::validateShiftAmount($shiftAmount);
} catch (Exception $e) {
return $e->getMessage();
}
$result = floor($number / (2 ** $shiftAmount));
if ($result > 2 ** 48 - 1) { // possible because shiftAmount can be negative
return Functions::NAN();
}
return $result;
}
/**
* Validate arguments passed to the bitwise functions.
*
* @param mixed $value
*
* @return float|int
*/
private static function validateBitwiseArgument($value)
{
self::nullFalseTrueToNumber($value);
if (is_numeric($value)) {
if ($value == floor($value)) {
if (($value > 2 ** 48 - 1) || ($value < 0)) {
throw new Exception(Functions::NAN());
}
return floor($value);
}
throw new Exception(Functions::NAN());
}
throw new Exception(Functions::VALUE());
}
/**
* Validate arguments passed to the bitwise functions.
*
* @param mixed $value
*
* @return int
*/
private static function validateShiftAmount($value)
{
self::nullFalseTrueToNumber($value);
if (is_numeric($value)) {
if (abs($value) > 53) {
throw new Exception(Functions::NAN());
}
return (int) $value;
}
throw new Exception(Functions::VALUE());
}
/**
* Many functions accept null/false/true argument treated as 0/0/1.
*
* @param mixed $number
*/
public static function nullFalseTrueToNumber(&$number): void
{
$number = Functions::flattenSingleValue($number);
if ($number === null) {
$number = 0;
} elseif (is_bool($number)) {
$number = (int) $number;
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Compare
{
/**
* DELTA.
*
* Excel Function:
* DELTA(a[,b])
*
* Tests whether two values are equal. Returns 1 if number1 = number2; returns 0 otherwise.
* Use this function to filter a set of values. For example, by summing several DELTA
* functions you calculate the count of equal pairs. This function is also known as the
* Kronecker Delta function.
*
* @param float $a the first number
* @param float $b The second number. If omitted, b is assumed to be zero.
*
* @return int|string (string in the event of an error)
*/
public static function DELTA($a, $b = 0)
{
$a = Functions::flattenSingleValue($a);
$b = Functions::flattenSingleValue($b);
try {
$a = EngineeringValidations::validateFloat($a);
$b = EngineeringValidations::validateFloat($b);
} catch (Exception $e) {
return $e->getMessage();
}
return (int) ($a == $b);
}
/**
* GESTEP.
*
* Excel Function:
* GESTEP(number[,step])
*
* Returns 1 if number >= step; returns 0 (zero) otherwise
* Use this function to filter a set of values. For example, by summing several GESTEP
* functions you calculate the count of values that exceed a threshold.
*
* @param float $number the value to test against step
* @param float $step The threshold value. If you omit a value for step, GESTEP uses zero.
*
* @return int|string (string in the event of an error)
*/
public static function GESTEP($number, $step = 0)
{
$number = Functions::flattenSingleValue($number);
$step = Functions::flattenSingleValue($step);
try {
$number = EngineeringValidations::validateFloat($number);
$step = EngineeringValidations::validateFloat($step);
} catch (Exception $e) {
return $e->getMessage();
}
return (int) ($number >= $step);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use Complex\Complex as ComplexObject;
use Complex\Exception as ComplexException;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Complex
{
/**
* COMPLEX.
*
* Converts real and imaginary coefficients into a complex number of the form x +/- yi or x +/- yj.
*
* Excel Function:
* COMPLEX(realNumber,imaginary[,suffix])
*
* @param mixed $realNumber the real float coefficient of the complex number
* @param mixed $imaginary the imaginary float coefficient of the complex number
* @param mixed $suffix The character suffix for the imaginary component of the complex number.
* If omitted, the suffix is assumed to be "i".
*
* @return string
*/
public static function COMPLEX($realNumber = 0.0, $imaginary = 0.0, $suffix = 'i')
{
$realNumber = ($realNumber === null) ? 0.0 : Functions::flattenSingleValue($realNumber);
$imaginary = ($imaginary === null) ? 0.0 : Functions::flattenSingleValue($imaginary);
$suffix = ($suffix === null) ? 'i' : Functions::flattenSingleValue($suffix);
try {
$realNumber = EngineeringValidations::validateFloat($realNumber);
$imaginary = EngineeringValidations::validateFloat($imaginary);
} catch (Exception $e) {
return $e->getMessage();
}
if (($suffix == 'i') || ($suffix == 'j') || ($suffix == '')) {
$complex = new ComplexObject($realNumber, $imaginary, $suffix);
return (string) $complex;
}
return Functions::VALUE();
}
/**
* IMAGINARY.
*
* Returns the imaginary coefficient of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMAGINARY(complexNumber)
*
* @param string $complexNumber the complex number for which you want the imaginary
* coefficient
*
* @return float|string
*/
public static function IMAGINARY($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return $complex->getImaginary();
}
/**
* IMREAL.
*
* Returns the real coefficient of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMREAL(complexNumber)
*
* @param string $complexNumber the complex number for which you want the real coefficient
*
* @return float|string
*/
public static function IMREAL($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return $complex->getReal();
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use Complex\Complex as ComplexObject;
use Complex\Exception as ComplexException;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ComplexFunctions
{
/**
* IMABS.
*
* Returns the absolute value (modulus) of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMABS(complexNumber)
*
* @param string $complexNumber the complex number for which you want the absolute value
*
* @return float|string
*/
public static function IMABS($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return $complex->abs();
}
/**
* IMARGUMENT.
*
* Returns the argument theta of a complex number, i.e. the angle in radians from the real
* axis to the representation of the number in polar coordinates.
*
* Excel Function:
* IMARGUMENT(complexNumber)
*
* @param string $complexNumber the complex number for which you want the argument theta
*
* @return float|string
*/
public static function IMARGUMENT($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
return Functions::DIV0();
}
return $complex->argument();
}
/**
* IMCONJUGATE.
*
* Returns the complex conjugate of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCONJUGATE(complexNumber)
*
* @param string $complexNumber the complex number for which you want the conjugate
*
* @return string
*/
public static function IMCONJUGATE($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->conjugate();
}
/**
* IMCOS.
*
* Returns the cosine of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCOS(complexNumber)
*
* @param string $complexNumber the complex number for which you want the cosine
*
* @return float|string
*/
public static function IMCOS($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->cos();
}
/**
* IMCOSH.
*
* Returns the hyperbolic cosine of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCOSH(complexNumber)
*
* @param string $complexNumber the complex number for which you want the hyperbolic cosine
*
* @return float|string
*/
public static function IMCOSH($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->cosh();
}
/**
* IMCOT.
*
* Returns the cotangent of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCOT(complexNumber)
*
* @param string $complexNumber the complex number for which you want the cotangent
*
* @return float|string
*/
public static function IMCOT($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->cot();
}
/**
* IMCSC.
*
* Returns the cosecant of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCSC(complexNumber)
*
* @param string $complexNumber the complex number for which you want the cosecant
*
* @return float|string
*/
public static function IMCSC($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->csc();
}
/**
* IMCSCH.
*
* Returns the hyperbolic cosecant of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMCSCH(complexNumber)
*
* @param string $complexNumber the complex number for which you want the hyperbolic cosecant
*
* @return float|string
*/
public static function IMCSCH($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->csch();
}
/**
* IMSIN.
*
* Returns the sine of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMSIN(complexNumber)
*
* @param string $complexNumber the complex number for which you want the sine
*
* @return float|string
*/
public static function IMSIN($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->sin();
}
/**
* IMSINH.
*
* Returns the hyperbolic sine of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMSINH(complexNumber)
*
* @param string $complexNumber the complex number for which you want the hyperbolic sine
*
* @return float|string
*/
public static function IMSINH($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->sinh();
}
/**
* IMSEC.
*
* Returns the secant of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMSEC(complexNumber)
*
* @param string $complexNumber the complex number for which you want the secant
*
* @return float|string
*/
public static function IMSEC($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->sec();
}
/**
* IMSECH.
*
* Returns the hyperbolic secant of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMSECH(complexNumber)
*
* @param string $complexNumber the complex number for which you want the hyperbolic secant
*
* @return float|string
*/
public static function IMSECH($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->sech();
}
/**
* IMTAN.
*
* Returns the tangent of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMTAN(complexNumber)
*
* @param string $complexNumber the complex number for which you want the tangent
*
* @return float|string
*/
public static function IMTAN($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->tan();
}
/**
* IMSQRT.
*
* Returns the square root of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMSQRT(complexNumber)
*
* @param string $complexNumber the complex number for which you want the square root
*
* @return string
*/
public static function IMSQRT($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
$theta = self::IMARGUMENT($complexNumber);
if ($theta === Functions::DIV0()) {
return '0';
}
return (string) $complex->sqrt();
}
/**
* IMLN.
*
* Returns the natural logarithm of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMLN(complexNumber)
*
* @param string $complexNumber the complex number for which you want the natural logarithm
*
* @return string
*/
public static function IMLN($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
return Functions::NAN();
}
return (string) $complex->ln();
}
/**
* IMLOG10.
*
* Returns the common logarithm (base 10) of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMLOG10(complexNumber)
*
* @param string $complexNumber the complex number for which you want the common logarithm
*
* @return string
*/
public static function IMLOG10($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
return Functions::NAN();
}
return (string) $complex->log10();
}
/**
* IMLOG2.
*
* Returns the base-2 logarithm of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMLOG2(complexNumber)
*
* @param string $complexNumber the complex number for which you want the base-2 logarithm
*
* @return string
*/
public static function IMLOG2($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
if ($complex->getReal() == 0.0 && $complex->getImaginary() == 0.0) {
return Functions::NAN();
}
return (string) $complex->log2();
}
/**
* IMEXP.
*
* Returns the exponential of a complex number in x + yi or x + yj text format.
*
* Excel Function:
* IMEXP(complexNumber)
*
* @param string $complexNumber the complex number for which you want the exponential
*
* @return string
*/
public static function IMEXP($complexNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $complex->exp();
}
/**
* IMPOWER.
*
* Returns a complex number in x + yi or x + yj text format raised to a power.
*
* Excel Function:
* IMPOWER(complexNumber,realNumber)
*
* @param string $complexNumber the complex number you want to raise to a power
* @param float $realNumber the power to which you want to raise the complex number
*
* @return string
*/
public static function IMPOWER($complexNumber, $realNumber)
{
$complexNumber = Functions::flattenSingleValue($complexNumber);
$realNumber = Functions::flattenSingleValue($realNumber);
try {
$complex = new ComplexObject($complexNumber);
} catch (ComplexException $e) {
return Functions::NAN();
}
if (!is_numeric($realNumber)) {
return Functions::VALUE();
}
return (string) $complex->pow($realNumber);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use Complex\Complex as ComplexObject;
use Complex\Exception as ComplexException;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ComplexOperations
{
/**
* IMDIV.
*
* Returns the quotient of two complex numbers in x + yi or x + yj text format.
*
* Excel Function:
* IMDIV(complexDividend,complexDivisor)
*
* @param string $complexDividend the complex numerator or dividend
* @param string $complexDivisor the complex denominator or divisor
*
* @return string
*/
public static function IMDIV($complexDividend, $complexDivisor)
{
$complexDividend = Functions::flattenSingleValue($complexDividend);
$complexDivisor = Functions::flattenSingleValue($complexDivisor);
try {
return (string) (new ComplexObject($complexDividend))->divideby(new ComplexObject($complexDivisor));
} catch (ComplexException $e) {
return Functions::NAN();
}
}
/**
* IMSUB.
*
* Returns the difference of two complex numbers in x + yi or x + yj text format.
*
* Excel Function:
* IMSUB(complexNumber1,complexNumber2)
*
* @param string $complexNumber1 the complex number from which to subtract complexNumber2
* @param string $complexNumber2 the complex number to subtract from complexNumber1
*
* @return string
*/
public static function IMSUB($complexNumber1, $complexNumber2)
{
$complexNumber1 = Functions::flattenSingleValue($complexNumber1);
$complexNumber2 = Functions::flattenSingleValue($complexNumber2);
try {
return (string) (new ComplexObject($complexNumber1))->subtract(new ComplexObject($complexNumber2));
} catch (ComplexException $e) {
return Functions::NAN();
}
}
/**
* IMSUM.
*
* Returns the sum of two or more complex numbers in x + yi or x + yj text format.
*
* Excel Function:
* IMSUM(complexNumber[,complexNumber[,...]])
*
* @param string ...$complexNumbers Series of complex numbers to add
*
* @return string
*/
public static function IMSUM(...$complexNumbers)
{
// Return value
$returnValue = new ComplexObject(0.0);
$aArgs = Functions::flattenArray($complexNumbers);
try {
// Loop through the arguments
foreach ($aArgs as $complex) {
$returnValue = $returnValue->add(new ComplexObject($complex));
}
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $returnValue;
}
/**
* IMPRODUCT.
*
* Returns the product of two or more complex numbers in x + yi or x + yj text format.
*
* Excel Function:
* IMPRODUCT(complexNumber[,complexNumber[,...]])
*
* @param string ...$complexNumbers Series of complex numbers to multiply
*
* @return string
*/
public static function IMPRODUCT(...$complexNumbers)
{
// Return value
$returnValue = new ComplexObject(1.0);
$aArgs = Functions::flattenArray($complexNumbers);
try {
// Loop through the arguments
foreach ($aArgs as $complex) {
$returnValue = $returnValue->multiply(new ComplexObject($complex));
}
} catch (ComplexException $e) {
return Functions::NAN();
}
return (string) $returnValue;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
class Constants
{
/**
* EULER.
*/
public const EULER = 2.71828182845904523536;
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertBase
{
protected static function validateValue($value): string
{
if (is_bool($value)) {
if (Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE) {
throw new Exception(Functions::VALUE());
}
$value = (int) $value;
}
if (is_numeric($value)) {
if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC) {
$value = floor((float) $value);
}
}
return strtoupper((string) $value);
}
protected static function validatePlaces($places = null): ?int
{
if ($places === null) {
return $places;
}
if (is_numeric($places)) {
if ($places < 0 || $places > 10) {
throw new Exception(Functions::NAN());
}
return (int) $places;
}
throw new Exception(Functions::VALUE());
}
/**
* Formats a number base string value with leading zeroes.
*
* @param string $value The "number" to pad
* @param ?int $places The length that we want to pad this value
*
* @return string The padded "number"
*/
protected static function nbrConversionFormat(string $value, ?int $places): string
{
if ($places !== null) {
if (strlen($value) <= $places) {
return substr(str_pad($value, $places, '0', STR_PAD_LEFT), -10);
}
return Functions::NAN();
}
return substr($value, -10);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertBinary extends ConvertBase
{
/**
* toDecimal.
*
* Return a binary value as decimal.
*
* Excel Function:
* BIN2DEC(x)
*
* @param string $value The binary number (as a string) that you want to convert. The number
* cannot contain more than 10 characters (10 bits). The most significant
* bit of number is the sign bit. The remaining 9 bits are magnitude bits.
* Negative numbers are represented using two's-complement notation.
* If number is not a valid binary number, or if number contains more than
* 10 characters (10 bits), BIN2DEC returns the #NUM! error value.
*/
public static function toDecimal($value): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateBinary($value);
} catch (Exception $e) {
return $e->getMessage();
}
if (strlen($value) == 10) {
// Two's Complement
$value = substr($value, -9);
return '-' . (512 - bindec($value));
}
return (string) bindec($value);
}
/**
* toHex.
*
* Return a binary value as hex.
*
* Excel Function:
* BIN2HEX(x[,places])
*
* @param string $value The binary number (as a string) that you want to convert. The number
* cannot contain more than 10 characters (10 bits). The most significant
* bit of number is the sign bit. The remaining 9 bits are magnitude bits.
* Negative numbers are represented using two's-complement notation.
* If number is not a valid binary number, or if number contains more than
* 10 characters (10 bits), BIN2HEX returns the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, BIN2HEX uses the
* minimum number of characters necessary. Places is useful for padding the
* return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, BIN2HEX returns the #VALUE! error value.
* If places is negative, BIN2HEX returns the #NUM! error value.
*/
public static function toHex($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateBinary($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
if (strlen($value) == 10) {
$high2 = substr($value, 0, 2);
$low8 = substr($value, 2);
$xarr = ['00' => '00000000', '01' => '00000001', '10' => 'FFFFFFFE', '11' => 'FFFFFFFF'];
return $xarr[$high2] . strtoupper(substr('0' . dechex((int) bindec($low8)), -2));
}
$hexVal = (string) strtoupper(dechex((int) bindec($value)));
return self::nbrConversionFormat($hexVal, $places);
}
/**
* toOctal.
*
* Return a binary value as octal.
*
* Excel Function:
* BIN2OCT(x[,places])
*
* @param string $value The binary number (as a string) that you want to convert. The number
* cannot contain more than 10 characters (10 bits). The most significant
* bit of number is the sign bit. The remaining 9 bits are magnitude bits.
* Negative numbers are represented using two's-complement notation.
* If number is not a valid binary number, or if number contains more than
* 10 characters (10 bits), BIN2OCT returns the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, BIN2OCT uses the
* minimum number of characters necessary. Places is useful for padding the
* return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, BIN2OCT returns the #VALUE! error value.
* If places is negative, BIN2OCT returns the #NUM! error value.
*/
public static function toOctal($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateBinary($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
if (strlen($value) == 10 && substr($value, 0, 1) === '1') { // Two's Complement
return str_repeat('7', 6) . strtoupper(decoct((int) bindec("11$value")));
}
$octVal = (string) decoct((int) bindec($value));
return self::nbrConversionFormat($octVal, $places);
}
protected static function validateBinary(string $value): string
{
if ((strlen($value) > preg_match_all('/[01]/', $value)) || (strlen($value) > 10)) {
throw new Exception(Functions::NAN());
}
return $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertDecimal extends ConvertBase
{
const LARGEST_OCTAL_IN_DECIMAL = 536870911;
const SMALLEST_OCTAL_IN_DECIMAL = -536870912;
const LARGEST_BINARY_IN_DECIMAL = 511;
const SMALLEST_BINARY_IN_DECIMAL = -512;
const LARGEST_HEX_IN_DECIMAL = 549755813887;
const SMALLEST_HEX_IN_DECIMAL = -549755813888;
/**
* toBinary.
*
* Return a decimal value as binary.
*
* Excel Function:
* DEC2BIN(x[,places])
*
* @param string $value The decimal integer you want to convert. If number is negative,
* valid place values are ignored and DEC2BIN returns a 10-character
* (10-bit) binary number in which the most significant bit is the sign
* bit. The remaining 9 bits are magnitude bits. Negative numbers are
* represented using two's-complement notation.
* If number < -512 or if number > 511, DEC2BIN returns the #NUM! error
* value.
* If number is nonnumeric, DEC2BIN returns the #VALUE! error value.
* If DEC2BIN requires more than places characters, it returns the #NUM!
* error value.
* @param int $places The number of characters to use. If places is omitted, DEC2BIN uses
* the minimum number of characters necessary. Places is useful for
* padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, DEC2BIN returns the #VALUE! error value.
* If places is zero or negative, DEC2BIN returns the #NUM! error value.
*/
public static function toBinary($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateDecimal($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$value = (int) floor((float) $value);
if ($value > self::LARGEST_BINARY_IN_DECIMAL || $value < self::SMALLEST_BINARY_IN_DECIMAL) {
return Functions::NAN();
}
$r = decbin($value);
// Two's Complement
$r = substr($r, -10);
return self::nbrConversionFormat($r, $places);
}
/**
* toHex.
*
* Return a decimal value as hex.
*
* Excel Function:
* DEC2HEX(x[,places])
*
* @param string $value The decimal integer you want to convert. If number is negative,
* places is ignored and DEC2HEX returns a 10-character (40-bit)
* hexadecimal number in which the most significant bit is the sign
* bit. The remaining 39 bits are magnitude bits. Negative numbers
* are represented using two's-complement notation.
* If number < -549,755,813,888 or if number > 549,755,813,887,
* DEC2HEX returns the #NUM! error value.
* If number is nonnumeric, DEC2HEX returns the #VALUE! error value.
* If DEC2HEX requires more than places characters, it returns the
* #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, DEC2HEX uses
* the minimum number of characters necessary. Places is useful for
* padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, DEC2HEX returns the #VALUE! error value.
* If places is zero or negative, DEC2HEX returns the #NUM! error value.
*/
public static function toHex($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateDecimal($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$value = floor((float) $value);
if ($value > self::LARGEST_HEX_IN_DECIMAL || $value < self::SMALLEST_HEX_IN_DECIMAL) {
return Functions::NAN();
}
$r = strtoupper(dechex((int) $value));
$r = self::hex32bit($value, $r);
return self::nbrConversionFormat($r, $places);
}
public static function hex32bit(float $value, string $hexstr, bool $force = false): string
{
if (PHP_INT_SIZE === 4 || $force) {
if ($value >= 2 ** 32) {
$quotient = (int) ($value / (2 ** 32));
return strtoupper(substr('0' . dechex($quotient), -2) . $hexstr);
}
if ($value < -(2 ** 32)) {
$quotient = 256 - (int) ceil((-$value) / (2 ** 32));
return strtoupper(substr('0' . dechex($quotient), -2) . substr("00000000$hexstr", -8));
}
if ($value < 0) {
return "FF$hexstr";
}
}
return $hexstr;
}
/**
* toOctal.
*
* Return an decimal value as octal.
*
* Excel Function:
* DEC2OCT(x[,places])
*
* @param string $value The decimal integer you want to convert. If number is negative,
* places is ignored and DEC2OCT returns a 10-character (30-bit)
* octal number in which the most significant bit is the sign bit.
* The remaining 29 bits are magnitude bits. Negative numbers are
* represented using two's-complement notation.
* If number < -536,870,912 or if number > 536,870,911, DEC2OCT
* returns the #NUM! error value.
* If number is nonnumeric, DEC2OCT returns the #VALUE! error value.
* If DEC2OCT requires more than places characters, it returns the
* #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, DEC2OCT uses
* the minimum number of characters necessary. Places is useful for
* padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, DEC2OCT returns the #VALUE! error value.
* If places is zero or negative, DEC2OCT returns the #NUM! error value.
*/
public static function toOctal($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateDecimal($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$value = (int) floor((float) $value);
if ($value > self::LARGEST_OCTAL_IN_DECIMAL || $value < self::SMALLEST_OCTAL_IN_DECIMAL) {
return Functions::NAN();
}
$r = decoct($value);
$r = substr($r, -10);
return self::nbrConversionFormat($r, $places);
}
protected static function validateDecimal(string $value): string
{
if (strlen($value) > preg_match_all('/[-0123456789.]/', $value)) {
throw new Exception(Functions::VALUE());
}
return $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertHex extends ConvertBase
{
/**
* toBinary.
*
* Return a hex value as binary.
*
* Excel Function:
* HEX2BIN(x[,places])
*
* @param string $value The hexadecimal number you want to convert.
* Number cannot contain more than 10 characters.
* The most significant bit of number is the sign bit (40th bit from the right).
* The remaining 9 bits are magnitude bits.
* Negative numbers are represented using two's-complement notation.
* If number is negative, HEX2BIN ignores places and returns a 10-character binary number.
* If number is negative, it cannot be less than FFFFFFFE00,
* and if number is positive, it cannot be greater than 1FF.
* If number is not a valid hexadecimal number, HEX2BIN returns the #NUM! error value.
* If HEX2BIN requires more than places characters, it returns the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted,
* HEX2BIN uses the minimum number of characters necessary. Places
* is useful for padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, HEX2BIN returns the #VALUE! error value.
* If places is negative, HEX2BIN returns the #NUM! error value.
*/
public static function toBinary($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateHex($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$dec = self::toDecimal($value);
return ConvertDecimal::toBinary($dec, $places);
}
/**
* toDecimal.
*
* Return a hex value as decimal.
*
* Excel Function:
* HEX2DEC(x)
*
* @param string $value The hexadecimal number you want to convert. This number cannot
* contain more than 10 characters (40 bits). The most significant
* bit of number is the sign bit. The remaining 39 bits are magnitude
* bits. Negative numbers are represented using two's-complement
* notation.
* If number is not a valid hexadecimal number, HEX2DEC returns the
* #NUM! error value.
*/
public static function toDecimal($value): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateHex($value);
} catch (Exception $e) {
return $e->getMessage();
}
if (strlen($value) > 10) {
return Functions::NAN();
}
$binX = '';
foreach (str_split($value) as $char) {
$binX .= str_pad(base_convert($char, 16, 2), 4, '0', STR_PAD_LEFT);
}
if (strlen($binX) == 40 && $binX[0] == '1') {
for ($i = 0; $i < 40; ++$i) {
$binX[$i] = ($binX[$i] == '1' ? '0' : '1');
}
return (string) ((bindec($binX) + 1) * -1);
}
return (string) bindec($binX);
}
/**
* toOctal.
*
* Return a hex value as octal.
*
* Excel Function:
* HEX2OCT(x[,places])
*
* @param string $value The hexadecimal number you want to convert. Number cannot
* contain more than 10 characters. The most significant bit of
* number is the sign bit. The remaining 39 bits are magnitude
* bits. Negative numbers are represented using two's-complement
* notation.
* If number is negative, HEX2OCT ignores places and returns a
* 10-character octal number.
* If number is negative, it cannot be less than FFE0000000, and
* if number is positive, it cannot be greater than 1FFFFFFF.
* If number is not a valid hexadecimal number, HEX2OCT returns
* the #NUM! error value.
* If HEX2OCT requires more than places characters, it returns
* the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, HEX2OCT
* uses the minimum number of characters necessary. Places is
* useful for padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, HEX2OCT returns the #VALUE! error
* value.
* If places is negative, HEX2OCT returns the #NUM! error value.
*/
public static function toOctal($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateHex($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$decimal = self::toDecimal($value);
return ConvertDecimal::toOctal($decimal, $places);
}
protected static function validateHex(string $value): string
{
if (strlen($value) > preg_match_all('/[0123456789ABCDEF]/', $value)) {
throw new Exception(Functions::NAN());
}
return $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertOctal extends ConvertBase
{
/**
* toBinary.
*
* Return an octal value as binary.
*
* Excel Function:
* OCT2BIN(x[,places])
*
* @param string $value The octal number you want to convert. Number may not
* contain more than 10 characters. The most significant
* bit of number is the sign bit. The remaining 29 bits
* are magnitude bits. Negative numbers are represented
* using two's-complement notation.
* If number is negative, OCT2BIN ignores places and returns
* a 10-character binary number.
* If number is negative, it cannot be less than 7777777000,
* and if number is positive, it cannot be greater than 777.
* If number is not a valid octal number, OCT2BIN returns
* the #NUM! error value.
* If OCT2BIN requires more than places characters, it
* returns the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted,
* OCT2BIN uses the minimum number of characters necessary.
* Places is useful for padding the return value with
* leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, OCT2BIN returns the #VALUE!
* error value.
* If places is negative, OCT2BIN returns the #NUM! error
* value.
*/
public static function toBinary($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateOctal($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
return ConvertDecimal::toBinary(self::toDecimal($value), $places);
}
/**
* toDecimal.
*
* Return an octal value as decimal.
*
* Excel Function:
* OCT2DEC(x)
*
* @param string $value The octal number you want to convert. Number may not contain
* more than 10 octal characters (30 bits). The most significant
* bit of number is the sign bit. The remaining 29 bits are
* magnitude bits. Negative numbers are represented using
* two's-complement notation.
* If number is not a valid octal number, OCT2DEC returns the
* #NUM! error value.
*/
public static function toDecimal($value): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateOctal($value);
} catch (Exception $e) {
return $e->getMessage();
}
$binX = '';
foreach (str_split($value) as $char) {
$binX .= str_pad(decbin((int) $char), 3, '0', STR_PAD_LEFT);
}
if (strlen($binX) == 30 && $binX[0] == '1') {
for ($i = 0; $i < 30; ++$i) {
$binX[$i] = ($binX[$i] == '1' ? '0' : '1');
}
return (string) ((bindec($binX) + 1) * -1);
}
return (string) bindec($binX);
}
/**
* toHex.
*
* Return an octal value as hex.
*
* Excel Function:
* OCT2HEX(x[,places])
*
* @param string $value The octal number you want to convert. Number may not contain
* more than 10 octal characters (30 bits). The most significant
* bit of number is the sign bit. The remaining 29 bits are
* magnitude bits. Negative numbers are represented using
* two's-complement notation.
* If number is negative, OCT2HEX ignores places and returns a
* 10-character hexadecimal number.
* If number is not a valid octal number, OCT2HEX returns the
* #NUM! error value.
* If OCT2HEX requires more than places characters, it returns
* the #NUM! error value.
* @param int $places The number of characters to use. If places is omitted, OCT2HEX
* uses the minimum number of characters necessary. Places is useful
* for padding the return value with leading 0s (zeros).
* If places is not an integer, it is truncated.
* If places is nonnumeric, OCT2HEX returns the #VALUE! error value.
* If places is negative, OCT2HEX returns the #NUM! error value.
*/
public static function toHex($value, $places = null): string
{
try {
$value = self::validateValue(Functions::flattenSingleValue($value));
$value = self::validateOctal($value);
$places = self::validatePlaces(Functions::flattenSingleValue($places));
} catch (Exception $e) {
return $e->getMessage();
}
$hexVal = strtoupper(dechex((int) self::toDecimal($value)));
$hexVal = (PHP_INT_SIZE === 4 && strlen($value) === 10 && $value[0] >= '4') ? "FF$hexVal" : $hexVal;
return self::nbrConversionFormat($hexVal, $places);
}
protected static function validateOctal(string $value): string
{
$numDigits = (int) preg_match_all('/[01234567]/', $value);
if (strlen($value) > $numDigits || $numDigits > 10) {
throw new Exception(Functions::NAN());
}
return $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ConvertUOM
{
public const CATEGORY_WEIGHT_AND_MASS = 'Weight and Mass';
public const CATEGORY_DISTANCE = 'Distance';
public const CATEGORY_TIME = 'Time';
public const CATEGORY_PRESSURE = 'Pressure';
public const CATEGORY_FORCE = 'Force';
public const CATEGORY_ENERGY = 'Energy';
public const CATEGORY_POWER = 'Power';
public const CATEGORY_MAGNETISM = 'Magnetism';
public const CATEGORY_TEMPERATURE = 'Temperature';
public const CATEGORY_VOLUME = 'Volume and Liquid Measure';
public const CATEGORY_AREA = 'Area';
public const CATEGORY_INFORMATION = 'Information';
public const CATEGORY_SPEED = 'Speed';
/**
* Details of the Units of measure that can be used in CONVERTUOM().
*
* @var mixed[]
*/
private static $conversionUnits = [
// Weight and Mass
'g' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Gram', 'AllowPrefix' => true],
'sg' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Slug', 'AllowPrefix' => false],
'lbm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Pound mass (avoirdupois)', 'AllowPrefix' => false],
'u' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U (atomic mass unit)', 'AllowPrefix' => true],
'ozm' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Ounce mass (avoirdupois)', 'AllowPrefix' => false],
'grain' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Grain', 'AllowPrefix' => false],
'cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],
'shweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'U.S. (short) hundredweight', 'AllowPrefix' => false],
'uk_cwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
'lcwt' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
'hweight' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial hundredweight', 'AllowPrefix' => false],
'stone' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Stone', 'AllowPrefix' => false],
'ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Ton', 'AllowPrefix' => false],
'uk_ton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
'LTON' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
'brton' => ['Group' => self::CATEGORY_WEIGHT_AND_MASS, 'Unit Name' => 'Imperial ton', 'AllowPrefix' => false],
// Distance
'm' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Meter', 'AllowPrefix' => true],
'mi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Statute mile', 'AllowPrefix' => false],
'Nmi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Nautical mile', 'AllowPrefix' => false],
'in' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Inch', 'AllowPrefix' => false],
'ft' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Foot', 'AllowPrefix' => false],
'yd' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Yard', 'AllowPrefix' => false],
'ang' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Angstrom', 'AllowPrefix' => true],
'ell' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Ell', 'AllowPrefix' => false],
'ly' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Light Year', 'AllowPrefix' => false],
'parsec' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Parsec', 'AllowPrefix' => false],
'pc' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Parsec', 'AllowPrefix' => false],
'Pica' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/72 in)', 'AllowPrefix' => false],
'Picapt' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/72 in)', 'AllowPrefix' => false],
'pica' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'Pica (1/6 in)', 'AllowPrefix' => false],
'survey_mi' => ['Group' => self::CATEGORY_DISTANCE, 'Unit Name' => 'U.S survey mile (statute mile)', 'AllowPrefix' => false],
// Time
'yr' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Year', 'AllowPrefix' => false],
'day' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Day', 'AllowPrefix' => false],
'd' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Day', 'AllowPrefix' => false],
'hr' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Hour', 'AllowPrefix' => false],
'mn' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Minute', 'AllowPrefix' => false],
'min' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Minute', 'AllowPrefix' => false],
'sec' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Second', 'AllowPrefix' => true],
's' => ['Group' => self::CATEGORY_TIME, 'Unit Name' => 'Second', 'AllowPrefix' => true],
// Pressure
'Pa' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Pascal', 'AllowPrefix' => true],
'p' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Pascal', 'AllowPrefix' => true],
'atm' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Atmosphere', 'AllowPrefix' => true],
'at' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Atmosphere', 'AllowPrefix' => true],
'mmHg' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'mm of Mercury', 'AllowPrefix' => true],
'psi' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'PSI', 'AllowPrefix' => true],
'Torr' => ['Group' => self::CATEGORY_PRESSURE, 'Unit Name' => 'Torr', 'AllowPrefix' => true],
// Force
'N' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Newton', 'AllowPrefix' => true],
'dyn' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Dyne', 'AllowPrefix' => true],
'dy' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Dyne', 'AllowPrefix' => true],
'lbf' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Pound force', 'AllowPrefix' => false],
'pond' => ['Group' => self::CATEGORY_FORCE, 'Unit Name' => 'Pond', 'AllowPrefix' => true],
// Energy
'J' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Joule', 'AllowPrefix' => true],
'e' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Erg', 'AllowPrefix' => true],
'c' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Thermodynamic calorie', 'AllowPrefix' => true],
'cal' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'IT calorie', 'AllowPrefix' => true],
'eV' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Electron volt', 'AllowPrefix' => true],
'ev' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Electron volt', 'AllowPrefix' => true],
'HPh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => false],
'hh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => false],
'Wh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Watt-hour', 'AllowPrefix' => true],
'wh' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Watt-hour', 'AllowPrefix' => true],
'flb' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'Foot-pound', 'AllowPrefix' => false],
'BTU' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'BTU', 'AllowPrefix' => false],
'btu' => ['Group' => self::CATEGORY_ENERGY, 'Unit Name' => 'BTU', 'AllowPrefix' => false],
// Power
'HP' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Horsepower', 'AllowPrefix' => false],
'h' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Horsepower', 'AllowPrefix' => false],
'W' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Watt', 'AllowPrefix' => true],
'w' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Watt', 'AllowPrefix' => true],
'PS' => ['Group' => self::CATEGORY_POWER, 'Unit Name' => 'Pferdestärke', 'AllowPrefix' => false],
'T' => ['Group' => self::CATEGORY_MAGNETISM, 'Unit Name' => 'Tesla', 'AllowPrefix' => true],
'ga' => ['Group' => self::CATEGORY_MAGNETISM, 'Unit Name' => 'Gauss', 'AllowPrefix' => true],
// Temperature
'C' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Celsius', 'AllowPrefix' => false],
'cel' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Celsius', 'AllowPrefix' => false],
'F' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Fahrenheit', 'AllowPrefix' => false],
'fah' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Fahrenheit', 'AllowPrefix' => false],
'K' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Kelvin', 'AllowPrefix' => false],
'kel' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Kelvin', 'AllowPrefix' => false],
'Rank' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Rankine', 'AllowPrefix' => false],
'Reau' => ['Group' => self::CATEGORY_TEMPERATURE, 'Unit Name' => 'Degrees Réaumur', 'AllowPrefix' => false],
// Volume
'l' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
'L' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
'lt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Litre', 'AllowPrefix' => true],
'tsp' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Teaspoon', 'AllowPrefix' => false],
'tspm' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Modern Teaspoon', 'AllowPrefix' => false],
'tbs' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Tablespoon', 'AllowPrefix' => false],
'oz' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Fluid Ounce', 'AllowPrefix' => false],
'cup' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cup', 'AllowPrefix' => false],
'pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => false],
'us_pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => false],
'uk_pt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'U.K. Pint', 'AllowPrefix' => false],
'qt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Quart', 'AllowPrefix' => false],
'uk_qt' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Imperial Quart (UK)', 'AllowPrefix' => false],
'gal' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gallon', 'AllowPrefix' => false],
'uk_gal' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Imperial Gallon (UK)', 'AllowPrefix' => false],
'ang3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Angstrom', 'AllowPrefix' => true],
'ang^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Angstrom', 'AllowPrefix' => true],
'barrel' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'US Oil Barrel', 'AllowPrefix' => false],
'bushel' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'US Bushel', 'AllowPrefix' => false],
'in3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Inch', 'AllowPrefix' => false],
'in^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Inch', 'AllowPrefix' => false],
'ft3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Foot', 'AllowPrefix' => false],
'ft^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Foot', 'AllowPrefix' => false],
'ly3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Light Year', 'AllowPrefix' => false],
'ly^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Light Year', 'AllowPrefix' => false],
'm3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Meter', 'AllowPrefix' => true],
'm^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Meter', 'AllowPrefix' => true],
'mi3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Mile', 'AllowPrefix' => false],
'mi^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Mile', 'AllowPrefix' => false],
'yd3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Yard', 'AllowPrefix' => false],
'yd^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Yard', 'AllowPrefix' => false],
'Nmi3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Nautical Mile', 'AllowPrefix' => false],
'Nmi^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Nautical Mile', 'AllowPrefix' => false],
'Pica3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
'Pica^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
'Picapt3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
'Picapt^3' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Cubic Pica', 'AllowPrefix' => false],
'GRT' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gross Registered Ton', 'AllowPrefix' => false],
'regton' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Gross Registered Ton', 'AllowPrefix' => false],
'MTON' => ['Group' => self::CATEGORY_VOLUME, 'Unit Name' => 'Measurement Ton (Freight Ton)', 'AllowPrefix' => false],
// Area
'ha' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Hectare', 'AllowPrefix' => true],
'uk_acre' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'International Acre', 'AllowPrefix' => false],
'us_acre' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'US Survey/Statute Acre', 'AllowPrefix' => false],
'ang2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Angstrom', 'AllowPrefix' => true],
'ang^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Angstrom', 'AllowPrefix' => true],
'ar' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Are', 'AllowPrefix' => true],
'ft2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Feet', 'AllowPrefix' => false],
'ft^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Feet', 'AllowPrefix' => false],
'in2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Inches', 'AllowPrefix' => false],
'in^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Inches', 'AllowPrefix' => false],
'ly2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Light Years', 'AllowPrefix' => false],
'ly^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Light Years', 'AllowPrefix' => false],
'm2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Meters', 'AllowPrefix' => true],
'm^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Meters', 'AllowPrefix' => true],
'Morgen' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Morgen', 'AllowPrefix' => false],
'mi2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Miles', 'AllowPrefix' => false],
'mi^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Miles', 'AllowPrefix' => false],
'Nmi2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Nautical Miles', 'AllowPrefix' => false],
'Nmi^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Nautical Miles', 'AllowPrefix' => false],
'Pica2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
'Pica^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
'Picapt2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
'Picapt^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Pica', 'AllowPrefix' => false],
'yd2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Yards', 'AllowPrefix' => false],
'yd^2' => ['Group' => self::CATEGORY_AREA, 'Unit Name' => 'Square Yards', 'AllowPrefix' => false],
// Information
'byte' => ['Group' => self::CATEGORY_INFORMATION, 'Unit Name' => 'Byte', 'AllowPrefix' => true],
'bit' => ['Group' => self::CATEGORY_INFORMATION, 'Unit Name' => 'Bit', 'AllowPrefix' => true],
// Speed
'm/s' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per second', 'AllowPrefix' => true],
'm/sec' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per second', 'AllowPrefix' => true],
'm/h' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per hour', 'AllowPrefix' => true],
'm/hr' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Meters per hour', 'AllowPrefix' => true],
'mph' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Miles per hour', 'AllowPrefix' => false],
'admkn' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Admiralty Knot', 'AllowPrefix' => false],
'kn' => ['Group' => self::CATEGORY_SPEED, 'Unit Name' => 'Knot', 'AllowPrefix' => false],
];
/**
* Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
*
* @var mixed[]
*/
private static $conversionMultipliers = [
'Y' => ['multiplier' => 1E24, 'name' => 'yotta'],
'Z' => ['multiplier' => 1E21, 'name' => 'zetta'],
'E' => ['multiplier' => 1E18, 'name' => 'exa'],
'P' => ['multiplier' => 1E15, 'name' => 'peta'],
'T' => ['multiplier' => 1E12, 'name' => 'tera'],
'G' => ['multiplier' => 1E9, 'name' => 'giga'],
'M' => ['multiplier' => 1E6, 'name' => 'mega'],
'k' => ['multiplier' => 1E3, 'name' => 'kilo'],
'h' => ['multiplier' => 1E2, 'name' => 'hecto'],
'e' => ['multiplier' => 1E1, 'name' => 'dekao'],
'da' => ['multiplier' => 1E1, 'name' => 'dekao'],
'd' => ['multiplier' => 1E-1, 'name' => 'deci'],
'c' => ['multiplier' => 1E-2, 'name' => 'centi'],
'm' => ['multiplier' => 1E-3, 'name' => 'milli'],
'u' => ['multiplier' => 1E-6, 'name' => 'micro'],
'n' => ['multiplier' => 1E-9, 'name' => 'nano'],
'p' => ['multiplier' => 1E-12, 'name' => 'pico'],
'f' => ['multiplier' => 1E-15, 'name' => 'femto'],
'a' => ['multiplier' => 1E-18, 'name' => 'atto'],
'z' => ['multiplier' => 1E-21, 'name' => 'zepto'],
'y' => ['multiplier' => 1E-24, 'name' => 'yocto'],
];
/**
* Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
*
* @var mixed[]
*/
private static $binaryConversionMultipliers = [
'Yi' => ['multiplier' => 2 ** 80, 'name' => 'yobi'],
'Zi' => ['multiplier' => 2 ** 70, 'name' => 'zebi'],
'Ei' => ['multiplier' => 2 ** 60, 'name' => 'exbi'],
'Pi' => ['multiplier' => 2 ** 50, 'name' => 'pebi'],
'Ti' => ['multiplier' => 2 ** 40, 'name' => 'tebi'],
'Gi' => ['multiplier' => 2 ** 30, 'name' => 'gibi'],
'Mi' => ['multiplier' => 2 ** 20, 'name' => 'mebi'],
'ki' => ['multiplier' => 2 ** 10, 'name' => 'kibi'],
];
/**
* Details of the Units of measure conversion factors, organised by group.
*
* @var mixed[]
*/
private static $unitConversions = [
// Conversion uses gram (g) as an intermediate unit
self::CATEGORY_WEIGHT_AND_MASS => [
'g' => 1.0,
'sg' => 6.85217658567918E-05,
'lbm' => 2.20462262184878E-03,
'u' => 6.02214179421676E+23,
'ozm' => 3.52739619495804E-02,
'grain' => 1.54323583529414E+01,
'cwt' => 2.20462262184878E-05,
'shweight' => 2.20462262184878E-05,
'uk_cwt' => 1.96841305522212E-05,
'lcwt' => 1.96841305522212E-05,
'hweight' => 1.96841305522212E-05,
'stone' => 1.57473044417770E-04,
'ton' => 1.10231131092439E-06,
'uk_ton' => 9.84206527611061E-07,
'LTON' => 9.84206527611061E-07,
'brton' => 9.84206527611061E-07,
],
// Conversion uses meter (m) as an intermediate unit
self::CATEGORY_DISTANCE => [
'm' => 1.0,
'mi' => 6.21371192237334E-04,
'Nmi' => 5.39956803455724E-04,
'in' => 3.93700787401575E+01,
'ft' => 3.28083989501312E+00,
'yd' => 1.09361329833771E+00,
'ang' => 1.0E+10,
'ell' => 8.74890638670166E-01,
'ly' => 1.05700083402462E-16,
'parsec' => 3.24077928966473E-17,
'pc' => 3.24077928966473E-17,
'Pica' => 2.83464566929134E+03,
'Picapt' => 2.83464566929134E+03,
'pica' => 2.36220472440945E+02,
'survey_mi' => 6.21369949494950E-04,
],
// Conversion uses second (s) as an intermediate unit
self::CATEGORY_TIME => [
'yr' => 3.16880878140289E-08,
'day' => 1.15740740740741E-05,
'd' => 1.15740740740741E-05,
'hr' => 2.77777777777778E-04,
'mn' => 1.66666666666667E-02,
'min' => 1.66666666666667E-02,
'sec' => 1.0,
's' => 1.0,
],
// Conversion uses Pascal (Pa) as an intermediate unit
self::CATEGORY_PRESSURE => [
'Pa' => 1.0,
'p' => 1.0,
'atm' => 9.86923266716013E-06,
'at' => 9.86923266716013E-06,
'mmHg' => 7.50063755419211E-03,
'psi' => 1.45037737730209E-04,
'Torr' => 7.50061682704170E-03,
],
// Conversion uses Newton (N) as an intermediate unit
self::CATEGORY_FORCE => [
'N' => 1.0,
'dyn' => 1.0E+5,
'dy' => 1.0E+5,
'lbf' => 2.24808923655339E-01,
'pond' => 1.01971621297793E+02,
],
// Conversion uses Joule (J) as an intermediate unit
self::CATEGORY_ENERGY => [
'J' => 1.0,
'e' => 9.99999519343231E+06,
'c' => 2.39006249473467E-01,
'cal' => 2.38846190642017E-01,
'eV' => 6.24145700000000E+18,
'ev' => 6.24145700000000E+18,
'HPh' => 3.72506430801000E-07,
'hh' => 3.72506430801000E-07,
'Wh' => 2.77777916238711E-04,
'wh' => 2.77777916238711E-04,
'flb' => 2.37304222192651E+01,
'BTU' => 9.47815067349015E-04,
'btu' => 9.47815067349015E-04,
],
// Conversion uses Horsepower (HP) as an intermediate unit
self::CATEGORY_POWER => [
'HP' => 1.0,
'h' => 1.0,
'W' => 7.45699871582270E+02,
'w' => 7.45699871582270E+02,
'PS' => 1.01386966542400E+00,
],
// Conversion uses Tesla (T) as an intermediate unit
self::CATEGORY_MAGNETISM => [
'T' => 1.0,
'ga' => 10000.0,
],
// Conversion uses litre (l) as an intermediate unit
self::CATEGORY_VOLUME => [
'l' => 1.0,
'L' => 1.0,
'lt' => 1.0,
'tsp' => 2.02884136211058E+02,
'tspm' => 2.0E+02,
'tbs' => 6.76280454036860E+01,
'oz' => 3.38140227018430E+01,
'cup' => 4.22675283773038E+00,
'pt' => 2.11337641886519E+00,
'us_pt' => 2.11337641886519E+00,
'uk_pt' => 1.75975398639270E+00,
'qt' => 1.05668820943259E+00,
'uk_qt' => 8.79876993196351E-01,
'gal' => 2.64172052358148E-01,
'uk_gal' => 2.19969248299088E-01,
'ang3' => 1.0E+27,
'ang^3' => 1.0E+27,
'barrel' => 6.28981077043211E-03,
'bushel' => 2.83775932584017E-02,
'in3' => 6.10237440947323E+01,
'in^3' => 6.10237440947323E+01,
'ft3' => 3.53146667214886E-02,
'ft^3' => 3.53146667214886E-02,
'ly3' => 1.18093498844171E-51,
'ly^3' => 1.18093498844171E-51,
'm3' => 1.0E-03,
'm^3' => 1.0E-03,
'mi3' => 2.39912758578928E-13,
'mi^3' => 2.39912758578928E-13,
'yd3' => 1.30795061931439E-03,
'yd^3' => 1.30795061931439E-03,
'Nmi3' => 1.57426214685811E-13,
'Nmi^3' => 1.57426214685811E-13,
'Pica3' => 2.27769904358706E+07,
'Pica^3' => 2.27769904358706E+07,
'Picapt3' => 2.27769904358706E+07,
'Picapt^3' => 2.27769904358706E+07,
'GRT' => 3.53146667214886E-04,
'regton' => 3.53146667214886E-04,
'MTON' => 8.82866668037215E-04,
],
// Conversion uses hectare (ha) as an intermediate unit
self::CATEGORY_AREA => [
'ha' => 1.0,
'uk_acre' => 2.47105381467165E+00,
'us_acre' => 2.47104393046628E+00,
'ang2' => 1.0E+24,
'ang^2' => 1.0E+24,
'ar' => 1.0E+02,
'ft2' => 1.07639104167097E+05,
'ft^2' => 1.07639104167097E+05,
'in2' => 1.55000310000620E+07,
'in^2' => 1.55000310000620E+07,
'ly2' => 1.11725076312873E-28,
'ly^2' => 1.11725076312873E-28,
'm2' => 1.0E+04,
'm^2' => 1.0E+04,
'Morgen' => 4.0E+00,
'mi2' => 3.86102158542446E-03,
'mi^2' => 3.86102158542446E-03,
'Nmi2' => 2.91553349598123E-03,
'Nmi^2' => 2.91553349598123E-03,
'Pica2' => 8.03521607043214E+10,
'Pica^2' => 8.03521607043214E+10,
'Picapt2' => 8.03521607043214E+10,
'Picapt^2' => 8.03521607043214E+10,
'yd2' => 1.19599004630108E+04,
'yd^2' => 1.19599004630108E+04,
],
// Conversion uses bit (bit) as an intermediate unit
self::CATEGORY_INFORMATION => [
'bit' => 1.0,
'byte' => 0.125,
],
// Conversion uses Meters per Second (m/s) as an intermediate unit
self::CATEGORY_SPEED => [
'm/s' => 1.0,
'm/sec' => 1.0,
'm/h' => 3.60E+03,
'm/hr' => 3.60E+03,
'mph' => 2.23693629205440E+00,
'admkn' => 1.94260256941567E+00,
'kn' => 1.94384449244060E+00,
],
];
/**
* getConversionGroups
* Returns a list of the different conversion groups for UOM conversions.
*
* @return array
*/
public static function getConversionCategories()
{
$conversionGroups = [];
foreach (self::$conversionUnits as $conversionUnit) {
$conversionGroups[] = $conversionUnit['Group'];
}
return array_merge(array_unique($conversionGroups));
}
/**
* getConversionGroupUnits
* Returns an array of units of measure, for a specified conversion group, or for all groups.
*
* @param string $category The group whose units of measure you want to retrieve
*
* @return array
*/
public static function getConversionCategoryUnits($category = null)
{
$conversionGroups = [];
foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
if (($category === null) || ($conversionGroup['Group'] == $category)) {
$conversionGroups[$conversionGroup['Group']][] = $conversionUnit;
}
}
return $conversionGroups;
}
/**
* getConversionGroupUnitDetails.
*
* @param string $category The group whose units of measure you want to retrieve
*
* @return array
*/
public static function getConversionCategoryUnitDetails($category = null)
{
$conversionGroups = [];
foreach (self::$conversionUnits as $conversionUnit => $conversionGroup) {
if (($category === null) || ($conversionGroup['Group'] == $category)) {
$conversionGroups[$conversionGroup['Group']][] = [
'unit' => $conversionUnit,
'description' => $conversionGroup['Unit Name'],
];
}
}
return $conversionGroups;
}
/**
* getConversionMultipliers
* Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM().
*
* @return mixed[]
*/
public static function getConversionMultipliers()
{
return self::$conversionMultipliers;
}
/**
* getBinaryConversionMultipliers
* Returns an array of the additional Multiplier prefixes that can be used with Information Units of Measure in CONVERTUOM().
*
* @return mixed[]
*/
public static function getBinaryConversionMultipliers()
{
return self::$binaryConversionMultipliers;
}
/**
* CONVERT.
*
* Converts a number from one measurement system to another.
* For example, CONVERT can translate a table of distances in miles to a table of distances
* in kilometers.
*
* Excel Function:
* CONVERT(value,fromUOM,toUOM)
*
* @param float|int $value the value in fromUOM to convert
* @param string $fromUOM the units for value
* @param string $toUOM the units for the result
*
* @return float|string
*/
public static function CONVERT($value, $fromUOM, $toUOM)
{
$value = Functions::flattenSingleValue($value);
$fromUOM = Functions::flattenSingleValue($fromUOM);
$toUOM = Functions::flattenSingleValue($toUOM);
if (!is_numeric($value)) {
return Functions::VALUE();
}
try {
[$fromUOM, $fromCategory, $fromMultiplier] = self::getUOMDetails($fromUOM);
[$toUOM, $toCategory, $toMultiplier] = self::getUOMDetails($toUOM);
} catch (Exception $e) {
return Functions::NA();
}
if ($fromCategory !== $toCategory) {
return Functions::NA();
}
$value *= $fromMultiplier;
if (($fromUOM === $toUOM) && ($fromMultiplier === $toMultiplier)) {
// We've already factored $fromMultiplier into the value, so we need
// to reverse it again
return $value / $fromMultiplier;
} elseif ($fromUOM === $toUOM) {
return $value / $toMultiplier;
} elseif ($fromCategory === self::CATEGORY_TEMPERATURE) {
return self::convertTemperature($fromUOM, $toUOM, $value);
}
$baseValue = $value * (1.0 / self::$unitConversions[$fromCategory][$fromUOM]);
return ($baseValue * self::$unitConversions[$fromCategory][$toUOM]) / $toMultiplier;
}
private static function getUOMDetails(string $uom)
{
if (isset(self::$conversionUnits[$uom])) {
$unitCategory = self::$conversionUnits[$uom]['Group'];
return [$uom, $unitCategory, 1.0];
}
// Check 1-character standard metric multiplier prefixes
$multiplierType = substr($uom, 0, 1);
$uom = substr($uom, 1);
if (isset(self::$conversionUnits[$uom], self::$conversionMultipliers[$multiplierType])) {
if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
throw new Exception('Prefix not allowed for UoM');
}
$unitCategory = self::$conversionUnits[$uom]['Group'];
return [$uom, $unitCategory, self::$conversionMultipliers[$multiplierType]['multiplier']];
}
$multiplierType .= substr($uom, 0, 1);
$uom = substr($uom, 1);
// Check 2-character standard metric multiplier prefixes
if (isset(self::$conversionUnits[$uom], self::$conversionMultipliers[$multiplierType])) {
if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
throw new Exception('Prefix not allowed for UoM');
}
$unitCategory = self::$conversionUnits[$uom]['Group'];
return [$uom, $unitCategory, self::$conversionMultipliers[$multiplierType]['multiplier']];
}
// Check 2-character binary multiplier prefixes
if (isset(self::$conversionUnits[$uom], self::$binaryConversionMultipliers[$multiplierType])) {
if (self::$conversionUnits[$uom]['AllowPrefix'] === false) {
throw new Exception('Prefix not allowed for UoM');
}
$unitCategory = self::$conversionUnits[$uom]['Group'];
if ($unitCategory !== 'Information') {
throw new Exception('Binary Prefix is only allowed for Information UoM');
}
return [$uom, $unitCategory, self::$binaryConversionMultipliers[$multiplierType]['multiplier']];
}
throw new Exception('UoM Not Found');
}
/**
* @param float|int $value
*
* @return float|int
*/
protected static function convertTemperature(string $fromUOM, string $toUOM, $value)
{
$fromUOM = self::resolveTemperatureSynonyms($fromUOM);
$toUOM = self::resolveTemperatureSynonyms($toUOM);
if ($fromUOM === $toUOM) {
return $value;
}
// Convert to Kelvin
switch ($fromUOM) {
case 'F':
$value = ($value - 32) / 1.8 + 273.15;
break;
case 'C':
$value += 273.15;
break;
case 'Rank':
$value /= 1.8;
break;
case 'Reau':
$value = $value * 1.25 + 273.15;
break;
}
// Convert from Kelvin
switch ($toUOM) {
case 'F':
$value = ($value - 273.15) * 1.8 + 32.00;
break;
case 'C':
$value -= 273.15;
break;
case 'Rank':
$value *= 1.8;
break;
case 'Reau':
$value = ($value - 273.15) * 0.80000;
break;
}
return $value;
}
private static function resolveTemperatureSynonyms(string $uom)
{
switch ($uom) {
case 'fah':
return 'F';
case 'cel':
return 'C';
case 'kel':
return 'K';
}
return $uom;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class EngineeringValidations
{
/**
* @param mixed $value
*/
public static function validateFloat($value): float
{
if (!is_numeric($value)) {
throw new Exception(Functions::VALUE());
}
return (float) $value;
}
/**
* @param mixed $value
*/
public static function validateInt($value): int
{
if (!is_numeric($value)) {
throw new Exception(Functions::VALUE());
}
return (int) floor((float) $value);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Erf
{
private static $twoSqrtPi = 1.128379167095512574;
/**
* ERF.
*
* Returns the error function integrated between the lower and upper bound arguments.
*
* Note: In Excel 2007 or earlier, if you input a negative value for the upper or lower bound arguments,
* the function would return a #NUM! error. However, in Excel 2010, the function algorithm was
* improved, so that it can now calculate the function for both positive and negative ranges.
* PhpSpreadsheet follows Excel 2010 behaviour, and accepts negative arguments.
*
* Excel Function:
* ERF(lower[,upper])
*
* @param mixed $lower Lower bound float for integrating ERF
* @param mixed $upper Upper bound float for integrating ERF.
* If omitted, ERF integrates between zero and lower_limit
*
* @return float|string
*/
public static function ERF($lower, $upper = null)
{
$lower = Functions::flattenSingleValue($lower);
$upper = Functions::flattenSingleValue($upper);
if (is_numeric($lower)) {
if ($upper === null) {
return self::erfValue($lower);
}
if (is_numeric($upper)) {
return self::erfValue($upper) - self::erfValue($lower);
}
}
return Functions::VALUE();
}
/**
* ERFPRECISE.
*
* Returns the error function integrated between the lower and upper bound arguments.
*
* Excel Function:
* ERF.PRECISE(limit)
*
* @param mixed $limit Float bound for integrating ERF, other bound is zero
*
* @return float|string
*/
public static function ERFPRECISE($limit)
{
$limit = Functions::flattenSingleValue($limit);
return self::ERF($limit);
}
//
// Private method to calculate the erf value
//
public static function erfValue($value)
{
if (abs($value) > 2.2) {
return 1 - ErfC::ERFC($value);
}
$sum = $term = $value;
$xsqr = ($value * $value);
$j = 1;
do {
$term *= $xsqr / $j;
$sum -= $term / (2 * $j + 1);
++$j;
$term *= $xsqr / $j;
$sum += $term / (2 * $j + 1);
++$j;
if ($sum == 0.0) {
break;
}
} while (abs($term / $sum) > Functions::PRECISION);
return self::$twoSqrtPi * $sum;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Engineering;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class ErfC
{
/**
* ERFC.
*
* Returns the complementary ERF function integrated between x and infinity
*
* Note: In Excel 2007 or earlier, if you input a negative value for the lower bound argument,
* the function would return a #NUM! error. However, in Excel 2010, the function algorithm was
* improved, so that it can now calculate the function for both positive and negative x values.
* PhpSpreadsheet follows Excel 2010 behaviour, and accepts nagative arguments.
*
* Excel Function:
* ERFC(x)
*
* @param mixed $value The float lower bound for integrating ERFC
*
* @return float|string
*/
public static function ERFC($value)
{
$value = Functions::flattenSingleValue($value);
if (is_numeric($value)) {
return self::erfcValue($value);
}
return Functions::VALUE();
}
//
// Private method to calculate the erfc value
//
private static $oneSqrtPi = 0.564189583547756287;
private static function erfcValue($value)
{
if (abs($value) < 2.2) {
return 1 - Erf::erfValue($value);
}
if ($value < 0) {
return 2 - self::ERFC(-$value);
}
$a = $n = 1;
$b = $c = $value;
$d = ($value * $value) + 0.5;
$q1 = $q2 = $b / $d;
do {
$t = $a * $n + $b * $value;
$a = $b;
$b = $t;
$t = $c * $n + $d * $value;
$c = $d;
$d = $t;
$n += 0.5;
$q1 = $q2;
$q2 = $b / $d;
} while ((abs($q1 - $q2) / $q2) > Functions::PRECISION);
return self::$oneSqrtPi * exp(-$value * $value) * $q2;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use PhpOffice\PhpSpreadsheet\Exception as PhpSpreadsheetException;
class Exception extends PhpSpreadsheetException
{
/**
* Error handler callback.
*
* @param mixed $code
* @param mixed $string
* @param mixed $file
* @param mixed $line
* @param mixed $context
*/
public static function errorHandlerCallback($code, $string, $file, $line, $context): void
{
$e = new self($string, $code);
$e->line = $line;
$e->file = $file;
throw $e;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
class ExceptionHandler
{
/**
* Register errorhandler.
*/
public function __construct()
{
set_error_handler([Exception::class, 'errorHandlerCallback'], E_ALL);
}
/**
* Unregister errorhandler.
*/
public function __destruct()
{
restore_error_handler();
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Amortization
{
/**
* AMORDEGRC.
*
* Returns the depreciation for each accounting period.
* This function is provided for the French accounting system. If an asset is purchased in
* the middle of the accounting period, the prorated depreciation is taken into account.
* The function is similar to AMORLINC, except that a depreciation coefficient is applied in
* the calculation depending on the life of the assets.
* This function will return the depreciation until the last period of the life of the assets
* or until the cumulated value of depreciation is greater than the cost of the assets minus
* the salvage value.
*
* Excel Function:
* AMORDEGRC(cost,purchased,firstPeriod,salvage,period,rate[,basis])
*
* @param mixed $cost The float cost of the asset
* @param mixed $purchased Date of the purchase of the asset
* @param mixed $firstPeriod Date of the end of the first period
* @param mixed $salvage The salvage value at the end of the life of the asset
* @param mixed $period the period (float)
* @param mixed $rate rate of depreciation (float)
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string (string containing the error type if there is an error)
*/
public static function AMORDEGRC(
$cost,
$purchased,
$firstPeriod,
$salvage,
$period,
$rate,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$cost = Functions::flattenSingleValue($cost);
$purchased = Functions::flattenSingleValue($purchased);
$firstPeriod = Functions::flattenSingleValue($firstPeriod);
$salvage = Functions::flattenSingleValue($salvage);
$period = Functions::flattenSingleValue($period);
$rate = Functions::flattenSingleValue($rate);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$cost = FinancialValidations::validateFloat($cost);
$purchased = FinancialValidations::validateDate($purchased);
$firstPeriod = FinancialValidations::validateDate($firstPeriod);
$salvage = FinancialValidations::validateFloat($salvage);
$period = FinancialValidations::validateInt($period);
$rate = FinancialValidations::validateFloat($rate);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$yearFrac = DateTimeExcel\YearFrac::fraction($purchased, $firstPeriod, $basis);
if (is_string($yearFrac)) {
return $yearFrac;
}
$amortiseCoeff = self::getAmortizationCoefficient($rate);
$rate *= $amortiseCoeff;
$fNRate = round($yearFrac * $rate * $cost, 0);
$cost -= $fNRate;
$fRest = $cost - $salvage;
for ($n = 0; $n < $period; ++$n) {
$fNRate = round($rate * $cost, 0);
$fRest -= $fNRate;
if ($fRest < 0.0) {
switch ($period - $n) {
case 0:
case 1:
return round($cost * 0.5, 0);
default:
return 0.0;
}
}
$cost -= $fNRate;
}
return $fNRate;
}
/**
* AMORLINC.
*
* Returns the depreciation for each accounting period.
* This function is provided for the French accounting system. If an asset is purchased in
* the middle of the accounting period, the prorated depreciation is taken into account.
*
* Excel Function:
* AMORLINC(cost,purchased,firstPeriod,salvage,period,rate[,basis])
*
* @param mixed $cost The cost of the asset as a float
* @param mixed $purchased Date of the purchase of the asset
* @param mixed $firstPeriod Date of the end of the first period
* @param mixed $salvage The salvage value at the end of the life of the asset
* @param mixed $period The period as a float
* @param mixed $rate Rate of depreciation as float
* @param mixed $basis Integer indicating the type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string (string containing the error type if there is an error)
*/
public static function AMORLINC(
$cost,
$purchased,
$firstPeriod,
$salvage,
$period,
$rate,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$cost = Functions::flattenSingleValue($cost);
$purchased = Functions::flattenSingleValue($purchased);
$firstPeriod = Functions::flattenSingleValue($firstPeriod);
$salvage = Functions::flattenSingleValue($salvage);
$period = Functions::flattenSingleValue($period);
$rate = Functions::flattenSingleValue($rate);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$cost = FinancialValidations::validateFloat($cost);
$purchased = FinancialValidations::validateDate($purchased);
$firstPeriod = FinancialValidations::validateDate($firstPeriod);
$salvage = FinancialValidations::validateFloat($salvage);
$period = FinancialValidations::validateFloat($period);
$rate = FinancialValidations::validateFloat($rate);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$fOneRate = $cost * $rate;
$fCostDelta = $cost - $salvage;
// Note, quirky variation for leap years on the YEARFRAC for this function
$purchasedYear = DateTimeExcel\DateParts::year($purchased);
$yearFrac = DateTimeExcel\YearFrac::fraction($purchased, $firstPeriod, $basis);
if (is_string($yearFrac)) {
return $yearFrac;
}
if (
($basis == FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL) &&
($yearFrac < 1) && (DateTimeExcel\Helpers::isLeapYear($purchasedYear))
) {
$yearFrac *= 365 / 366;
}
$f0Rate = $yearFrac * $rate * $cost;
$nNumOfFullPeriods = (int) (($cost - $salvage - $f0Rate) / $fOneRate);
if ($period == 0) {
return $f0Rate;
} elseif ($period <= $nNumOfFullPeriods) {
return $fOneRate;
} elseif ($period == ($nNumOfFullPeriods + 1)) {
return $fCostDelta - $fOneRate * $nNumOfFullPeriods - $f0Rate;
}
return 0.0;
}
private static function getAmortizationCoefficient(float $rate): float
{
// The depreciation coefficients are:
// Life of assets (1/rate) Depreciation coefficient
// Less than 3 years 1
// Between 3 and 4 years 1.5
// Between 5 and 6 years 2
// More than 6 years 2.5
$fUsePer = 1.0 / $rate;
if ($fUsePer < 3.0) {
return 1.0;
} elseif ($fUsePer < 4.0) {
return 1.5;
} elseif ($fUsePer <= 6.0) {
return 2.0;
}
return 2.5;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\FinancialValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class CashFlowValidations extends FinancialValidations
{
/**
* @param mixed $rate
*/
public static function validateRate($rate): float
{
$rate = self::validateFloat($rate);
return $rate;
}
/**
* @param mixed $type
*/
public static function validatePeriodType($type): int
{
$rate = self::validateInt($type);
if (
$type !== FinancialConstants::PAYMENT_END_OF_PERIOD &&
$type !== FinancialConstants::PAYMENT_BEGINNING_OF_PERIOD
) {
throw new Exception(Functions::NAN());
}
return $rate;
}
/**
* @param mixed $presentValue
*/
public static function validatePresentValue($presentValue): float
{
return self::validateFloat($presentValue);
}
/**
* @param mixed $futureValue
*/
public static function validateFutureValue($futureValue): float
{
return self::validateFloat($futureValue);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\CashFlowValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Periodic
{
/**
* FV.
*
* Returns the Future Value of a cash flow with constant payments and interest rate (annuities).
*
* Excel Function:
* FV(rate,nper,pmt[,pv[,type]])
*
* @param mixed $rate The interest rate per period
* @param mixed $numberOfPeriods Total number of payment periods in an annuity as an integer
* @param mixed $payment The payment made each period: it cannot change over the
* life of the annuity. Typically, pmt contains principal
* and interest but no other fees or taxes.
* @param mixed $presentValue present Value, or the lump-sum amount that a series of
* future payments is worth right now
* @param mixed $type A number 0 or 1 and indicates when payments are due:
* 0 or omitted At the end of the period.
* 1 At the beginning of the period.
*
* @return float|string
*/
public static function futureValue(
$rate,
$numberOfPeriods,
$payment = 0.0,
$presentValue = 0.0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$rate = Functions::flattenSingleValue($rate);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$payment = ($payment === null) ? 0.0 : Functions::flattenSingleValue($payment);
$presentValue = ($presentValue === null) ? 0.0 : Functions::flattenSingleValue($presentValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$rate = CashFlowValidations::validateRate($rate);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$payment = CashFlowValidations::validateFloat($payment);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
return self::calculateFutureValue($rate, $numberOfPeriods, $payment, $presentValue, $type);
}
/**
* PV.
*
* Returns the Present Value of a cash flow with constant payments and interest rate (annuities).
*
* @param mixed $rate Interest rate per period
* @param mixed $numberOfPeriods Number of periods as an integer
* @param mixed $payment Periodic payment (annuity)
* @param mixed $futureValue Future Value
* @param mixed $type Payment type: 0 = at the end of each period, 1 = at the beginning of each period
*
* @return float|string Result, or a string containing an error
*/
public static function presentValue(
$rate,
$numberOfPeriods,
$payment = 0.0,
$futureValue = 0.0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$rate = Functions::flattenSingleValue($rate);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$payment = ($payment === null) ? 0.0 : Functions::flattenSingleValue($payment);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$rate = CashFlowValidations::validateRate($rate);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$payment = CashFlowValidations::validateFloat($payment);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($numberOfPeriods < 0) {
return Functions::NAN();
}
return self::calculatePresentValue($rate, $numberOfPeriods, $payment, $futureValue, $type);
}
/**
* NPER.
*
* Returns the number of periods for a cash flow with constant periodic payments (annuities), and interest rate.
*
* @param mixed $rate Interest rate per period
* @param mixed $payment Periodic payment (annuity)
* @param mixed $presentValue Present Value
* @param mixed $futureValue Future Value
* @param mixed $type Payment type: 0 = at the end of each period, 1 = at the beginning of each period
*
* @return float|string Result, or a string containing an error
*/
public static function periods(
$rate,
$payment,
$presentValue,
$futureValue = 0.0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$rate = Functions::flattenSingleValue($rate);
$payment = Functions::flattenSingleValue($payment);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$rate = CashFlowValidations::validateRate($rate);
$payment = CashFlowValidations::validateFloat($payment);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($payment == 0.0) {
return Functions::NAN();
}
return self::calculatePeriods($rate, $payment, $presentValue, $futureValue, $type);
}
private static function calculateFutureValue(
float $rate,
int $numberOfPeriods,
float $payment,
float $presentValue,
int $type
): float {
if ($rate !== null && $rate != 0) {
return -$presentValue *
(1 + $rate) ** $numberOfPeriods - $payment * (1 + $rate * $type) * ((1 + $rate) ** $numberOfPeriods - 1)
/ $rate;
}
return -$presentValue - $payment * $numberOfPeriods;
}
private static function calculatePresentValue(
float $rate,
int $numberOfPeriods,
float $payment,
float $futureValue,
int $type
): float {
if ($rate != 0.0) {
return (-$payment * (1 + $rate * $type)
* (((1 + $rate) ** $numberOfPeriods - 1) / $rate) - $futureValue) / (1 + $rate) ** $numberOfPeriods;
}
return -$futureValue - $payment * $numberOfPeriods;
}
/**
* @return float|string
*/
private static function calculatePeriods(
float $rate,
float $payment,
float $presentValue,
float $futureValue,
int $type
) {
if ($rate != 0.0) {
if ($presentValue == 0.0) {
return Functions::NAN();
}
return log(($payment * (1 + $rate * $type) / $rate - $futureValue) /
($presentValue + $payment * (1 + $rate * $type) / $rate)) / log(1 + $rate);
}
return (-$presentValue - $futureValue) / $payment;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\CashFlowValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Cumulative
{
/**
* CUMIPMT.
*
* Returns the cumulative interest paid on a loan between the start and end periods.
*
* Excel Function:
* CUMIPMT(rate,nper,pv,start,end[,type])
*
* @param mixed $rate The Interest rate
* @param mixed $periods The total number of payment periods
* @param mixed $presentValue Present Value
* @param mixed $start The first period in the calculation.
* Payment periods are numbered beginning with 1.
* @param mixed $end the last period in the calculation
* @param mixed $type A number 0 or 1 and indicates when payments are due:
* 0 or omitted At the end of the period.
* 1 At the beginning of the period.
*
* @return float|string
*/
public static function interest(
$rate,
$periods,
$presentValue,
$start,
$end,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$rate = Functions::flattenSingleValue($rate);
$periods = Functions::flattenSingleValue($periods);
$presentValue = Functions::flattenSingleValue($presentValue);
$start = Functions::flattenSingleValue($start);
$end = Functions::flattenSingleValue($end);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$rate = CashFlowValidations::validateRate($rate);
$periods = CashFlowValidations::validateInt($periods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$start = CashFlowValidations::validateInt($start);
$end = CashFlowValidations::validateInt($end);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($start < 1 || $start > $end) {
return Functions::NAN();
}
// Calculate
$interest = 0;
for ($per = $start; $per <= $end; ++$per) {
$ipmt = Interest::payment($rate, $per, $periods, $presentValue, 0, $type);
if (is_string($ipmt)) {
return $ipmt;
}
$interest += $ipmt;
}
return $interest;
}
/**
* CUMPRINC.
*
* Returns the cumulative principal paid on a loan between the start and end periods.
*
* Excel Function:
* CUMPRINC(rate,nper,pv,start,end[,type])
*
* @param mixed $rate The Interest rate
* @param mixed $periods The total number of payment periods as an integer
* @param mixed $presentValue Present Value
* @param mixed $start The first period in the calculation.
* Payment periods are numbered beginning with 1.
* @param mixed $end the last period in the calculation
* @param mixed $type A number 0 or 1 and indicates when payments are due:
* 0 or omitted At the end of the period.
* 1 At the beginning of the period.
*
* @return float|string
*/
public static function principal(
$rate,
$periods,
$presentValue,
$start,
$end,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$rate = Functions::flattenSingleValue($rate);
$periods = Functions::flattenSingleValue($periods);
$presentValue = Functions::flattenSingleValue($presentValue);
$start = Functions::flattenSingleValue($start);
$end = Functions::flattenSingleValue($end);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$rate = CashFlowValidations::validateRate($rate);
$periods = CashFlowValidations::validateInt($periods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$start = CashFlowValidations::validateInt($start);
$end = CashFlowValidations::validateInt($end);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($start < 1 || $start > $end) {
return Functions::VALUE();
}
// Calculate
$principal = 0;
for ($per = $start; $per <= $end; ++$per) {
$ppmt = Payments::interestPayment($rate, $per, $periods, $presentValue, 0, $type);
if (is_string($ppmt)) {
return $ppmt;
}
$principal += $ppmt;
}
return $principal;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\CashFlowValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Interest
{
private const FINANCIAL_MAX_ITERATIONS = 128;
private const FINANCIAL_PRECISION = 1.0e-08;
/**
* IPMT.
*
* Returns the interest payment for a given period for an investment based on periodic, constant payments
* and a constant interest rate.
*
* Excel Function:
* IPMT(rate,per,nper,pv[,fv][,type])
*
* @param mixed $interestRate Interest rate per period
* @param mixed $period Period for which we want to find the interest
* @param mixed $numberOfPeriods Number of periods
* @param mixed $presentValue Present Value
* @param mixed $futureValue Future Value
* @param mixed $type Payment type: 0 = at the end of each period, 1 = at the beginning of each period
*
* @return float|string
*/
public static function payment(
$interestRate,
$period,
$numberOfPeriods,
$presentValue,
$futureValue = 0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$interestRate = Functions::flattenSingleValue($interestRate);
$period = Functions::flattenSingleValue($period);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$interestRate = CashFlowValidations::validateRate($interestRate);
$period = CashFlowValidations::validateInt($period);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($period <= 0 || $period > $numberOfPeriods) {
return Functions::NAN();
}
// Calculate
$interestAndPrincipal = new InterestAndPrincipal(
$interestRate,
$period,
$numberOfPeriods,
$presentValue,
$futureValue,
$type
);
return $interestAndPrincipal->interest();
}
/**
* ISPMT.
*
* Returns the interest payment for an investment based on an interest rate and a constant payment schedule.
*
* Excel Function:
* =ISPMT(interest_rate, period, number_payments, pv)
*
* @param mixed $interestRate is the interest rate for the investment
* @param mixed $period is the period to calculate the interest rate. It must be betweeen 1 and number_payments.
* @param mixed $numberOfPeriods is the number of payments for the annuity
* @param mixed $principleRemaining is the loan amount or present value of the payments
*/
public static function schedulePayment($interestRate, $period, $numberOfPeriods, $principleRemaining)
{
$interestRate = Functions::flattenSingleValue($interestRate);
$period = Functions::flattenSingleValue($period);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$principleRemaining = Functions::flattenSingleValue($principleRemaining);
try {
$interestRate = CashFlowValidations::validateRate($interestRate);
$period = CashFlowValidations::validateInt($period);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$principleRemaining = CashFlowValidations::validateFloat($principleRemaining);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($period <= 0 || $period > $numberOfPeriods) {
return Functions::NAN();
}
// Return value
$returnValue = 0;
// Calculate
$principlePayment = ($principleRemaining * 1.0) / ($numberOfPeriods * 1.0);
for ($i = 0; $i <= $period; ++$i) {
$returnValue = $interestRate * $principleRemaining * -1;
$principleRemaining -= $principlePayment;
// principle needs to be 0 after the last payment, don't let floating point screw it up
if ($i == $numberOfPeriods) {
$returnValue = 0.0;
}
}
return $returnValue;
}
/**
* RATE.
*
* Returns the interest rate per period of an annuity.
* RATE is calculated by iteration and can have zero or more solutions.
* If the successive results of RATE do not converge to within 0.0000001 after 20 iterations,
* RATE returns the #NUM! error value.
*
* Excel Function:
* RATE(nper,pmt,pv[,fv[,type[,guess]]])
*
* @param mixed $numberOfPeriods The total number of payment periods in an annuity
* @param mixed $payment The payment made each period and cannot change over the life of the annuity.
* Typically, pmt includes principal and interest but no other fees or taxes.
* @param mixed $presentValue The present value - the total amount that a series of future payments is worth now
* @param mixed $futureValue The future value, or a cash balance you want to attain after the last payment is made.
* If fv is omitted, it is assumed to be 0 (the future value of a loan,
* for example, is 0).
* @param mixed $type A number 0 or 1 and indicates when payments are due:
* 0 or omitted At the end of the period.
* 1 At the beginning of the period.
* @param mixed $guess Your guess for what the rate will be.
* If you omit guess, it is assumed to be 10 percent.
*
* @return float|string
*/
public static function rate(
$numberOfPeriods,
$payment,
$presentValue,
$futureValue = 0.0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD,
$guess = 0.1
) {
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$payment = Functions::flattenSingleValue($payment);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
$guess = ($guess === null) ? 0.1 : Functions::flattenSingleValue($guess);
try {
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$payment = CashFlowValidations::validateFloat($payment);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
$guess = CashFlowValidations::validateFloat($guess);
} catch (Exception $e) {
return $e->getMessage();
}
$rate = $guess;
// rest of code adapted from python/numpy
$close = false;
$iter = 0;
while (!$close && $iter < self::FINANCIAL_MAX_ITERATIONS) {
$nextdiff = self::rateNextGuess($rate, $numberOfPeriods, $payment, $presentValue, $futureValue, $type);
if (!is_numeric($nextdiff)) {
break;
}
$rate1 = $rate - $nextdiff;
$close = abs($rate1 - $rate) < self::FINANCIAL_PRECISION;
++$iter;
$rate = $rate1;
}
return $close ? $rate : Functions::NAN();
}
private static function rateNextGuess($rate, $numberOfPeriods, $payment, $presentValue, $futureValue, $type)
{
if ($rate == 0.0) {
return Functions::NAN();
}
$tt1 = ($rate + 1) ** $numberOfPeriods;
$tt2 = ($rate + 1) ** ($numberOfPeriods - 1);
$numerator = $futureValue + $tt1 * $presentValue + $payment * ($tt1 - 1) * ($rate * $type + 1) / $rate;
$denominator = $numberOfPeriods * $tt2 * $presentValue - $payment * ($tt1 - 1)
* ($rate * $type + 1) / ($rate * $rate) + $numberOfPeriods
* $payment * $tt2 * ($rate * $type + 1) / $rate + $payment * ($tt1 - 1) * $type / $rate;
if ($denominator == 0) {
return Functions::NAN();
}
return $numerator / $denominator;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
class InterestAndPrincipal
{
protected $interest;
protected $principal;
public function __construct(
float $rate = 0.0,
int $period = 0,
int $numberOfPeriods = 0,
float $presentValue = 0,
float $futureValue = 0,
int $type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$payment = Payments::annuity($rate, $numberOfPeriods, $presentValue, $futureValue, $type);
$capital = $presentValue;
$interest = 0.0;
$principal = 0.0;
for ($i = 1; $i <= $period; ++$i) {
$interest = ($type === FinancialConstants::PAYMENT_BEGINNING_OF_PERIOD && $i == 1) ? 0 : -$capital * $rate;
$principal = $payment - $interest;
$capital += $principal;
}
$this->interest = $interest;
$this->principal = $principal;
}
public function interest(): float
{
return $this->interest;
}
public function principal(): float
{
return $this->principal;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Constant\Periodic;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\CashFlowValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Payments
{
/**
* PMT.
*
* Returns the constant payment (annuity) for a cash flow with a constant interest rate.
*
* @param mixed $interestRate Interest rate per period
* @param mixed $numberOfPeriods Number of periods
* @param mixed $presentValue Present Value
* @param mixed $futureValue Future Value
* @param mixed $type Payment type: 0 = at the end of each period, 1 = at the beginning of each period
*
* @return float|string Result, or a string containing an error
*/
public static function annuity(
$interestRate,
$numberOfPeriods,
$presentValue,
$futureValue = 0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$interestRate = Functions::flattenSingleValue($interestRate);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$interestRate = CashFlowValidations::validateRate($interestRate);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Calculate
if ($interestRate != 0.0) {
return (-$futureValue - $presentValue * (1 + $interestRate) ** $numberOfPeriods) /
(1 + $interestRate * $type) / (((1 + $interestRate) ** $numberOfPeriods - 1) / $interestRate);
}
return (-$presentValue - $futureValue) / $numberOfPeriods;
}
/**
* PPMT.
*
* Returns the interest payment for a given period for an investment based on periodic, constant payments
* and a constant interest rate.
*
* @param mixed $interestRate Interest rate per period
* @param mixed $period Period for which we want to find the interest
* @param mixed $numberOfPeriods Number of periods
* @param mixed $presentValue Present Value
* @param mixed $futureValue Future Value
* @param mixed $type Payment type: 0 = at the end of each period, 1 = at the beginning of each period
*
* @return float|string Result, or a string containing an error
*/
public static function interestPayment(
$interestRate,
$period,
$numberOfPeriods,
$presentValue,
$futureValue = 0,
$type = FinancialConstants::PAYMENT_END_OF_PERIOD
) {
$interestRate = Functions::flattenSingleValue($interestRate);
$period = Functions::flattenSingleValue($period);
$numberOfPeriods = Functions::flattenSingleValue($numberOfPeriods);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = ($futureValue === null) ? 0.0 : Functions::flattenSingleValue($futureValue);
$type = ($type === null) ? FinancialConstants::PAYMENT_END_OF_PERIOD : Functions::flattenSingleValue($type);
try {
$interestRate = CashFlowValidations::validateRate($interestRate);
$period = CashFlowValidations::validateInt($period);
$numberOfPeriods = CashFlowValidations::validateInt($numberOfPeriods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
$type = CashFlowValidations::validatePeriodType($type);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($period <= 0 || $period > $numberOfPeriods) {
return Functions::NAN();
}
// Calculate
$interestAndPrincipal = new InterestAndPrincipal(
$interestRate,
$period,
$numberOfPeriods,
$presentValue,
$futureValue,
$type
);
return $interestAndPrincipal->principal();
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Single
{
/**
* FVSCHEDULE.
*
* Returns the future value of an initial principal after applying a series of compound interest rates.
* Use FVSCHEDULE to calculate the future value of an investment with a variable or adjustable rate.
*
* Excel Function:
* FVSCHEDULE(principal,schedule)
*
* @param mixed $principal the present value
* @param float[] $schedule an array of interest rates to apply
*
* @return float|string
*/
public static function futureValue($principal, $schedule)
{
$principal = Functions::flattenSingleValue($principal);
$schedule = Functions::flattenArray($schedule);
try {
$principal = CashFlowValidations::validateFloat($principal);
foreach ($schedule as $rate) {
$rate = CashFlowValidations::validateFloat($rate);
$principal *= 1 + $rate;
}
} catch (Exception $e) {
return $e->getMessage();
}
return $principal;
}
/**
* PDURATION.
*
* Calculates the number of periods required for an investment to reach a specified value.
*
* @param mixed $rate Interest rate per period
* @param mixed $presentValue Present Value
* @param mixed $futureValue Future Value
*
* @return float|string Result, or a string containing an error
*/
public static function periods($rate, $presentValue, $futureValue)
{
$rate = Functions::flattenSingleValue($rate);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = Functions::flattenSingleValue($futureValue);
try {
$rate = CashFlowValidations::validateRate($rate);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($rate <= 0.0 || $presentValue <= 0.0 || $futureValue <= 0.0) {
return Functions::NAN();
}
return (log($futureValue) - log($presentValue)) / log(1 + $rate);
}
/**
* RRI.
*
* Calculates the interest rate required for an investment to grow to a specified future value .
*
* @param float $periods The number of periods over which the investment is made
* @param float $presentValue Present Value
* @param float $futureValue Future Value
*
* @return float|string Result, or a string containing an error
*/
public static function interestRate($periods = 0.0, $presentValue = 0.0, $futureValue = 0.0)
{
$periods = Functions::flattenSingleValue($periods);
$presentValue = Functions::flattenSingleValue($presentValue);
$futureValue = Functions::flattenSingleValue($futureValue);
try {
$periods = CashFlowValidations::validateFloat($periods);
$presentValue = CashFlowValidations::validatePresentValue($presentValue);
$futureValue = CashFlowValidations::validateFutureValue($futureValue);
} catch (Exception $e) {
return $e->getMessage();
}
// Validate parameters
if ($periods <= 0.0 || $presentValue <= 0.0 || $futureValue < 0.0) {
return Functions::NAN();
}
return ($futureValue / $presentValue) ** (1 / $periods) - 1;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class NonPeriodic
{
const FINANCIAL_MAX_ITERATIONS = 128;
const FINANCIAL_PRECISION = 1.0e-08;
/**
* XIRR.
*
* Returns the internal rate of return for a schedule of cash flows that is not necessarily periodic.
*
* Excel Function:
* =XIRR(values,dates,guess)
*
* @param float[] $values A series of cash flow payments
* The series of values must contain at least one positive value & one negative value
* @param mixed[] $dates A series of payment dates
* The first payment date indicates the beginning of the schedule of payments
* All other dates must be later than this date, but they may occur in any order
* @param float $guess An optional guess at the expected answer
*
* @return float|string
*/
public static function rate($values, $dates, $guess = 0.1)
{
$rslt = self::xirrPart1($values, $dates);
if ($rslt !== '') {
return $rslt;
}
// create an initial range, with a root somewhere between 0 and guess
$guess = Functions::flattenSingleValue($guess);
$x1 = 0.0;
$x2 = $guess ?: 0.1;
$f1 = self::xnpvOrdered($x1, $values, $dates, false);
$f2 = self::xnpvOrdered($x2, $values, $dates, false);
$found = false;
for ($i = 0; $i < self::FINANCIAL_MAX_ITERATIONS; ++$i) {
if (!is_numeric($f1) || !is_numeric($f2)) {
break;
}
$f1 = (float) $f1;
$f2 = (float) $f2;
if (($f1 * $f2) < 0.0) {
$found = true;
break;
} elseif (abs($f1) < abs($f2)) {
$f1 = self::xnpvOrdered($x1 += 1.6 * ($x1 - $x2), $values, $dates, false);
} else {
$f2 = self::xnpvOrdered($x2 += 1.6 * ($x2 - $x1), $values, $dates, false);
}
}
if (!$found) {
return Functions::NAN();
}
return self::xirrPart3($values, $dates, $x1, $x2);
}
/**
* XNPV.
*
* Returns the net present value for a schedule of cash flows that is not necessarily periodic.
* To calculate the net present value for a series of cash flows that is periodic, use the NPV function.
*
* Excel Function:
* =XNPV(rate,values,dates)
*
* @param float $rate the discount rate to apply to the cash flows
* @param float[] $values A series of cash flows that corresponds to a schedule of payments in dates.
* The first payment is optional and corresponds to a cost or payment that occurs
* at the beginning of the investment.
* If the first value is a cost or payment, it must be a negative value.
* All succeeding payments are discounted based on a 365-day year.
* The series of values must contain at least one positive value and one negative value.
* @param mixed[] $dates A schedule of payment dates that corresponds to the cash flow payments.
* The first payment date indicates the beginning of the schedule of payments.
* All other dates must be later than this date, but they may occur in any order.
*
* @return float|string
*/
public static function presentValue($rate, $values, $dates)
{
return self::xnpvOrdered($rate, $values, $dates, true);
}
private static function bothNegAndPos(bool $neg, bool $pos): bool
{
return $neg && $pos;
}
/**
* @param mixed $values
* @param mixed $dates
*/
private static function xirrPart1(&$values, &$dates): string
{
if (!is_array($values) && !is_array($dates)) {
return Functions::NA();
}
$values = Functions::flattenArray($values);
$dates = Functions::flattenArray($dates);
if (count($values) != count($dates)) {
return Functions::NAN();
}
$datesCount = count($dates);
for ($i = 0; $i < $datesCount; ++$i) {
try {
$dates[$i] = DateTimeExcel\Helpers::getDateValue($dates[$i]);
} catch (Exception $e) {
return $e->getMessage();
}
}
return self::xirrPart2($values);
}
private static function xirrPart2(array &$values): string
{
$valCount = count($values);
$foundpos = false;
$foundneg = false;
for ($i = 0; $i < $valCount; ++$i) {
$fld = $values[$i];
if (!is_numeric($fld)) {
return Functions::VALUE();
} elseif ($fld > 0) {
$foundpos = true;
} elseif ($fld < 0) {
$foundneg = true;
}
}
if (!self::bothNegAndPos($foundneg, $foundpos)) {
return Functions::NAN();
}
return '';
}
/**
* @return float|string
*/
private static function xirrPart3(array $values, array $dates, float $x1, float $x2)
{
$f = self::xnpvOrdered($x1, $values, $dates, false);
if ($f < 0.0) {
$rtb = $x1;
$dx = $x2 - $x1;
} else {
$rtb = $x2;
$dx = $x1 - $x2;
}
$rslt = Functions::VALUE();
for ($i = 0; $i < self::FINANCIAL_MAX_ITERATIONS; ++$i) {
$dx *= 0.5;
$x_mid = $rtb + $dx;
$f_mid = (float) self::xnpvOrdered($x_mid, $values, $dates, false);
if ($f_mid <= 0.0) {
$rtb = $x_mid;
}
if ((abs($f_mid) < self::FINANCIAL_PRECISION) || (abs($dx) < self::FINANCIAL_PRECISION)) {
$rslt = $x_mid;
break;
}
}
return $rslt;
}
/**
* @param mixed $rate
* @param mixed $values
* @param mixed $dates
*
* @return float|string
*/
private static function xnpvOrdered($rate, $values, $dates, bool $ordered = true)
{
$rate = Functions::flattenSingleValue($rate);
$values = Functions::flattenArray($values);
$dates = Functions::flattenArray($dates);
$valCount = count($values);
try {
self::validateXnpv($rate, $values, $dates);
$date0 = DateTimeExcel\Helpers::getDateValue($dates[0]);
} catch (Exception $e) {
return $e->getMessage();
}
$xnpv = 0.0;
for ($i = 0; $i < $valCount; ++$i) {
if (!is_numeric($values[$i])) {
return Functions::VALUE();
}
try {
$datei = DateTimeExcel\Helpers::getDateValue($dates[$i]);
} catch (Exception $e) {
return $e->getMessage();
}
if ($date0 > $datei) {
$dif = $ordered ? Functions::NAN() : -((int) DateTimeExcel\Difference::interval($datei, $date0, 'd'));
} else {
$dif = DateTimeExcel\Difference::interval($date0, $datei, 'd');
}
if (!is_numeric($dif)) {
return $dif;
}
$xnpv += $values[$i] / (1 + $rate) ** ($dif / 365);
}
return is_finite($xnpv) ? $xnpv : Functions::VALUE();
}
/**
* @param mixed $rate
*/
private static function validateXnpv($rate, array $values, array $dates): void
{
if (!is_numeric($rate)) {
throw new Exception(Functions::VALUE());
}
$valCount = count($values);
if ($valCount != count($dates)) {
throw new Exception(Functions::NAN());
}
if ($valCount > 1 && ((min($values) > 0) || (max($values) < 0))) {
throw new Exception(Functions::NAN());
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\CashFlow\Variable;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Periodic
{
const FINANCIAL_MAX_ITERATIONS = 128;
const FINANCIAL_PRECISION = 1.0e-08;
/**
* IRR.
*
* Returns the internal rate of return for a series of cash flows represented by the numbers in values.
* These cash flows do not have to be even, as they would be for an annuity. However, the cash flows must occur
* at regular intervals, such as monthly or annually. The internal rate of return is the interest rate received
* for an investment consisting of payments (negative values) and income (positive values) that occur at regular
* periods.
*
* Excel Function:
* IRR(values[,guess])
*
* @param mixed $values An array or a reference to cells that contain numbers for which you want
* to calculate the internal rate of return.
* Values must contain at least one positive value and one negative value to
* calculate the internal rate of return.
* @param mixed $guess A number that you guess is close to the result of IRR
*
* @return float|string
*/
public static function rate($values, $guess = 0.1)
{
if (!is_array($values)) {
return Functions::VALUE();
}
$values = Functions::flattenArray($values);
$guess = Functions::flattenSingleValue($guess);
// create an initial range, with a root somewhere between 0 and guess
$x1 = 0.0;
$x2 = $guess;
$f1 = self::presentValue($x1, $values);
$f2 = self::presentValue($x2, $values);
for ($i = 0; $i < self::FINANCIAL_MAX_ITERATIONS; ++$i) {
if (($f1 * $f2) < 0.0) {
break;
}
if (abs($f1) < abs($f2)) {
$f1 = self::presentValue($x1 += 1.6 * ($x1 - $x2), $values);
} else {
$f2 = self::presentValue($x2 += 1.6 * ($x2 - $x1), $values);
}
}
if (($f1 * $f2) > 0.0) {
return Functions::VALUE();
}
$f = self::presentValue($x1, $values);
if ($f < 0.0) {
$rtb = $x1;
$dx = $x2 - $x1;
} else {
$rtb = $x2;
$dx = $x1 - $x2;
}
for ($i = 0; $i < self::FINANCIAL_MAX_ITERATIONS; ++$i) {
$dx *= 0.5;
$x_mid = $rtb + $dx;
$f_mid = self::presentValue($x_mid, $values);
if ($f_mid <= 0.0) {
$rtb = $x_mid;
}
if ((abs($f_mid) < self::FINANCIAL_PRECISION) || (abs($dx) < self::FINANCIAL_PRECISION)) {
return $x_mid;
}
}
return Functions::VALUE();
}
/**
* MIRR.
*
* Returns the modified internal rate of return for a series of periodic cash flows. MIRR considers both
* the cost of the investment and the interest received on reinvestment of cash.
*
* Excel Function:
* MIRR(values,finance_rate, reinvestment_rate)
*
* @param mixed $values An array or a reference to cells that contain a series of payments and
* income occurring at regular intervals.
* Payments are negative value, income is positive values.
* @param mixed $financeRate The interest rate you pay on the money used in the cash flows
* @param mixed $reinvestmentRate The interest rate you receive on the cash flows as you reinvest them
*
* @return float|string Result, or a string containing an error
*/
public static function modifiedRate($values, $financeRate, $reinvestmentRate)
{
if (!is_array($values)) {
return Functions::VALUE();
}
$values = Functions::flattenArray($values);
$financeRate = Functions::flattenSingleValue($financeRate);
$reinvestmentRate = Functions::flattenSingleValue($reinvestmentRate);
$n = count($values);
$rr = 1.0 + $reinvestmentRate;
$fr = 1.0 + $financeRate;
$npvPos = $npvNeg = 0.0;
foreach ($values as $i => $v) {
if ($v >= 0) {
$npvPos += $v / $rr ** $i;
} else {
$npvNeg += $v / $fr ** $i;
}
}
if (($npvNeg === 0.0) || ($npvPos === 0.0) || ($reinvestmentRate <= -1.0)) {
return Functions::VALUE();
}
$mirr = ((-$npvPos * $rr ** $n)
/ ($npvNeg * ($rr))) ** (1.0 / ($n - 1)) - 1.0;
return is_finite($mirr) ? $mirr : Functions::VALUE();
}
/**
* NPV.
*
* Returns the Net Present Value of a cash flow series given a discount rate.
*
* @param mixed $rate
*
* @return float
*/
public static function presentValue($rate, ...$args)
{
$returnValue = 0;
$rate = Functions::flattenSingleValue($rate);
$aArgs = Functions::flattenArray($args);
// Calculate
$countArgs = count($aArgs);
for ($i = 1; $i <= $countArgs; ++$i) {
// Is it a numeric value?
if (is_numeric($aArgs[$i - 1])) {
$returnValue += $aArgs[$i - 1] / (1 + $rate) ** $i;
}
}
return $returnValue;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
class Constants
{
public const BASIS_DAYS_PER_YEAR_NASD = 0;
public const BASIS_DAYS_PER_YEAR_ACTUAL = 1;
public const BASIS_DAYS_PER_YEAR_360 = 2;
public const BASIS_DAYS_PER_YEAR_365 = 3;
public const BASIS_DAYS_PER_YEAR_360_EUROPEAN = 4;
public const FREQUENCY_ANNUAL = 1;
public const FREQUENCY_SEMI_ANNUAL = 2;
public const FREQUENCY_QUARTERLY = 4;
public const PAYMENT_END_OF_PERIOD = 0;
public const PAYMENT_BEGINNING_OF_PERIOD = 1;
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Shared\Date;
class Coupons
{
private const PERIOD_DATE_PREVIOUS = false;
private const PERIOD_DATE_NEXT = true;
/**
* COUPDAYBS.
*
* Returns the number of days from the beginning of the coupon period to the settlement date.
*
* Excel Function:
* COUPDAYBS(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year (int).
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string
*/
public static function COUPDAYBS(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
if (is_string($daysPerYear)) {
return Functions::VALUE();
}
$prev = self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_PREVIOUS);
if ($basis === FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL) {
return abs((float) DateTimeExcel\Days::between($prev, $settlement));
}
return (float) DateTimeExcel\YearFrac::fraction($prev, $settlement, $basis) * $daysPerYear;
}
/**
* COUPDAYS.
*
* Returns the number of days in the coupon period that contains the settlement date.
*
* Excel Function:
* COUPDAYS(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string
*/
public static function COUPDAYS(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
switch ($basis) {
case FinancialConstants::BASIS_DAYS_PER_YEAR_365:
// Actual/365
return 365 / $frequency;
case FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL:
// Actual/actual
if ($frequency == FinancialConstants::FREQUENCY_ANNUAL) {
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
return $daysPerYear / $frequency;
}
$prev = self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_PREVIOUS);
$next = self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_NEXT);
return $next - $prev;
default:
// US (NASD) 30/360, Actual/360 or European 30/360
return 360 / $frequency;
}
}
/**
* COUPDAYSNC.
*
* Returns the number of days from the settlement date to the next coupon date.
*
* Excel Function:
* COUPDAYSNC(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int) .
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string
*/
public static function COUPDAYSNC(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
$next = self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_NEXT);
if ($basis === FinancialConstants::BASIS_DAYS_PER_YEAR_NASD) {
$settlementDate = Date::excelToDateTimeObject($settlement);
$settlementEoM = Helpers::isLastDayOfMonth($settlementDate);
if ($settlementEoM) {
++$settlement;
}
}
return (float) DateTimeExcel\YearFrac::fraction($settlement, $next, $basis) * $daysPerYear;
}
/**
* COUPNCD.
*
* Returns the next coupon date after the settlement date.
*
* Excel Function:
* COUPNCD(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function COUPNCD(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
return self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_NEXT);
}
/**
* COUPNUM.
*
* Returns the number of coupons payable between the settlement date and maturity date,
* rounded up to the nearest whole coupon.
*
* Excel Function:
* COUPNUM(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return int|string
*/
public static function COUPNUM(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$yearsBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction(
$settlement,
$maturity,
FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
);
return (int) ceil((float) $yearsBetweenSettlementAndMaturity * $frequency);
}
/**
* COUPPCD.
*
* Returns the previous coupon date before the settlement date.
*
* Excel Function:
* COUPPCD(settlement,maturity,frequency[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use (int).
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
* depending on the value of the ReturnDateType flag
*/
public static function COUPPCD(
$settlement,
$maturity,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
self::validateCouponPeriod($settlement, $maturity);
$frequency = FinancialValidations::validateFrequency($frequency);
$basis = FinancialValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
return self::couponFirstPeriodDate($settlement, $maturity, $frequency, self::PERIOD_DATE_PREVIOUS);
}
private static function monthsDiff(DateTime $result, int $months, string $plusOrMinus, int $day, bool $lastDayFlag): void
{
$result->setDate((int) $result->format('Y'), (int) $result->format('m'), 1);
$result->modify("$plusOrMinus $months months");
$daysInMonth = (int) $result->format('t');
$result->setDate((int) $result->format('Y'), (int) $result->format('m'), $lastDayFlag ? $daysInMonth : min($day, $daysInMonth));
}
private static function couponFirstPeriodDate(float $settlement, float $maturity, int $frequency, bool $next): float
{
$months = 12 / $frequency;
$result = Date::excelToDateTimeObject($maturity);
$day = (int) $result->format('d');
$lastDayFlag = Helpers::isLastDayOfMonth($result);
while ($settlement < Date::PHPToExcel($result)) {
self::monthsDiff($result, $months, '-', $day, $lastDayFlag);
}
if ($next === true) {
self::monthsDiff($result, $months, '+', $day, $lastDayFlag);
}
return (float) Date::PHPToExcel($result);
}
private static function validateCouponPeriod(float $settlement, float $maturity): void
{
if ($settlement >= $maturity) {
throw new Exception(Functions::NAN());
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Depreciation
{
/**
* DB.
*
* Returns the depreciation of an asset for a specified period using the
* fixed-declining balance method.
* This form of depreciation is used if you want to get a higher depreciation value
* at the beginning of the depreciation (as opposed to linear depreciation). The
* depreciation value is reduced with every depreciation period by the depreciation
* already deducted from the initial cost.
*
* Excel Function:
* DB(cost,salvage,life,period[,month])
*
* @param mixed $cost Initial cost of the asset
* @param mixed $salvage Value at the end of the depreciation.
* (Sometimes called the salvage value of the asset)
* @param mixed $life Number of periods over which the asset is depreciated.
* (Sometimes called the useful life of the asset)
* @param mixed $period The period for which you want to calculate the
* depreciation. Period must use the same units as life.
* @param mixed $month Number of months in the first year. If month is omitted,
* it defaults to 12.
*
* @return float|string
*/
public static function DB($cost, $salvage, $life, $period, $month = 12)
{
$cost = Functions::flattenSingleValue($cost);
$salvage = Functions::flattenSingleValue($salvage);
$life = Functions::flattenSingleValue($life);
$period = Functions::flattenSingleValue($period);
$month = Functions::flattenSingleValue($month);
try {
$cost = self::validateCost($cost);
$salvage = self::validateSalvage($salvage);
$life = self::validateLife($life);
$period = self::validatePeriod($period);
$month = self::validateMonth($month);
} catch (Exception $e) {
return $e->getMessage();
}
if ($cost === 0.0) {
return 0.0;
}
// Set Fixed Depreciation Rate
$fixedDepreciationRate = 1 - ($salvage / $cost) ** (1 / $life);
$fixedDepreciationRate = round($fixedDepreciationRate, 3);
// Loop through each period calculating the depreciation
// TODO Handle period value between 0 and 1 (e.g. 0.5)
$previousDepreciation = 0;
$depreciation = 0;
for ($per = 1; $per <= $period; ++$per) {
if ($per == 1) {
$depreciation = $cost * $fixedDepreciationRate * $month / 12;
} elseif ($per == ($life + 1)) {
$depreciation = ($cost - $previousDepreciation) * $fixedDepreciationRate * (12 - $month) / 12;
} else {
$depreciation = ($cost - $previousDepreciation) * $fixedDepreciationRate;
}
$previousDepreciation += $depreciation;
}
return $depreciation;
}
/**
* DDB.
*
* Returns the depreciation of an asset for a specified period using the
* double-declining balance method or some other method you specify.
*
* Excel Function:
* DDB(cost,salvage,life,period[,factor])
*
* @param mixed $cost Initial cost of the asset
* @param mixed $salvage Value at the end of the depreciation.
* (Sometimes called the salvage value of the asset)
* @param mixed $life Number of periods over which the asset is depreciated.
* (Sometimes called the useful life of the asset)
* @param mixed $period The period for which you want to calculate the
* depreciation. Period must use the same units as life.
* @param mixed $factor The rate at which the balance declines.
* If factor is omitted, it is assumed to be 2 (the
* double-declining balance method).
*
* @return float|string
*/
public static function DDB($cost, $salvage, $life, $period, $factor = 2.0)
{
$cost = Functions::flattenSingleValue($cost);
$salvage = Functions::flattenSingleValue($salvage);
$life = Functions::flattenSingleValue($life);
$period = Functions::flattenSingleValue($period);
$factor = Functions::flattenSingleValue($factor);
try {
$cost = self::validateCost($cost);
$salvage = self::validateSalvage($salvage);
$life = self::validateLife($life);
$period = self::validatePeriod($period);
$factor = self::validateFactor($factor);
} catch (Exception $e) {
return $e->getMessage();
}
if ($period > $life) {
return Functions::NAN();
}
// Loop through each period calculating the depreciation
// TODO Handling for fractional $period values
$previousDepreciation = 0;
$depreciation = 0;
for ($per = 1; $per <= $period; ++$per) {
$depreciation = min(
($cost - $previousDepreciation) * ($factor / $life),
($cost - $salvage - $previousDepreciation)
);
$previousDepreciation += $depreciation;
}
return $depreciation;
}
/**
* SLN.
*
* Returns the straight-line depreciation of an asset for one period
*
* @param mixed $cost Initial cost of the asset
* @param mixed $salvage Value at the end of the depreciation
* @param mixed $life Number of periods over which the asset is depreciated
*
* @return float|string Result, or a string containing an error
*/
public static function SLN($cost, $salvage, $life)
{
$cost = Functions::flattenSingleValue($cost);
$salvage = Functions::flattenSingleValue($salvage);
$life = Functions::flattenSingleValue($life);
try {
$cost = self::validateCost($cost, true);
$salvage = self::validateSalvage($salvage, true);
$life = self::validateLife($life, true);
} catch (Exception $e) {
return $e->getMessage();
}
if ($life === 0.0) {
return Functions::DIV0();
}
return ($cost - $salvage) / $life;
}
/**
* SYD.
*
* Returns the sum-of-years' digits depreciation of an asset for a specified period.
*
* @param mixed $cost Initial cost of the asset
* @param mixed $salvage Value at the end of the depreciation
* @param mixed $life Number of periods over which the asset is depreciated
* @param mixed $period Period
*
* @return float|string Result, or a string containing an error
*/
public static function SYD($cost, $salvage, $life, $period)
{
$cost = Functions::flattenSingleValue($cost);
$salvage = Functions::flattenSingleValue($salvage);
$life = Functions::flattenSingleValue($life);
$period = Functions::flattenSingleValue($period);
try {
$cost = self::validateCost($cost, true);
$salvage = self::validateSalvage($salvage);
$life = self::validateLife($life);
$period = self::validatePeriod($period);
} catch (Exception $e) {
return $e->getMessage();
}
if ($period > $life) {
return Functions::NAN();
}
$syd = (($cost - $salvage) * ($life - $period + 1) * 2) / ($life * ($life + 1));
return $syd;
}
private static function validateCost($cost, bool $negativeValueAllowed = false): float
{
$cost = FinancialValidations::validateFloat($cost);
if ($cost < 0.0 && $negativeValueAllowed === false) {
throw new Exception(Functions::NAN());
}
return $cost;
}
private static function validateSalvage($salvage, bool $negativeValueAllowed = false): float
{
$salvage = FinancialValidations::validateFloat($salvage);
if ($salvage < 0.0 && $negativeValueAllowed === false) {
throw new Exception(Functions::NAN());
}
return $salvage;
}
private static function validateLife($life, bool $negativeValueAllowed = false): float
{
$life = FinancialValidations::validateFloat($life);
if ($life < 0.0 && $negativeValueAllowed === false) {
throw new Exception(Functions::NAN());
}
return $life;
}
private static function validatePeriod($period, bool $negativeValueAllowed = false): float
{
$period = FinancialValidations::validateFloat($period);
if ($period <= 0.0 && $negativeValueAllowed === false) {
throw new Exception(Functions::NAN());
}
return $period;
}
private static function validateMonth($month): int
{
$month = FinancialValidations::validateInt($month);
if ($month < 1) {
throw new Exception(Functions::NAN());
}
return $month;
}
private static function validateFactor($factor): float
{
$factor = FinancialValidations::validateFloat($factor);
if ($factor <= 0.0) {
throw new Exception(Functions::NAN());
}
return $factor;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\TextData\Format;
class Dollar
{
/**
* DOLLAR.
*
* This function converts a number to text using currency format, with the decimals rounded to the specified place.
* The format used is $#,##0.00_);($#,##0.00)..
*
* @param mixed $number The value to format
* @param mixed $precision The number of digits to display to the right of the decimal point (as an integer).
* If precision is negative, number is rounded to the left of the decimal point.
* If you omit precision, it is assumed to be 2
*/
public static function format($number, $precision = 2): string
{
return Format::DOLLAR($number, $precision);
}
/**
* DOLLARDE.
*
* Converts a dollar price expressed as an integer part and a fraction
* part into a dollar price expressed as a decimal number.
* Fractional dollar numbers are sometimes used for security prices.
*
* Excel Function:
* DOLLARDE(fractional_dollar,fraction)
*
* @param mixed $fractionalDollar Fractional Dollar
* @param mixed $fraction Fraction
*
* @return float|string
*/
public static function decimal($fractionalDollar = null, $fraction = 0)
{
$fractionalDollar = Functions::flattenSingleValue($fractionalDollar);
$fraction = (int) Functions::flattenSingleValue($fraction);
// Validate parameters
if ($fractionalDollar === null || $fraction < 0) {
return Functions::NAN();
}
if ($fraction == 0) {
return Functions::DIV0();
}
$dollars = floor($fractionalDollar);
$cents = fmod($fractionalDollar, 1);
$cents /= $fraction;
$cents *= 10 ** ceil(log10($fraction));
return $dollars + $cents;
}
/**
* DOLLARFR.
*
* Converts a dollar price expressed as a decimal number into a dollar price
* expressed as a fraction.
* Fractional dollar numbers are sometimes used for security prices.
*
* Excel Function:
* DOLLARFR(decimal_dollar,fraction)
*
* @param mixed $decimalDollar Decimal Dollar
* @param mixed $fraction Fraction
*
* @return float|string
*/
public static function fractional($decimalDollar = null, $fraction = 0)
{
$decimalDollar = Functions::flattenSingleValue($decimalDollar);
$fraction = (int) Functions::flattenSingleValue($fraction);
// Validate parameters
if ($decimalDollar === null || $fraction < 0) {
return Functions::NAN();
}
if ($fraction == 0) {
return Functions::DIV0();
}
$dollars = floor($decimalDollar);
$cents = fmod($decimalDollar, 1);
$cents *= $fraction;
$cents *= 10 ** (-ceil(log10($fraction)));
return $dollars + $cents;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class FinancialValidations
{
/**
* @param mixed $date
*/
public static function validateDate($date): float
{
return DateTimeExcel\Helpers::getDateValue($date);
}
/**
* @param mixed $settlement
*/
public static function validateSettlementDate($settlement): float
{
return self::validateDate($settlement);
}
/**
* @param mixed $maturity
*/
public static function validateMaturityDate($maturity): float
{
return self::validateDate($maturity);
}
/**
* @param mixed $value
*/
public static function validateFloat($value): float
{
if (!is_numeric($value)) {
throw new Exception(Functions::VALUE());
}
return (float) $value;
}
/**
* @param mixed $value
*/
public static function validateInt($value): int
{
if (!is_numeric($value)) {
throw new Exception(Functions::VALUE());
}
return (int) floor((float) $value);
}
/**
* @param mixed $rate
*/
public static function validateRate($rate): float
{
$rate = self::validateFloat($rate);
if ($rate < 0.0) {
throw new Exception(Functions::NAN());
}
return $rate;
}
/**
* @param mixed $frequency
*/
public static function validateFrequency($frequency): int
{
$frequency = self::validateInt($frequency);
if (
($frequency !== FinancialConstants::FREQUENCY_ANNUAL) &&
($frequency !== FinancialConstants::FREQUENCY_SEMI_ANNUAL) &&
($frequency !== FinancialConstants::FREQUENCY_QUARTERLY)
) {
throw new Exception(Functions::NAN());
}
return $frequency;
}
/**
* @param mixed $basis
*/
public static function validateBasis($basis): int
{
if (!is_numeric($basis)) {
throw new Exception(Functions::VALUE());
}
$basis = (int) $basis;
if (($basis < 0) || ($basis > 4)) {
throw new Exception(Functions::NAN());
}
return $basis;
}
/**
* @param mixed $price
*/
public static function validatePrice($price): float
{
$price = self::validateFloat($price);
if ($price < 0.0) {
throw new Exception(Functions::NAN());
}
return $price;
}
/**
* @param mixed $parValue
*/
public static function validateParValue($parValue): float
{
$parValue = self::validateFloat($parValue);
if ($parValue < 0.0) {
throw new Exception(Functions::NAN());
}
return $parValue;
}
/**
* @param mixed $yield
*/
public static function validateYield($yield): float
{
$yield = self::validateFloat($yield);
if ($yield < 0.0) {
throw new Exception(Functions::NAN());
}
return $yield;
}
/**
* @param mixed $discount
*/
public static function validateDiscount($discount): float
{
$discount = self::validateFloat($discount);
if ($discount <= 0.0) {
throw new Exception(Functions::NAN());
}
return $discount;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use DateTimeInterface;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Helpers
{
/**
* daysPerYear.
*
* Returns the number of days in a specified year, as defined by the "basis" value
*
* @param int|string $year The year against which we're testing
* @param int|string $basis The type of day count:
* 0 or omitted US (NASD) 360
* 1 Actual (365 or 366 in a leap year)
* 2 360
* 3 365
* 4 European 360
*
* @return int|string Result, or a string containing an error
*/
public static function daysPerYear($year, $basis = 0)
{
if (!is_numeric($basis)) {
return Functions::NAN();
}
switch ($basis) {
case FinancialConstants::BASIS_DAYS_PER_YEAR_NASD:
case FinancialConstants::BASIS_DAYS_PER_YEAR_360:
case FinancialConstants::BASIS_DAYS_PER_YEAR_360_EUROPEAN:
return 360;
case FinancialConstants::BASIS_DAYS_PER_YEAR_365:
return 365;
case FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL:
return (DateTimeExcel\Helpers::isLeapYear($year)) ? 366 : 365;
}
return Functions::NAN();
}
/**
* isLastDayOfMonth.
*
* Returns a boolean TRUE/FALSE indicating if this date is the last date of the month
*
* @param DateTimeInterface $date The date for testing
*/
public static function isLastDayOfMonth(DateTimeInterface $date): bool
{
return $date->format('d') === $date->format('t');
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class InterestRate
{
/**
* EFFECT.
*
* Returns the effective interest rate given the nominal rate and the number of
* compounding payments per year.
*
* Excel Function:
* EFFECT(nominal_rate,npery)
*
* @param mixed $nominalRate Nominal interest rate as a float
* @param mixed $periodsPerYear Integer number of compounding payments per year
*
* @return float|string
*/
public static function effective($nominalRate = 0, $periodsPerYear = 0)
{
$nominalRate = Functions::flattenSingleValue($nominalRate);
$periodsPerYear = Functions::flattenSingleValue($periodsPerYear);
try {
$nominalRate = FinancialValidations::validateFloat($nominalRate);
$periodsPerYear = FinancialValidations::validateInt($periodsPerYear);
} catch (Exception $e) {
return $e->getMessage();
}
if ($nominalRate <= 0 || $periodsPerYear < 1) {
return Functions::NAN();
}
return ((1 + $nominalRate / $periodsPerYear) ** $periodsPerYear) - 1;
}
/**
* NOMINAL.
*
* Returns the nominal interest rate given the effective rate and the number of compounding payments per year.
*
* @param mixed $effectiveRate Effective interest rate as a float
* @param mixed $periodsPerYear Integer number of compounding payments per year
*
* @return float|string Result, or a string containing an error
*/
public static function nominal($effectiveRate = 0, $periodsPerYear = 0)
{
$effectiveRate = Functions::flattenSingleValue($effectiveRate);
$periodsPerYear = Functions::flattenSingleValue($periodsPerYear);
try {
$effectiveRate = FinancialValidations::validateFloat($effectiveRate);
$periodsPerYear = FinancialValidations::validateInt($periodsPerYear);
} catch (Exception $e) {
return $e->getMessage();
}
if ($effectiveRate <= 0 || $periodsPerYear < 1) {
return Functions::NAN();
}
// Calculate
return $periodsPerYear * (($effectiveRate + 1) ** (1 / $periodsPerYear) - 1);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel\YearFrac;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class AccruedInterest
{
public const ACCRINT_CALCMODE_ISSUE_TO_SETTLEMENT = true;
public const ACCRINT_CALCMODE_FIRST_INTEREST_TO_SETTLEMENT = false;
/**
* ACCRINT.
*
* Returns the accrued interest for a security that pays periodic interest.
*
* Excel Function:
* ACCRINT(issue,firstinterest,settlement,rate,par,frequency[,basis][,calc_method])
*
* @param mixed $issue the security's issue date
* @param mixed $firstInterest the security's first interest date
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue date
* when the security is traded to the buyer.
* @param mixed $rate The security's annual coupon rate
* @param mixed $parValue The security's par value.
* If you omit par, ACCRINT uses $1,000.
* @param mixed $frequency The number of coupon payments per year.
* Valid frequency values are:
* 1 Annual
* 2 Semi-Annual
* 4 Quarterly
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
* @param mixed $calcMethod
*
* @return float|string Result, or a string containing an error
*/
public static function periodic(
$issue,
$firstInterest,
$settlement,
$rate,
$parValue = 1000,
$frequency = FinancialConstants::FREQUENCY_ANNUAL,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD,
$calcMethod = self::ACCRINT_CALCMODE_ISSUE_TO_SETTLEMENT
) {
$issue = Functions::flattenSingleValue($issue);
$firstInterest = Functions::flattenSingleValue($firstInterest);
$settlement = Functions::flattenSingleValue($settlement);
$rate = Functions::flattenSingleValue($rate);
$parValue = ($parValue === null) ? 1000 : Functions::flattenSingleValue($parValue);
$frequency = ($frequency === null)
? FinancialConstants::FREQUENCY_ANNUAL
: Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$issue = SecurityValidations::validateIssueDate($issue);
$settlement = SecurityValidations::validateSettlementDate($settlement);
SecurityValidations::validateSecurityPeriod($issue, $settlement);
$rate = SecurityValidations::validateRate($rate);
$parValue = SecurityValidations::validateParValue($parValue);
$frequency = SecurityValidations::validateFrequency($frequency);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysBetweenIssueAndSettlement = YearFrac::fraction($issue, $settlement, $basis);
if (!is_numeric($daysBetweenIssueAndSettlement)) {
// return date error
return $daysBetweenIssueAndSettlement;
}
$daysBetweenFirstInterestAndSettlement = YearFrac::fraction($firstInterest, $settlement, $basis);
if (!is_numeric($daysBetweenFirstInterestAndSettlement)) {
// return date error
return $daysBetweenFirstInterestAndSettlement;
}
return $parValue * $rate * $daysBetweenIssueAndSettlement;
}
/**
* ACCRINTM.
*
* Returns the accrued interest for a security that pays interest at maturity.
*
* Excel Function:
* ACCRINTM(issue,settlement,rate[,par[,basis]])
*
* @param mixed $issue The security's issue date
* @param mixed $settlement The security's settlement (or maturity) date
* @param mixed $rate The security's annual coupon rate
* @param mixed $parValue The security's par value.
* If you omit parValue, ACCRINT uses $1,000.
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function atMaturity(
$issue,
$settlement,
$rate,
$parValue = 1000,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$issue = Functions::flattenSingleValue($issue);
$settlement = Functions::flattenSingleValue($settlement);
$rate = Functions::flattenSingleValue($rate);
$parValue = ($parValue === null) ? 1000 : Functions::flattenSingleValue($parValue);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$issue = SecurityValidations::validateIssueDate($issue);
$settlement = SecurityValidations::validateSettlementDate($settlement);
SecurityValidations::validateSecurityPeriod($issue, $settlement);
$rate = SecurityValidations::validateRate($rate);
$parValue = SecurityValidations::validateParValue($parValue);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysBetweenIssueAndSettlement = YearFrac::fraction($issue, $settlement, $basis);
if (!is_numeric($daysBetweenIssueAndSettlement)) {
// return date error
return $daysBetweenIssueAndSettlement;
}
return $parValue * $rate * $daysBetweenIssueAndSettlement;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Coupons;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Helpers;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Price
{
/**
* PRICE.
*
* Returns the price per $100 face value of a security that pays periodic interest.
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $rate the security's annual coupon rate
* @param mixed $yield the security's annual yield
* @param mixed $redemption The number of coupon payments per year.
* For annual payments, frequency = 1;
* for semiannual, frequency = 2;
* for quarterly, frequency = 4.
* @param mixed $frequency
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function price(
$settlement,
$maturity,
$rate,
$yield,
$redemption,
$frequency,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$rate = Functions::flattenSingleValue($rate);
$yield = Functions::flattenSingleValue($yield);
$redemption = Functions::flattenSingleValue($redemption);
$frequency = Functions::flattenSingleValue($frequency);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$rate = SecurityValidations::validateRate($rate);
$yield = SecurityValidations::validateYield($yield);
$redemption = SecurityValidations::validateRedemption($redemption);
$frequency = SecurityValidations::validateFrequency($frequency);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$dsc = Coupons::COUPDAYSNC($settlement, $maturity, $frequency, $basis);
$e = Coupons::COUPDAYS($settlement, $maturity, $frequency, $basis);
$n = Coupons::COUPNUM($settlement, $maturity, $frequency, $basis);
$a = Coupons::COUPDAYBS($settlement, $maturity, $frequency, $basis);
$baseYF = 1.0 + ($yield / $frequency);
$rfp = 100 * ($rate / $frequency);
$de = $dsc / $e;
$result = $redemption / $baseYF ** (--$n + $de);
for ($k = 0; $k <= $n; ++$k) {
$result += $rfp / ($baseYF ** ($k + $de));
}
$result -= $rfp * ($a / $e);
return $result;
}
/**
* PRICEDISC.
*
* Returns the price per $100 face value of a discounted security.
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $discount The security's discount rate
* @param mixed $redemption The security's redemption value per $100 face value
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function priceDiscounted(
$settlement,
$maturity,
$discount,
$redemption,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$discount = Functions::flattenSingleValue($discount);
$redemption = Functions::flattenSingleValue($redemption);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$discount = SecurityValidations::validateDiscount($discount);
$redemption = SecurityValidations::validateRedemption($redemption);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
return $redemption * (1 - $discount * $daysBetweenSettlementAndMaturity);
}
/**
* PRICEMAT.
*
* Returns the price per $100 face value of a security that pays interest at maturity.
*
* @param mixed $settlement The security's settlement date.
* The security's settlement date is the date after the issue date when the
* security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $issue The security's issue date
* @param mixed $rate The security's interest rate at date of issue
* @param mixed $yield The security's annual yield
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function priceAtMaturity(
$settlement,
$maturity,
$issue,
$rate,
$yield,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$issue = Functions::flattenSingleValue($issue);
$rate = Functions::flattenSingleValue($rate);
$yield = Functions::flattenSingleValue($yield);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$issue = SecurityValidations::validateIssueDate($issue);
$rate = SecurityValidations::validateRate($rate);
$yield = SecurityValidations::validateYield($yield);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
if (!is_numeric($daysPerYear)) {
return $daysPerYear;
}
$daysBetweenIssueAndSettlement = DateTimeExcel\YearFrac::fraction($issue, $settlement, $basis);
if (!is_numeric($daysBetweenIssueAndSettlement)) {
// return date error
return $daysBetweenIssueAndSettlement;
}
$daysBetweenIssueAndSettlement *= $daysPerYear;
$daysBetweenIssueAndMaturity = DateTimeExcel\YearFrac::fraction($issue, $maturity, $basis);
if (!is_numeric($daysBetweenIssueAndMaturity)) {
// return date error
return $daysBetweenIssueAndMaturity;
}
$daysBetweenIssueAndMaturity *= $daysPerYear;
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
$daysBetweenSettlementAndMaturity *= $daysPerYear;
return (100 + (($daysBetweenIssueAndMaturity / $daysPerYear) * $rate * 100)) /
(1 + (($daysBetweenSettlementAndMaturity / $daysPerYear) * $yield)) -
(($daysBetweenIssueAndSettlement / $daysPerYear) * $rate * 100);
}
/**
* RECEIVED.
*
* Returns the amount received at maturity for a fully invested Security.
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $investment The amount invested in the security
* @param mixed $discount The security's discount rate
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function received(
$settlement,
$maturity,
$investment,
$discount,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$investment = Functions::flattenSingleValue($investment);
$discount = Functions::flattenSingleValue($discount);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$investment = SecurityValidations::validateFloat($investment);
$discount = SecurityValidations::validateDiscount($discount);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
if ($investment <= 0) {
return Functions::NAN();
}
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
return $investment / (1 - ($discount * $daysBetweenSettlementAndMaturity));
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Rates
{
/**
* DISC.
*
* Returns the discount rate for a security.
*
* Excel Function:
* DISC(settlement,maturity,price,redemption[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue
* date when the security is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $price The security's price per $100 face value
* @param mixed $redemption The security's redemption value per $100 face value
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string
*/
public static function discount(
$settlement,
$maturity,
$price,
$redemption,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$price = Functions::flattenSingleValue($price);
$redemption = Functions::flattenSingleValue($redemption);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$price = SecurityValidations::validatePrice($price);
$redemption = SecurityValidations::validateRedemption($redemption);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
if ($price <= 0.0) {
return Functions::NAN();
}
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
return (1 - $price / $redemption) / $daysBetweenSettlementAndMaturity;
}
/**
* INTRATE.
*
* Returns the interest rate for a fully invested security.
*
* Excel Function:
* INTRATE(settlement,maturity,investment,redemption[,basis])
*
* @param mixed $settlement The security's settlement date.
* The security settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $investment the amount invested in the security
* @param mixed $redemption the amount to be received at maturity
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string
*/
public static function interest(
$settlement,
$maturity,
$investment,
$redemption,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$investment = Functions::flattenSingleValue($investment);
$redemption = Functions::flattenSingleValue($redemption);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$investment = SecurityValidations::validateFloat($investment);
$redemption = SecurityValidations::validateRedemption($redemption);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
if ($investment <= 0) {
return Functions::NAN();
}
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
return (($redemption / $investment) - 1) / ($daysBetweenSettlementAndMaturity);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\FinancialValidations;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class SecurityValidations extends FinancialValidations
{
/**
* @param mixed $issue
*/
public static function validateIssueDate($issue): float
{
return self::validateDate($issue);
}
/**
* @param mixed $settlement
* @param mixed $maturity
*/
public static function validateSecurityPeriod($settlement, $maturity): void
{
if ($settlement >= $maturity) {
throw new Exception(Functions::NAN());
}
}
/**
* @param mixed $redemption
*/
public static function validateRedemption($redemption): float
{
$redemption = self::validateFloat($redemption);
if ($redemption <= 0.0) {
throw new Exception(Functions::NAN());
}
return $redemption;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial\Securities;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Helpers;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Yields
{
/**
* YIELDDISC.
*
* Returns the annual yield of a security that pays interest at maturity.
*
* @param mixed $settlement The security's settlement date.
* The security's settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $price The security's price per $100 face value
* @param mixed $redemption The security's redemption value per $100 face value
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function yieldDiscounted(
$settlement,
$maturity,
$price,
$redemption,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$price = Functions::flattenSingleValue($price);
$redemption = Functions::flattenSingleValue($redemption);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$price = SecurityValidations::validatePrice($price);
$redemption = SecurityValidations::validateRedemption($redemption);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
if (!is_numeric($daysPerYear)) {
return $daysPerYear;
}
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
$daysBetweenSettlementAndMaturity *= $daysPerYear;
return (($redemption - $price) / $price) * ($daysPerYear / $daysBetweenSettlementAndMaturity);
}
/**
* YIELDMAT.
*
* Returns the annual yield of a security that pays interest at maturity.
*
* @param mixed $settlement The security's settlement date.
* The security's settlement date is the date after the issue date when the security
* is traded to the buyer.
* @param mixed $maturity The security's maturity date.
* The maturity date is the date when the security expires.
* @param mixed $issue The security's issue date
* @param mixed $rate The security's interest rate at date of issue
* @param mixed $price The security's price per $100 face value
* @param mixed $basis The type of day count to use.
* 0 or omitted US (NASD) 30/360
* 1 Actual/actual
* 2 Actual/360
* 3 Actual/365
* 4 European 30/360
*
* @return float|string Result, or a string containing an error
*/
public static function yieldAtMaturity(
$settlement,
$maturity,
$issue,
$rate,
$price,
$basis = FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
) {
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$issue = Functions::flattenSingleValue($issue);
$rate = Functions::flattenSingleValue($rate);
$price = Functions::flattenSingleValue($price);
$basis = ($basis === null)
? FinancialConstants::BASIS_DAYS_PER_YEAR_NASD
: Functions::flattenSingleValue($basis);
try {
$settlement = SecurityValidations::validateSettlementDate($settlement);
$maturity = SecurityValidations::validateMaturityDate($maturity);
SecurityValidations::validateSecurityPeriod($settlement, $maturity);
$issue = SecurityValidations::validateIssueDate($issue);
$rate = SecurityValidations::validateRate($rate);
$price = SecurityValidations::validatePrice($price);
$basis = SecurityValidations::validateBasis($basis);
} catch (Exception $e) {
return $e->getMessage();
}
$daysPerYear = Helpers::daysPerYear(DateTimeExcel\DateParts::year($settlement), $basis);
if (!is_numeric($daysPerYear)) {
return $daysPerYear;
}
$daysBetweenIssueAndSettlement = DateTimeExcel\YearFrac::fraction($issue, $settlement, $basis);
if (!is_numeric($daysBetweenIssueAndSettlement)) {
// return date error
return $daysBetweenIssueAndSettlement;
}
$daysBetweenIssueAndSettlement *= $daysPerYear;
$daysBetweenIssueAndMaturity = DateTimeExcel\YearFrac::fraction($issue, $maturity, $basis);
if (!is_numeric($daysBetweenIssueAndMaturity)) {
// return date error
return $daysBetweenIssueAndMaturity;
}
$daysBetweenIssueAndMaturity *= $daysPerYear;
$daysBetweenSettlementAndMaturity = DateTimeExcel\YearFrac::fraction($settlement, $maturity, $basis);
if (!is_numeric($daysBetweenSettlementAndMaturity)) {
// return date error
return $daysBetweenSettlementAndMaturity;
}
$daysBetweenSettlementAndMaturity *= $daysPerYear;
return ((1 + (($daysBetweenIssueAndMaturity / $daysPerYear) * $rate) -
(($price / 100) + (($daysBetweenIssueAndSettlement / $daysPerYear) * $rate))) /
(($price / 100) + (($daysBetweenIssueAndSettlement / $daysPerYear) * $rate))) *
($daysPerYear / $daysBetweenSettlementAndMaturity);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Financial;
use PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Financial\Constants as FinancialConstants;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class TreasuryBill
{
/**
* TBILLEQ.
*
* Returns the bond-equivalent yield for a Treasury bill.
*
* @param mixed $settlement The Treasury bill's settlement date.
* The Treasury bill's settlement date is the date after the issue date
* when the Treasury bill is traded to the buyer.
* @param mixed $maturity The Treasury bill's maturity date.
* The maturity date is the date when the Treasury bill expires.
* @param mixed $discount The Treasury bill's discount rate
*
* @return float|string Result, or a string containing an error
*/
public static function bondEquivalentYield($settlement, $maturity, $discount)
{
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$discount = Functions::flattenSingleValue($discount);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
$discount = FinancialValidations::validateFloat($discount);
} catch (Exception $e) {
return $e->getMessage();
}
if ($discount <= 0) {
return Functions::NAN();
}
$daysBetweenSettlementAndMaturity = $maturity - $settlement;
$daysPerYear = Helpers::daysPerYear(
DateTimeExcel\DateParts::year($maturity),
FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL
);
if ($daysBetweenSettlementAndMaturity > $daysPerYear || $daysBetweenSettlementAndMaturity < 0) {
return Functions::NAN();
}
return (365 * $discount) / (360 - $discount * $daysBetweenSettlementAndMaturity);
}
/**
* TBILLPRICE.
*
* Returns the price per $100 face value for a Treasury bill.
*
* @param mixed $settlement The Treasury bill's settlement date.
* The Treasury bill's settlement date is the date after the issue date
* when the Treasury bill is traded to the buyer.
* @param mixed $maturity The Treasury bill's maturity date.
* The maturity date is the date when the Treasury bill expires.
* @param mixed $discount The Treasury bill's discount rate
*
* @return float|string Result, or a string containing an error
*/
public static function price($settlement, $maturity, $discount)
{
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$discount = Functions::flattenSingleValue($discount);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
$discount = FinancialValidations::validateFloat($discount);
} catch (Exception $e) {
return $e->getMessage();
}
if ($discount <= 0) {
return Functions::NAN();
}
$daysBetweenSettlementAndMaturity = $maturity - $settlement;
$daysPerYear = Helpers::daysPerYear(
DateTimeExcel\DateParts::year($maturity),
FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL
);
if ($daysBetweenSettlementAndMaturity > $daysPerYear || $daysBetweenSettlementAndMaturity < 0) {
return Functions::NAN();
}
$price = 100 * (1 - (($discount * $daysBetweenSettlementAndMaturity) / 360));
if ($price < 0.0) {
return Functions::NAN();
}
return $price;
}
/**
* TBILLYIELD.
*
* Returns the yield for a Treasury bill.
*
* @param mixed $settlement The Treasury bill's settlement date.
* The Treasury bill's settlement date is the date after the issue date when
* the Treasury bill is traded to the buyer.
* @param mixed $maturity The Treasury bill's maturity date.
* The maturity date is the date when the Treasury bill expires.
* @param mixed $price The Treasury bill's price per $100 face value
*
* @return float|string
*/
public static function yield($settlement, $maturity, $price)
{
$settlement = Functions::flattenSingleValue($settlement);
$maturity = Functions::flattenSingleValue($maturity);
$price = Functions::flattenSingleValue($price);
try {
$settlement = FinancialValidations::validateSettlementDate($settlement);
$maturity = FinancialValidations::validateMaturityDate($maturity);
$price = FinancialValidations::validatePrice($price);
} catch (Exception $e) {
return $e->getMessage();
}
$daysBetweenSettlementAndMaturity = $maturity - $settlement;
$daysPerYear = Helpers::daysPerYear(
DateTimeExcel\DateParts::year($maturity),
FinancialConstants::BASIS_DAYS_PER_YEAR_ACTUAL
);
if ($daysBetweenSettlementAndMaturity > $daysPerYear || $daysBetweenSettlementAndMaturity < 0) {
return Functions::NAN();
}
return ((100 - $price) / $price) * (360 / $daysBetweenSettlementAndMaturity);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
/**
* PARTLY BASED ON:
* Copyright (c) 2007 E. W. Bachtal, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* The software is provided "as is", without warranty of any kind, express or implied, including but not
* limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In
* no event shall the authors or copyright holders be liable for any claim, damages or other liability,
* whether in an action of contract, tort or otherwise, arising from, out of or in connection with the
* software or the use or other dealings in the software.
*
* https://ewbi.blogs.com/develops/2007/03/excel_formula_p.html
* https://ewbi.blogs.com/develops/2004/12/excel_formula_p.html
*/
class FormulaParser
{
// Character constants
const QUOTE_DOUBLE = '"';
const QUOTE_SINGLE = '\'';
const BRACKET_CLOSE = ']';
const BRACKET_OPEN = '[';
const BRACE_OPEN = '{';
const BRACE_CLOSE = '}';
const PAREN_OPEN = '(';
const PAREN_CLOSE = ')';
const SEMICOLON = ';';
const WHITESPACE = ' ';
const COMMA = ',';
const ERROR_START = '#';
const OPERATORS_SN = '+-';
const OPERATORS_INFIX = '+-*/^&=><';
const OPERATORS_POSTFIX = '%';
/**
* Formula.
*
* @var string
*/
private $formula;
/**
* Tokens.
*
* @var FormulaToken[]
*/
private $tokens = [];
/**
* Create a new FormulaParser.
*
* @param string $pFormula Formula to parse
*/
public function __construct($pFormula = '')
{
// Check parameters
if ($pFormula === null) {
throw new Exception('Invalid parameter passed: formula');
}
// Initialise values
$this->formula = trim($pFormula);
// Parse!
$this->parseToTokens();
}
/**
* Get Formula.
*
* @return string
*/
public function getFormula()
{
return $this->formula;
}
/**
* Get Token.
*
* @param int $pId Token id
*/
public function getToken(int $pId = 0): FormulaToken
{
if (isset($this->tokens[$pId])) {
return $this->tokens[$pId];
}
throw new Exception("Token with id $pId does not exist.");
}
/**
* Get Token count.
*
* @return int
*/
public function getTokenCount()
{
return count($this->tokens);
}
/**
* Get Tokens.
*
* @return FormulaToken[]
*/
public function getTokens()
{
return $this->tokens;
}
/**
* Parse to tokens.
*/
private function parseToTokens(): void
{
// No attempt is made to verify formulas; assumes formulas are derived from Excel, where
// they can only exist if valid; stack overflows/underflows sunk as nulls without exceptions.
// Check if the formula has a valid starting =
$formulaLength = strlen($this->formula);
if ($formulaLength < 2 || $this->formula[0] != '=') {
return;
}
// Helper variables
$tokens1 = $tokens2 = $stack = [];
$inString = $inPath = $inRange = $inError = false;
$token = $previousToken = $nextToken = null;
$index = 1;
$value = '';
$ERRORS = ['#NULL!', '#DIV/0!', '#VALUE!', '#REF!', '#NAME?', '#NUM!', '#N/A'];
$COMPARATORS_MULTI = ['>=', '<=', '<>'];
while ($index < $formulaLength) {
// state-dependent character evaluation (order is important)
// double-quoted strings
// embeds are doubled
// end marks token
if ($inString) {
if ($this->formula[$index] == self::QUOTE_DOUBLE) {
if ((($index + 2) <= $formulaLength) && ($this->formula[$index + 1] == self::QUOTE_DOUBLE)) {
$value .= self::QUOTE_DOUBLE;
++$index;
} else {
$inString = false;
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND, FormulaToken::TOKEN_SUBTYPE_TEXT);
$value = '';
}
} else {
$value .= $this->formula[$index];
}
++$index;
continue;
}
// single-quoted strings (links)
// embeds are double
// end does not mark a token
if ($inPath) {
if ($this->formula[$index] == self::QUOTE_SINGLE) {
if ((($index + 2) <= $formulaLength) && ($this->formula[$index + 1] == self::QUOTE_SINGLE)) {
$value .= self::QUOTE_SINGLE;
++$index;
} else {
$inPath = false;
}
} else {
$value .= $this->formula[$index];
}
++$index;
continue;
}
// bracked strings (R1C1 range index or linked workbook name)
// no embeds (changed to "()" by Excel)
// end does not mark a token
if ($inRange) {
if ($this->formula[$index] == self::BRACKET_CLOSE) {
$inRange = false;
}
$value .= $this->formula[$index];
++$index;
continue;
}
// error values
// end marks a token, determined from absolute list of values
if ($inError) {
$value .= $this->formula[$index];
++$index;
if (in_array($value, $ERRORS)) {
$inError = false;
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND, FormulaToken::TOKEN_SUBTYPE_ERROR);
$value = '';
}
continue;
}
// scientific notation check
if (strpos(self::OPERATORS_SN, $this->formula[$index]) !== false) {
if (strlen($value) > 1) {
if (preg_match('/^[1-9]{1}(\\.\\d+)?E{1}$/', $this->formula[$index]) != 0) {
$value .= $this->formula[$index];
++$index;
continue;
}
}
}
// independent character evaluation (order not important)
// establish state-dependent character evaluations
if ($this->formula[$index] == self::QUOTE_DOUBLE) {
if (strlen($value) > 0) {
// unexpected
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_UNKNOWN);
$value = '';
}
$inString = true;
++$index;
continue;
}
if ($this->formula[$index] == self::QUOTE_SINGLE) {
if (strlen($value) > 0) {
// unexpected
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_UNKNOWN);
$value = '';
}
$inPath = true;
++$index;
continue;
}
if ($this->formula[$index] == self::BRACKET_OPEN) {
$inRange = true;
$value .= self::BRACKET_OPEN;
++$index;
continue;
}
if ($this->formula[$index] == self::ERROR_START) {
if (strlen($value) > 0) {
// unexpected
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_UNKNOWN);
$value = '';
}
$inError = true;
$value .= self::ERROR_START;
++$index;
continue;
}
// mark start and end of arrays and array rows
if ($this->formula[$index] == self::BRACE_OPEN) {
if (strlen($value) > 0) {
// unexpected
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_UNKNOWN);
$value = '';
}
$tmp = new FormulaToken('ARRAY', FormulaToken::TOKEN_TYPE_FUNCTION, FormulaToken::TOKEN_SUBTYPE_START);
$tokens1[] = $tmp;
$stack[] = clone $tmp;
$tmp = new FormulaToken('ARRAYROW', FormulaToken::TOKEN_TYPE_FUNCTION, FormulaToken::TOKEN_SUBTYPE_START);
$tokens1[] = $tmp;
$stack[] = clone $tmp;
++$index;
continue;
}
if ($this->formula[$index] == self::SEMICOLON) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tmp = array_pop($stack);
$tmp->setValue('');
$tmp->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_STOP);
$tokens1[] = $tmp;
$tmp = new FormulaToken(',', FormulaToken::TOKEN_TYPE_ARGUMENT);
$tokens1[] = $tmp;
$tmp = new FormulaToken('ARRAYROW', FormulaToken::TOKEN_TYPE_FUNCTION, FormulaToken::TOKEN_SUBTYPE_START);
$tokens1[] = $tmp;
$stack[] = clone $tmp;
++$index;
continue;
}
if ($this->formula[$index] == self::BRACE_CLOSE) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tmp = array_pop($stack);
$tmp->setValue('');
$tmp->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_STOP);
$tokens1[] = $tmp;
$tmp = array_pop($stack);
$tmp->setValue('');
$tmp->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_STOP);
$tokens1[] = $tmp;
++$index;
continue;
}
// trim white-space
if ($this->formula[$index] == self::WHITESPACE) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tokens1[] = new FormulaToken('', FormulaToken::TOKEN_TYPE_WHITESPACE);
++$index;
while (($this->formula[$index] == self::WHITESPACE) && ($index < $formulaLength)) {
++$index;
}
continue;
}
// multi-character comparators
if (($index + 2) <= $formulaLength) {
if (in_array(substr($this->formula, $index, 2), $COMPARATORS_MULTI)) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tokens1[] = new FormulaToken(substr($this->formula, $index, 2), FormulaToken::TOKEN_TYPE_OPERATORINFIX, FormulaToken::TOKEN_SUBTYPE_LOGICAL);
$index += 2;
continue;
}
}
// standard infix operators
if (strpos(self::OPERATORS_INFIX, $this->formula[$index]) !== false) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tokens1[] = new FormulaToken($this->formula[$index], FormulaToken::TOKEN_TYPE_OPERATORINFIX);
++$index;
continue;
}
// standard postfix operators (only one)
if (strpos(self::OPERATORS_POSTFIX, $this->formula[$index]) !== false) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tokens1[] = new FormulaToken($this->formula[$index], FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX);
++$index;
continue;
}
// start subexpression or function
if ($this->formula[$index] == self::PAREN_OPEN) {
if (strlen($value) > 0) {
$tmp = new FormulaToken($value, FormulaToken::TOKEN_TYPE_FUNCTION, FormulaToken::TOKEN_SUBTYPE_START);
$tokens1[] = $tmp;
$stack[] = clone $tmp;
$value = '';
} else {
$tmp = new FormulaToken('', FormulaToken::TOKEN_TYPE_SUBEXPRESSION, FormulaToken::TOKEN_SUBTYPE_START);
$tokens1[] = $tmp;
$stack[] = clone $tmp;
}
++$index;
continue;
}
// function, subexpression, or array parameters, or operand unions
if ($this->formula[$index] == self::COMMA) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tmp = array_pop($stack);
$tmp->setValue('');
$tmp->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_STOP);
$stack[] = $tmp;
if ($tmp->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) {
$tokens1[] = new FormulaToken(',', FormulaToken::TOKEN_TYPE_OPERATORINFIX, FormulaToken::TOKEN_SUBTYPE_UNION);
} else {
$tokens1[] = new FormulaToken(',', FormulaToken::TOKEN_TYPE_ARGUMENT);
}
++$index;
continue;
}
// stop subexpression
if ($this->formula[$index] == self::PAREN_CLOSE) {
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
$value = '';
}
$tmp = array_pop($stack);
$tmp->setValue('');
$tmp->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_STOP);
$tokens1[] = $tmp;
++$index;
continue;
}
// token accumulation
$value .= $this->formula[$index];
++$index;
}
// dump remaining accumulation
if (strlen($value) > 0) {
$tokens1[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERAND);
}
// move tokenList to new set, excluding unnecessary white-space tokens and converting necessary ones to intersections
$tokenCount = count($tokens1);
for ($i = 0; $i < $tokenCount; ++$i) {
$token = $tokens1[$i];
if (isset($tokens1[$i - 1])) {
$previousToken = $tokens1[$i - 1];
} else {
$previousToken = null;
}
if (isset($tokens1[$i + 1])) {
$nextToken = $tokens1[$i + 1];
} else {
$nextToken = null;
}
if ($token === null) {
continue;
}
if ($token->getTokenType() != FormulaToken::TOKEN_TYPE_WHITESPACE) {
$tokens2[] = $token;
continue;
}
if ($previousToken === null) {
continue;
}
if (
!(
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) && ($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERAND)
)
) {
continue;
}
if ($nextToken === null) {
continue;
}
if (
!(
(($nextToken->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) && ($nextToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_START)) ||
(($nextToken->getTokenType() == FormulaToken::TOKEN_TYPE_SUBEXPRESSION) && ($nextToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_START)) ||
($nextToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERAND)
)
) {
continue;
}
$tokens2[] = new FormulaToken($value, FormulaToken::TOKEN_TYPE_OPERATORINFIX, FormulaToken::TOKEN_SUBTYPE_INTERSECTION);
}
// move tokens to final list, switching infix "-" operators to prefix when appropriate, switching infix "+" operators
// to noop when appropriate, identifying operand and infix-operator subtypes, and pulling "@" from function names
$this->tokens = [];
$tokenCount = count($tokens2);
for ($i = 0; $i < $tokenCount; ++$i) {
$token = $tokens2[$i];
if (isset($tokens2[$i - 1])) {
$previousToken = $tokens2[$i - 1];
} else {
$previousToken = null;
}
if (isset($tokens2[$i + 1])) {
$nextToken = $tokens2[$i + 1];
} else {
$nextToken = null;
}
if ($token === null) {
continue;
}
if ($token->getTokenType() == FormulaToken::TOKEN_TYPE_OPERATORINFIX && $token->getValue() == '-') {
if ($i == 0) {
$token->setTokenType(FormulaToken::TOKEN_TYPE_OPERATORPREFIX);
} elseif (
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) &&
($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_SUBEXPRESSION) &&
($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX) ||
($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERAND)
) {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_MATH);
} else {
$token->setTokenType(FormulaToken::TOKEN_TYPE_OPERATORPREFIX);
}
$this->tokens[] = $token;
continue;
}
if ($token->getTokenType() == FormulaToken::TOKEN_TYPE_OPERATORINFIX && $token->getValue() == '+') {
if ($i == 0) {
continue;
} elseif (
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) &&
($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
(($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_SUBEXPRESSION) &&
($previousToken->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_STOP)) ||
($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERATORPOSTFIX) ||
($previousToken->getTokenType() == FormulaToken::TOKEN_TYPE_OPERAND)
) {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_MATH);
} else {
continue;
}
$this->tokens[] = $token;
continue;
}
if (
$token->getTokenType() == FormulaToken::TOKEN_TYPE_OPERATORINFIX &&
$token->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_NOTHING
) {
if (strpos('<>=', substr($token->getValue(), 0, 1)) !== false) {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_LOGICAL);
} elseif ($token->getValue() == '&') {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_CONCATENATION);
} else {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_MATH);
}
$this->tokens[] = $token;
continue;
}
if (
$token->getTokenType() == FormulaToken::TOKEN_TYPE_OPERAND &&
$token->getTokenSubType() == FormulaToken::TOKEN_SUBTYPE_NOTHING
) {
if (!is_numeric($token->getValue())) {
if (strtoupper($token->getValue()) == 'TRUE' || strtoupper($token->getValue()) == 'FALSE') {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_LOGICAL);
} else {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_RANGE);
}
} else {
$token->setTokenSubType(FormulaToken::TOKEN_SUBTYPE_NUMBER);
}
$this->tokens[] = $token;
continue;
}
if ($token->getTokenType() == FormulaToken::TOKEN_TYPE_FUNCTION) {
if (strlen($token->getValue()) > 0) {
if (substr($token->getValue(), 0, 1) == '@') {
$token->setValue(substr($token->getValue(), 1));
}
}
}
$this->tokens[] = $token;
}
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
/**
* PARTLY BASED ON:
* Copyright (c) 2007 E. W. Bachtal, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
* and associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* The software is provided "as is", without warranty of any kind, express or implied, including but not
* limited to the warranties of merchantability, fitness for a particular purpose and noninfringement. In
* no event shall the authors or copyright holders be liable for any claim, damages or other liability,
* whether in an action of contract, tort or otherwise, arising from, out of or in connection with the
* software or the use or other dealings in the software.
*
* https://ewbi.blogs.com/develops/2007/03/excel_formula_p.html
* https://ewbi.blogs.com/develops/2004/12/excel_formula_p.html
*/
class FormulaToken
{
// Token types
const TOKEN_TYPE_NOOP = 'Noop';
const TOKEN_TYPE_OPERAND = 'Operand';
const TOKEN_TYPE_FUNCTION = 'Function';
const TOKEN_TYPE_SUBEXPRESSION = 'Subexpression';
const TOKEN_TYPE_ARGUMENT = 'Argument';
const TOKEN_TYPE_OPERATORPREFIX = 'OperatorPrefix';
const TOKEN_TYPE_OPERATORINFIX = 'OperatorInfix';
const TOKEN_TYPE_OPERATORPOSTFIX = 'OperatorPostfix';
const TOKEN_TYPE_WHITESPACE = 'Whitespace';
const TOKEN_TYPE_UNKNOWN = 'Unknown';
// Token subtypes
const TOKEN_SUBTYPE_NOTHING = 'Nothing';
const TOKEN_SUBTYPE_START = 'Start';
const TOKEN_SUBTYPE_STOP = 'Stop';
const TOKEN_SUBTYPE_TEXT = 'Text';
const TOKEN_SUBTYPE_NUMBER = 'Number';
const TOKEN_SUBTYPE_LOGICAL = 'Logical';
const TOKEN_SUBTYPE_ERROR = 'Error';
const TOKEN_SUBTYPE_RANGE = 'Range';
const TOKEN_SUBTYPE_MATH = 'Math';
const TOKEN_SUBTYPE_CONCATENATION = 'Concatenation';
const TOKEN_SUBTYPE_INTERSECTION = 'Intersection';
const TOKEN_SUBTYPE_UNION = 'Union';
/**
* Value.
*
* @var string
*/
private $value;
/**
* Token Type (represented by TOKEN_TYPE_*).
*
* @var string
*/
private $tokenType;
/**
* Token SubType (represented by TOKEN_SUBTYPE_*).
*
* @var string
*/
private $tokenSubType;
/**
* Create a new FormulaToken.
*
* @param string $pValue
* @param string $pTokenType Token type (represented by TOKEN_TYPE_*)
* @param string $pTokenSubType Token Subtype (represented by TOKEN_SUBTYPE_*)
*/
public function __construct($pValue, $pTokenType = self::TOKEN_TYPE_UNKNOWN, $pTokenSubType = self::TOKEN_SUBTYPE_NOTHING)
{
// Initialise values
$this->value = $pValue;
$this->tokenType = $pTokenType;
$this->tokenSubType = $pTokenSubType;
}
/**
* Get Value.
*
* @return string
*/
public function getValue()
{
return $this->value;
}
/**
* Set Value.
*
* @param string $value
*/
public function setValue($value): void
{
$this->value = $value;
}
/**
* Get Token Type (represented by TOKEN_TYPE_*).
*
* @return string
*/
public function getTokenType()
{
return $this->tokenType;
}
/**
* Set Token Type (represented by TOKEN_TYPE_*).
*
* @param string $value
*/
public function setTokenType($value): void
{
$this->tokenType = $value;
}
/**
* Get Token SubType (represented by TOKEN_SUBTYPE_*).
*
* @return string
*/
public function getTokenSubType()
{
return $this->tokenSubType;
}
/**
* Set Token SubType (represented by TOKEN_SUBTYPE_*).
*
* @param string $value
*/
public function setTokenSubType($value): void
{
$this->tokenSubType = $value;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Shared\Date;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
class Functions
{
const PRECISION = 8.88E-016;
/**
* 2 / PI.
*/
const M_2DIVPI = 0.63661977236758134307553505349006;
/** constants */
const COMPATIBILITY_EXCEL = 'Excel';
const COMPATIBILITY_GNUMERIC = 'Gnumeric';
const COMPATIBILITY_OPENOFFICE = 'OpenOfficeCalc';
const RETURNDATE_PHP_NUMERIC = 'P';
const RETURNDATE_UNIX_TIMESTAMP = 'P';
const RETURNDATE_PHP_OBJECT = 'O';
const RETURNDATE_PHP_DATETIME_OBJECT = 'O';
const RETURNDATE_EXCEL = 'E';
/**
* Compatibility mode to use for error checking and responses.
*
* @var string
*/
protected static $compatibilityMode = self::COMPATIBILITY_EXCEL;
/**
* Data Type to use when returning date values.
*
* @var string
*/
protected static $returnDateType = self::RETURNDATE_EXCEL;
/**
* List of error codes.
*
* @var array
*/
protected static $errorCodes = [
'null' => '#NULL!',
'divisionbyzero' => '#DIV/0!',
'value' => '#VALUE!',
'reference' => '#REF!',
'name' => '#NAME?',
'num' => '#NUM!',
'na' => '#N/A',
'gettingdata' => '#GETTING_DATA',
];
/**
* Set the Compatibility Mode.
*
* @param string $compatibilityMode Compatibility Mode
* Permitted values are:
* Functions::COMPATIBILITY_EXCEL 'Excel'
* Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
* Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
*
* @return bool (Success or Failure)
*/
public static function setCompatibilityMode($compatibilityMode)
{
if (
($compatibilityMode == self::COMPATIBILITY_EXCEL) ||
($compatibilityMode == self::COMPATIBILITY_GNUMERIC) ||
($compatibilityMode == self::COMPATIBILITY_OPENOFFICE)
) {
self::$compatibilityMode = $compatibilityMode;
return true;
}
return false;
}
/**
* Return the current Compatibility Mode.
*
* @return string Compatibility Mode
* Possible Return values are:
* Functions::COMPATIBILITY_EXCEL 'Excel'
* Functions::COMPATIBILITY_GNUMERIC 'Gnumeric'
* Functions::COMPATIBILITY_OPENOFFICE 'OpenOfficeCalc'
*/
public static function getCompatibilityMode()
{
return self::$compatibilityMode;
}
/**
* Set the Return Date Format used by functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object).
*
* @param string $returnDateType Return Date Format
* Permitted values are:
* Functions::RETURNDATE_UNIX_TIMESTAMP 'P'
* Functions::RETURNDATE_PHP_DATETIME_OBJECT 'O'
* Functions::RETURNDATE_EXCEL 'E'
*
* @return bool Success or failure
*/
public static function setReturnDateType($returnDateType)
{
if (
($returnDateType == self::RETURNDATE_UNIX_TIMESTAMP) ||
($returnDateType == self::RETURNDATE_PHP_DATETIME_OBJECT) ||
($returnDateType == self::RETURNDATE_EXCEL)
) {
self::$returnDateType = $returnDateType;
return true;
}
return false;
}
/**
* Return the current Return Date Format for functions that return a date/time (Excel, PHP Serialized Numeric or PHP Object).
*
* @return string Return Date Format
* Possible Return values are:
* Functions::RETURNDATE_UNIX_TIMESTAMP 'P'
* Functions::RETURNDATE_PHP_DATETIME_OBJECT 'O'
* Functions::RETURNDATE_EXCEL 'E'
*/
public static function getReturnDateType()
{
return self::$returnDateType;
}
/**
* DUMMY.
*
* @return string #Not Yet Implemented
*/
public static function DUMMY()
{
return '#Not Yet Implemented';
}
/**
* DIV0.
*
* @return string #Not Yet Implemented
*/
public static function DIV0()
{
return self::$errorCodes['divisionbyzero'];
}
/**
* NA.
*
* Excel Function:
* =NA()
*
* Returns the error value #N/A
* #N/A is the error value that means "no value is available."
*
* @return string #N/A!
*/
public static function NA()
{
return self::$errorCodes['na'];
}
/**
* NaN.
*
* Returns the error value #NUM!
*
* @return string #NUM!
*/
public static function NAN()
{
return self::$errorCodes['num'];
}
/**
* NAME.
*
* Returns the error value #NAME?
*
* @return string #NAME?
*/
public static function NAME()
{
return self::$errorCodes['name'];
}
/**
* REF.
*
* Returns the error value #REF!
*
* @return string #REF!
*/
public static function REF()
{
return self::$errorCodes['reference'];
}
/**
* NULL.
*
* Returns the error value #NULL!
*
* @return string #NULL!
*/
public static function null()
{
return self::$errorCodes['null'];
}
/**
* VALUE.
*
* Returns the error value #VALUE!
*
* @return string #VALUE!
*/
public static function VALUE()
{
return self::$errorCodes['value'];
}
public static function isMatrixValue($idx)
{
return (substr_count($idx, '.') <= 1) || (preg_match('/\.[A-Z]/', $idx) > 0);
}
public static function isValue($idx)
{
return substr_count($idx, '.') == 0;
}
public static function isCellValue($idx)
{
return substr_count($idx, '.') > 1;
}
public static function ifCondition($condition)
{
$condition = self::flattenSingleValue($condition);
if ($condition === '') {
return '=""';
}
if (!is_string($condition) || !in_array($condition[0], ['>', '<', '='])) {
$condition = self::operandSpecialHandling($condition);
if (is_bool($condition)) {
return '=' . ($condition ? 'TRUE' : 'FALSE');
} elseif (!is_numeric($condition)) {
$condition = Calculation::wrapResult(strtoupper($condition));
}
return str_replace('""""', '""', '=' . $condition);
}
preg_match('/(=|<[>=]?|>=?)(.*)/', $condition, $matches);
[, $operator, $operand] = $matches;
$operand = self::operandSpecialHandling($operand);
if (is_numeric(trim($operand, '"'))) {
$operand = trim($operand, '"');
} elseif (!is_numeric($operand) && $operand !== 'FALSE' && $operand !== 'TRUE') {
$operand = str_replace('"', '""', $operand);
$operand = Calculation::wrapResult(strtoupper($operand));
}
return str_replace('""""', '""', $operator . $operand);
}
private static function operandSpecialHandling($operand)
{
if (is_numeric($operand) || is_bool($operand)) {
return $operand;
} elseif (strtoupper($operand) === Calculation::getTRUE() || strtoupper($operand) === Calculation::getFALSE()) {
return strtoupper($operand);
}
// Check for percentage
if (preg_match('/^\-?\d*\.?\d*\s?\%$/', $operand)) {
return ((float) rtrim($operand, '%')) / 100;
}
// Check for dates
if (($dateValueOperand = Date::stringToExcel($operand)) !== false) {
return $dateValueOperand;
}
return $operand;
}
/**
* ERROR_TYPE.
*
* @param mixed $value Value to check
*
* @return int|string
*/
public static function errorType($value = '')
{
$value = self::flattenSingleValue($value);
$i = 1;
foreach (self::$errorCodes as $errorCode) {
if ($value === $errorCode) {
return $i;
}
++$i;
}
return self::NA();
}
/**
* IS_BLANK.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isBlank($value = null)
{
if ($value !== null) {
$value = self::flattenSingleValue($value);
}
return $value === null;
}
/**
* IS_ERR.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isErr($value = '')
{
$value = self::flattenSingleValue($value);
return self::isError($value) && (!self::isNa(($value)));
}
/**
* IS_ERROR.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isError($value = '')
{
$value = self::flattenSingleValue($value);
if (!is_string($value)) {
return false;
}
return in_array($value, self::$errorCodes);
}
/**
* IS_NA.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isNa($value = '')
{
$value = self::flattenSingleValue($value);
return $value === self::NA();
}
/**
* IS_EVEN.
*
* @param mixed $value Value to check
*
* @return bool|string
*/
public static function isEven($value = null)
{
$value = self::flattenSingleValue($value);
if ($value === null) {
return self::NAME();
} elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) {
return self::VALUE();
}
return $value % 2 == 0;
}
/**
* IS_ODD.
*
* @param mixed $value Value to check
*
* @return bool|string
*/
public static function isOdd($value = null)
{
$value = self::flattenSingleValue($value);
if ($value === null) {
return self::NAME();
} elseif ((is_bool($value)) || ((is_string($value)) && (!is_numeric($value)))) {
return self::VALUE();
}
return abs($value) % 2 == 1;
}
/**
* IS_NUMBER.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isNumber($value = null)
{
$value = self::flattenSingleValue($value);
if (is_string($value)) {
return false;
}
return is_numeric($value);
}
/**
* IS_LOGICAL.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isLogical($value = null)
{
$value = self::flattenSingleValue($value);
return is_bool($value);
}
/**
* IS_TEXT.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isText($value = null)
{
$value = self::flattenSingleValue($value);
return is_string($value) && !self::isError($value);
}
/**
* IS_NONTEXT.
*
* @param mixed $value Value to check
*
* @return bool
*/
public static function isNonText($value = null)
{
return !self::isText($value);
}
/**
* N.
*
* Returns a value converted to a number
*
* @param null|mixed $value The value you want converted
*
* @return number N converts values listed in the following table
* If value is or refers to N returns
* A number That number
* A date The serial number of that date
* TRUE 1
* FALSE 0
* An error value The error value
* Anything else 0
*/
public static function n($value = null)
{
while (is_array($value)) {
$value = array_shift($value);
}
switch (gettype($value)) {
case 'double':
case 'float':
case 'integer':
return $value;
case 'boolean':
return (int) $value;
case 'string':
// Errors
if ((strlen($value) > 0) && ($value[0] == '#')) {
return $value;
}
break;
}
return 0;
}
/**
* TYPE.
*
* Returns a number that identifies the type of a value
*
* @param null|mixed $value The value you want tested
*
* @return number N converts values listed in the following table
* If value is or refers to N returns
* A number 1
* Text 2
* Logical Value 4
* An error value 16
* Array or Matrix 64
*/
public static function TYPE($value = null)
{
$value = self::flattenArrayIndexed($value);
if (is_array($value) && (count($value) > 1)) {
end($value);
$a = key($value);
// Range of cells is an error
if (self::isCellValue($a)) {
return 16;
// Test for Matrix
} elseif (self::isMatrixValue($a)) {
return 64;
}
} elseif (empty($value)) {
// Empty Cell
return 1;
}
$value = self::flattenSingleValue($value);
if (($value === null) || (is_float($value)) || (is_int($value))) {
return 1;
} elseif (is_bool($value)) {
return 4;
} elseif (is_array($value)) {
return 64;
} elseif (is_string($value)) {
// Errors
if ((strlen($value) > 0) && ($value[0] == '#')) {
return 16;
}
return 2;
}
return 0;
}
/**
* Convert a multi-dimensional array to a simple 1-dimensional array.
*
* @param array|mixed $array Array to be flattened
*
* @return array Flattened array
*/
public static function flattenArray($array)
{
if (!is_array($array)) {
return (array) $array;
}
$arrayValues = [];
foreach ($array as $value) {
if (is_array($value)) {
foreach ($value as $val) {
if (is_array($val)) {
foreach ($val as $v) {
$arrayValues[] = $v;
}
} else {
$arrayValues[] = $val;
}
}
} else {
$arrayValues[] = $value;
}
}
return $arrayValues;
}
/**
* Convert a multi-dimensional array to a simple 1-dimensional array, but retain an element of indexing.
*
* @param array|mixed $array Array to be flattened
*
* @return array Flattened array
*/
public static function flattenArrayIndexed($array)
{
if (!is_array($array)) {
return (array) $array;
}
$arrayValues = [];
foreach ($array as $k1 => $value) {
if (is_array($value)) {
foreach ($value as $k2 => $val) {
if (is_array($val)) {
foreach ($val as $k3 => $v) {
$arrayValues[$k1 . '.' . $k2 . '.' . $k3] = $v;
}
} else {
$arrayValues[$k1 . '.' . $k2] = $val;
}
}
} else {
$arrayValues[$k1] = $value;
}
}
return $arrayValues;
}
/**
* Convert an array to a single scalar value by extracting the first element.
*
* @param mixed $value Array or scalar value
*
* @return mixed
*/
public static function flattenSingleValue($value = '')
{
while (is_array($value)) {
$value = array_shift($value);
}
return $value;
}
/**
* ISFORMULA.
*
* @param mixed $cellReference The cell to check
* @param ?Cell $pCell The current cell (containing this formula)
*
* @return bool|string
*/
public static function isFormula($cellReference = '', ?Cell $pCell = null)
{
if ($pCell === null) {
return self::REF();
}
$cellReference = self::expandDefinedName((string) $cellReference, $pCell);
$cellReference = self::trimTrailingRange($cellReference);
preg_match('/^' . Calculation::CALCULATION_REGEXP_CELLREF . '$/i', $cellReference, $matches);
$cellReference = $matches[6] . $matches[7];
$worksheetName = str_replace("''", "'", trim($matches[2], "'"));
$worksheet = (!empty($worksheetName))
? $pCell->getWorksheet()->getParent()->getSheetByName($worksheetName)
: $pCell->getWorksheet();
return $worksheet->getCell($cellReference)->isFormula();
}
public static function expandDefinedName(string $pCoordinate, Cell $pCell): string
{
$worksheet = $pCell->getWorksheet();
$spreadsheet = $worksheet->getParent();
// Uppercase coordinate
$pCoordinatex = strtoupper($pCoordinate);
// Eliminate leading equal sign
$pCoordinatex = Worksheet::pregReplace('/^=/', '', $pCoordinatex);
$defined = $spreadsheet->getDefinedName($pCoordinatex, $worksheet);
if ($defined !== null) {
$worksheet2 = $defined->getWorkSheet();
if (!$defined->isFormula() && $worksheet2 !== null) {
$pCoordinate = "'" . $worksheet2->getTitle() . "'!" . Worksheet::pregReplace('/^=/', '', $defined->getValue());
}
}
return $pCoordinate;
}
public static function trimTrailingRange(string $pCoordinate): string
{
return Worksheet::pregReplace('/:[\\w\$]+$/', '', $pCoordinate);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Internal;
class MakeMatrix
{
public static function make(...$args): array
{
return $args;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Internal;
class WildcardMatch
{
private const SEARCH_SET = [
'~~', // convert double tilde to unprintable value
'~\\*', // convert tilde backslash asterisk to [*] (matches literal asterisk in regexp)
'\\*', // convert backslash asterisk to .* (matches string of any length in regexp)
'~\\?', // convert tilde backslash question to [?] (matches literal question mark in regexp)
'\\?', // convert backslash question to . (matches one character in regexp)
"\x1c", // convert original double tilde to single tilde
];
private const REPLACEMENT_SET = [
"\x1c",
'[*]',
'.*',
'[?]',
'.',
'~',
];
public static function wildcard(string $wildcard): string
{
// Preg Escape the wildcard, but protecting the Excel * and ? search characters
return str_replace(self::SEARCH_SET, self::REPLACEMENT_SET, preg_quote($wildcard));
}
public static function compare(string $value, string $wildcard): bool
{
if ($value === '') {
return true;
}
return (bool) preg_match("/^{$wildcard}\$/mui", $value);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Logical\Boolean;
/**
* @deprecated 1.17.0
*/
class Logical
{
/**
* TRUE.
*
* Returns the boolean TRUE.
*
* Excel Function:
* =TRUE()
*
* @Deprecated 1.17.0
*
* @see Logical\Boolean::TRUE()
* Use the TRUE() method in the Logical\Boolean class instead
*
* @return bool True
*/
public static function true(): bool
{
return Boolean::true();
}
/**
* FALSE.
*
* Returns the boolean FALSE.
*
* Excel Function:
* =FALSE()
*
* @Deprecated 1.17.0
*
* @see Logical\Boolean::FALSE()
* Use the FALSE() method in the Logical\Boolean class instead
*
* @return bool False
*/
public static function false(): bool
{
return Boolean::false();
}
/**
* LOGICAL_AND.
*
* Returns boolean TRUE if all its arguments are TRUE; returns FALSE if one or more argument is FALSE.
*
* Excel Function:
* =AND(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @Deprecated 1.17.0
*
* @see Logical\Operations::logicalAnd()
* Use the logicalAnd() method in the Logical\Operations class instead
*
* @param mixed ...$args Data values
*
* @return bool|string the logical AND of the arguments
*/
public static function logicalAnd(...$args)
{
return Logical\Operations::logicalAnd(...$args);
}
/**
* LOGICAL_OR.
*
* Returns boolean TRUE if any argument is TRUE; returns FALSE if all arguments are FALSE.
*
* Excel Function:
* =OR(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @Deprecated 1.17.0
*
* @see Logical\Operations::logicalOr()
* Use the logicalOr() method in the Logical\Operations class instead
*
* @param mixed $args Data values
*
* @return bool|string the logical OR of the arguments
*/
public static function logicalOr(...$args)
{
return Logical\Operations::logicalOr(...$args);
}
/**
* LOGICAL_XOR.
*
* Returns the Exclusive Or logical operation for one or more supplied conditions.
* i.e. the Xor function returns TRUE if an odd number of the supplied conditions evaluate to TRUE,
* and FALSE otherwise.
*
* Excel Function:
* =XOR(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @Deprecated 1.17.0
*
* @see Logical\Operations::logicalXor()
* Use the logicalXor() method in the Logical\Operations class instead
*
* @param mixed $args Data values
*
* @return bool|string the logical XOR of the arguments
*/
public static function logicalXor(...$args)
{
return Logical\Operations::logicalXor(...$args);
}
/**
* NOT.
*
* Returns the boolean inverse of the argument.
*
* Excel Function:
* =NOT(logical)
*
* The argument must evaluate to a logical value such as TRUE or FALSE
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @Deprecated 1.17.0
*
* @see Logical\Operations::NOT()
* Use the NOT() method in the Logical\Operations class instead
*
* @param mixed $logical A value or expression that can be evaluated to TRUE or FALSE
*
* @return bool|string the boolean inverse of the argument
*/
public static function NOT($logical = false)
{
return Logical\Operations::NOT($logical);
}
/**
* STATEMENT_IF.
*
* Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE.
*
* Excel Function:
* =IF(condition[,returnIfTrue[,returnIfFalse]])
*
* Condition is any value or expression that can be evaluated to TRUE or FALSE.
* For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100,
* the expression evaluates to TRUE. Otherwise, the expression evaluates to FALSE.
* This argument can use any comparison calculation operator.
* ReturnIfTrue is the value that is returned if condition evaluates to TRUE.
* For example, if this argument is the text string "Within budget" and the condition argument
* evaluates to TRUE, then the IF function returns the text "Within budget"
* If condition is TRUE and ReturnIfTrue is blank, this argument returns 0 (zero).
* To display the word TRUE, use the logical value TRUE for this argument.
* ReturnIfTrue can be another formula.
* ReturnIfFalse is the value that is returned if condition evaluates to FALSE.
* For example, if this argument is the text string "Over budget" and the condition argument
* evaluates to FALSE, then the IF function returns the text "Over budget".
* If condition is FALSE and ReturnIfFalse is omitted, then the logical value FALSE is returned.
* If condition is FALSE and ReturnIfFalse is blank, then the value 0 (zero) is returned.
* ReturnIfFalse can be another formula.
*
* @Deprecated 1.17.0
*
* @see Logical\Conditional::statementIf()
* Use the statementIf() method in the Logical\Conditional class instead
*
* @param mixed $condition Condition to evaluate
* @param mixed $returnIfTrue Value to return when condition is true
* @param mixed $returnIfFalse Optional value to return when condition is false
*
* @return mixed The value of returnIfTrue or returnIfFalse determined by condition
*/
public static function statementIf($condition = true, $returnIfTrue = 0, $returnIfFalse = false)
{
return Logical\Conditional::statementIf($condition, $returnIfTrue, $returnIfFalse);
}
/**
* STATEMENT_SWITCH.
*
* Returns corresponding with first match (any data type such as a string, numeric, date, etc).
*
* Excel Function:
* =SWITCH (expression, value1, result1, value2, result2, ... value_n, result_n [, default])
*
* Expression
* The expression to compare to a list of values.
* value1, value2, ... value_n
* A list of values that are compared to expression.
* The SWITCH function is looking for the first value that matches the expression.
* result1, result2, ... result_n
* A list of results. The SWITCH function returns the corresponding result when a value
* matches expression.
* default
* Optional. It is the default to return if expression does not match any of the values
* (value1, value2, ... value_n).
*
* @Deprecated 1.17.0
*
* @see Logical\Conditional::statementSwitch()
* Use the statementSwitch() method in the Logical\Conditional class instead
*
* @param mixed $arguments Statement arguments
*
* @return mixed The value of matched expression
*/
public static function statementSwitch(...$arguments)
{
return Logical\Conditional::statementSwitch(...$arguments);
}
/**
* IFERROR.
*
* Excel Function:
* =IFERROR(testValue,errorpart)
*
* @Deprecated 1.17.0
*
* @see Logical\Conditional::IFERROR()
* Use the IFERROR() method in the Logical\Conditional class instead
*
* @param mixed $testValue Value to check, is also the value returned when no error
* @param mixed $errorpart Value to return when testValue is an error condition
*
* @return mixed The value of errorpart or testValue determined by error condition
*/
public static function IFERROR($testValue = '', $errorpart = '')
{
return Logical\Conditional::IFERROR($testValue, $errorpart);
}
/**
* IFNA.
*
* Excel Function:
* =IFNA(testValue,napart)
*
* @Deprecated 1.17.0
*
* @see Logical\Conditional::IFNA()
* Use the IFNA() method in the Logical\Conditional class instead
*
* @param mixed $testValue Value to check, is also the value returned when not an NA
* @param mixed $napart Value to return when testValue is an NA condition
*
* @return mixed The value of errorpart or testValue determined by error condition
*/
public static function IFNA($testValue = '', $napart = '')
{
return Logical\Conditional::IFNA($testValue, $napart);
}
/**
* IFS.
*
* Excel Function:
* =IFS(testValue1;returnIfTrue1;testValue2;returnIfTrue2;...;testValue_n;returnIfTrue_n)
*
* testValue1 ... testValue_n
* Conditions to Evaluate
* returnIfTrue1 ... returnIfTrue_n
* Value returned if corresponding testValue (nth) was true
*
* @Deprecated 1.17.0
*
* @see Logical\Conditional::IFS()
* Use the IFS() method in the Logical\Conditional class instead
*
* @param mixed ...$arguments Statement arguments
*
* @return mixed|string The value of returnIfTrue_n, if testValue_n was true. #N/A if none of testValues was true
*/
public static function IFS(...$arguments)
{
return Logical\Conditional::IFS(...$arguments);
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Logical;
class Boolean
{
/**
* TRUE.
*
* Returns the boolean TRUE.
*
* Excel Function:
* =TRUE()
*
* @return bool True
*/
public static function true(): bool
{
return true;
}
/**
* FALSE.
*
* Returns the boolean FALSE.
*
* Excel Function:
* =FALSE()
*
* @return bool False
*/
public static function false(): bool
{
return false;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Logical;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Conditional
{
/**
* STATEMENT_IF.
*
* Returns one value if a condition you specify evaluates to TRUE and another value if it evaluates to FALSE.
*
* Excel Function:
* =IF(condition[,returnIfTrue[,returnIfFalse]])
*
* Condition is any value or expression that can be evaluated to TRUE or FALSE.
* For example, A10=100 is a logical expression; if the value in cell A10 is equal to 100,
* the expression evaluates to TRUE. Otherwise, the expression evaluates to FALSE.
* This argument can use any comparison calculation operator.
* ReturnIfTrue is the value that is returned if condition evaluates to TRUE.
* For example, if this argument is the text string "Within budget" and
* the condition argument evaluates to TRUE, then the IF function returns the text "Within budget"
* If condition is TRUE and ReturnIfTrue is blank, this argument returns 0 (zero).
* To display the word TRUE, use the logical value TRUE for this argument.
* ReturnIfTrue can be another formula.
* ReturnIfFalse is the value that is returned if condition evaluates to FALSE.
* For example, if this argument is the text string "Over budget" and the condition argument evaluates
* to FALSE, then the IF function returns the text "Over budget".
* If condition is FALSE and ReturnIfFalse is omitted, then the logical value FALSE is returned.
* If condition is FALSE and ReturnIfFalse is blank, then the value 0 (zero) is returned.
* ReturnIfFalse can be another formula.
*
* @param mixed $condition Condition to evaluate
* @param mixed $returnIfTrue Value to return when condition is true
* @param mixed $returnIfFalse Optional value to return when condition is false
*
* @return mixed The value of returnIfTrue or returnIfFalse determined by condition
*/
public static function statementIf($condition = true, $returnIfTrue = 0, $returnIfFalse = false)
{
if (Functions::isError($condition)) {
return $condition;
}
$condition = ($condition === null) ? true : (bool) Functions::flattenSingleValue($condition);
$returnIfTrue = ($returnIfTrue === null) ? 0 : Functions::flattenSingleValue($returnIfTrue);
$returnIfFalse = ($returnIfFalse === null) ? false : Functions::flattenSingleValue($returnIfFalse);
return ($condition) ? $returnIfTrue : $returnIfFalse;
}
/**
* STATEMENT_SWITCH.
*
* Returns corresponding with first match (any data type such as a string, numeric, date, etc).
*
* Excel Function:
* =SWITCH (expression, value1, result1, value2, result2, ... value_n, result_n [, default])
*
* Expression
* The expression to compare to a list of values.
* value1, value2, ... value_n
* A list of values that are compared to expression.
* The SWITCH function is looking for the first value that matches the expression.
* result1, result2, ... result_n
* A list of results. The SWITCH function returns the corresponding result when a value
* matches expression.
* default
* Optional. It is the default to return if expression does not match any of the values
* (value1, value2, ... value_n).
*
* @param mixed $arguments Statement arguments
*
* @return mixed The value of matched expression
*/
public static function statementSwitch(...$arguments)
{
$result = Functions::VALUE();
if (count($arguments) > 0) {
$targetValue = Functions::flattenSingleValue($arguments[0]);
$argc = count($arguments) - 1;
$switchCount = floor($argc / 2);
$hasDefaultClause = $argc % 2 !== 0;
$defaultClause = $argc % 2 === 0 ? null : $arguments[$argc];
$switchSatisfied = false;
if ($switchCount > 0) {
for ($index = 0; $index < $switchCount; ++$index) {
if ($targetValue == $arguments[$index * 2 + 1]) {
$result = $arguments[$index * 2 + 2];
$switchSatisfied = true;
break;
}
}
}
if ($switchSatisfied !== true) {
$result = $hasDefaultClause ? $defaultClause : Functions::NA();
}
}
return $result;
}
/**
* IFERROR.
*
* Excel Function:
* =IFERROR(testValue,errorpart)
*
* @param mixed $testValue Value to check, is also the value returned when no error
* @param mixed $errorpart Value to return when testValue is an error condition
*
* @return mixed The value of errorpart or testValue determined by error condition
*/
public static function IFERROR($testValue = '', $errorpart = '')
{
$testValue = ($testValue === null) ? '' : Functions::flattenSingleValue($testValue);
$errorpart = ($errorpart === null) ? '' : Functions::flattenSingleValue($errorpart);
return self::statementIf(Functions::isError($testValue), $errorpart, $testValue);
}
/**
* IFNA.
*
* Excel Function:
* =IFNA(testValue,napart)
*
* @param mixed $testValue Value to check, is also the value returned when not an NA
* @param mixed $napart Value to return when testValue is an NA condition
*
* @return mixed The value of errorpart or testValue determined by error condition
*/
public static function IFNA($testValue = '', $napart = '')
{
$testValue = ($testValue === null) ? '' : Functions::flattenSingleValue($testValue);
$napart = ($napart === null) ? '' : Functions::flattenSingleValue($napart);
return self::statementIf(Functions::isNa($testValue), $napart, $testValue);
}
/**
* IFS.
*
* Excel Function:
* =IFS(testValue1;returnIfTrue1;testValue2;returnIfTrue2;...;testValue_n;returnIfTrue_n)
*
* testValue1 ... testValue_n
* Conditions to Evaluate
* returnIfTrue1 ... returnIfTrue_n
* Value returned if corresponding testValue (nth) was true
*
* @param mixed ...$arguments Statement arguments
*
* @return mixed|string The value of returnIfTrue_n, if testValue_n was true. #N/A if none of testValues was true
*/
public static function IFS(...$arguments)
{
$argumentCount = count($arguments);
if ($argumentCount % 2 != 0) {
return Functions::NA();
}
// We use instance of Exception as a falseValue in order to prevent string collision with value in cell
$falseValueException = new Exception();
for ($i = 0; $i < $argumentCount; $i += 2) {
$testValue = ($arguments[$i] === null) ? '' : Functions::flattenSingleValue($arguments[$i]);
$returnIfTrue = ($arguments[$i + 1] === null) ? '' : Functions::flattenSingleValue($arguments[$i + 1]);
$result = self::statementIf($testValue, $returnIfTrue, $falseValueException);
if ($result !== $falseValueException) {
return $result;
}
}
return Functions::NA();
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation\Logical;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
class Operations
{
/**
* LOGICAL_AND.
*
* Returns boolean TRUE if all its arguments are TRUE; returns FALSE if one or more argument is FALSE.
*
* Excel Function:
* =AND(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @param mixed ...$args Data values
*
* @return bool|string the logical AND of the arguments
*/
public static function logicalAnd(...$args)
{
$args = Functions::flattenArray($args);
if (count($args) == 0) {
return Functions::VALUE();
}
$args = array_filter($args, function ($value) {
return $value !== null || (is_string($value) && trim($value) == '');
});
$returnValue = self::countTrueValues($args);
if (is_string($returnValue)) {
return $returnValue;
}
$argCount = count($args);
return ($returnValue > 0) && ($returnValue == $argCount);
}
/**
* LOGICAL_OR.
*
* Returns boolean TRUE if any argument is TRUE; returns FALSE if all arguments are FALSE.
*
* Excel Function:
* =OR(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @param mixed $args Data values
*
* @return bool|string the logical OR of the arguments
*/
public static function logicalOr(...$args)
{
$args = Functions::flattenArray($args);
if (count($args) == 0) {
return Functions::VALUE();
}
$args = array_filter($args, function ($value) {
return $value !== null || (is_string($value) && trim($value) == '');
});
$returnValue = self::countTrueValues($args);
if (is_string($returnValue)) {
return $returnValue;
}
return $returnValue > 0;
}
/**
* LOGICAL_XOR.
*
* Returns the Exclusive Or logical operation for one or more supplied conditions.
* i.e. the Xor function returns TRUE if an odd number of the supplied conditions evaluate to TRUE,
* and FALSE otherwise.
*
* Excel Function:
* =XOR(logical1[,logical2[, ...]])
*
* The arguments must evaluate to logical values such as TRUE or FALSE, or the arguments must be arrays
* or references that contain logical values.
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @param mixed $args Data values
*
* @return bool|string the logical XOR of the arguments
*/
public static function logicalXor(...$args)
{
$args = Functions::flattenArray($args);
if (count($args) == 0) {
return Functions::VALUE();
}
$args = array_filter($args, function ($value) {
return $value !== null || (is_string($value) && trim($value) == '');
});
$returnValue = self::countTrueValues($args);
if (is_string($returnValue)) {
return $returnValue;
}
return $returnValue % 2 == 1;
}
/**
* NOT.
*
* Returns the boolean inverse of the argument.
*
* Excel Function:
* =NOT(logical)
*
* The argument must evaluate to a logical value such as TRUE or FALSE
*
* Boolean arguments are treated as True or False as appropriate
* Integer or floating point arguments are treated as True, except for 0 or 0.0 which are False
* If any argument value is a string, or a Null, the function returns a #VALUE! error, unless the string
* holds the value TRUE or FALSE, in which case it is evaluated as the corresponding boolean value
*
* @param mixed $logical A value or expression that can be evaluated to TRUE or FALSE
*
* @return bool|string the boolean inverse of the argument
*/
public static function NOT($logical = false)
{
$logical = Functions::flattenSingleValue($logical);
if (is_string($logical)) {
$logical = mb_strtoupper($logical, 'UTF-8');
if (($logical == 'TRUE') || ($logical == Calculation::getTRUE())) {
return false;
} elseif (($logical == 'FALSE') || ($logical == Calculation::getFALSE())) {
return true;
}
return Functions::VALUE();
}
return !$logical;
}
/**
* @return int|string
*/
private static function countTrueValues(array $args)
{
$trueValueCount = 0;
foreach ($args as $arg) {
// Is it a boolean value?
if (is_bool($arg)) {
$trueValueCount += $arg;
} elseif ((is_numeric($arg)) && (!is_string($arg))) {
$trueValueCount += ((int) $arg != 0);
} elseif (is_string($arg)) {
$arg = mb_strtoupper($arg, 'UTF-8');
if (($arg == 'TRUE') || ($arg == Calculation::getTRUE())) {
$arg = true;
} elseif (($arg == 'FALSE') || ($arg == Calculation::getFALSE())) {
$arg = false;
} else {
return Functions::VALUE();
}
$trueValueCount += ($arg != 0);
}
}
return $trueValueCount;
}
}

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<?php
namespace PhpOffice\PhpSpreadsheet\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Address;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\HLookup;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Indirect;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Lookup;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Matrix;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\Offset;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\RowColumnInformation;
use PhpOffice\PhpSpreadsheet\Calculation\LookupRef\VLookup;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
/**
* @deprecated 1.18.0
*/
class LookupRef
{
/**
* CELL_ADDRESS.
*
* Creates a cell address as text, given specified row and column numbers.
*
* Excel Function:
* =ADDRESS(row, column, [relativity], [referenceStyle], [sheetText])
*
* @Deprecated 1.18.0
*
* @see LookupRef\Address::cell()
* Use the cell() method in the LookupRef\Address class instead
*
* @param mixed $row Row number to use in the cell reference
* @param mixed $column Column number to use in the cell reference
* @param int $relativity Flag indicating the type of reference to return
* 1 or omitted Absolute
* 2 Absolute row; relative column
* 3 Relative row; absolute column
* 4 Relative
* @param bool $referenceStyle A logical value that specifies the A1 or R1C1 reference style.
* TRUE or omitted CELL_ADDRESS returns an A1-style reference
* FALSE CELL_ADDRESS returns an R1C1-style reference
* @param string $sheetText Optional Name of worksheet to use
*
* @return string
*/
public static function cellAddress($row, $column, $relativity = 1, $referenceStyle = true, $sheetText = '')
{
return Address::cell($row, $column, $relativity, $referenceStyle, $sheetText);
}
/**
* COLUMN.
*
* Returns the column number of the given cell reference
* If the cell reference is a range of cells, COLUMN returns the column numbers of each column
* in the reference as a horizontal array.
* If cell reference is omitted, and the function is being called through the calculation engine,
* then it is assumed to be the reference of the cell in which the COLUMN function appears;
* otherwise this function returns 1.
*
* Excel Function:
* =COLUMN([cellAddress])
*
* @Deprecated 1.18.0
*
* @see LookupRef\RowColumnInformation::COLUMN()
* Use the COLUMN() method in the LookupRef\RowColumnInformation class instead
*
* @param null|array|string $cellAddress A reference to a range of cells for which you want the column numbers
*
* @return int|int[]|string
*/
public static function COLUMN($cellAddress = null, ?Cell $cell = null)
{
return RowColumnInformation::COLUMN($cellAddress, $cell);
}
/**
* COLUMNS.
*
* Returns the number of columns in an array or reference.
*
* Excel Function:
* =COLUMNS(cellAddress)
*
* @Deprecated 1.18.0
*
* @see LookupRef\RowColumnInformation::COLUMNS()
* Use the COLUMNS() method in the LookupRef\RowColumnInformation class instead
*
* @param null|array|string $cellAddress An array or array formula, or a reference to a range of cells
* for which you want the number of columns
*
* @return int|string The number of columns in cellAddress, or a string if arguments are invalid
*/
public static function COLUMNS($cellAddress = null)
{
return RowColumnInformation::COLUMNS($cellAddress);
}
/**
* ROW.
*
* Returns the row number of the given cell reference
* If the cell reference is a range of cells, ROW returns the row numbers of each row in the reference
* as a vertical array.
* If cell reference is omitted, and the function is being called through the calculation engine,
* then it is assumed to be the reference of the cell in which the ROW function appears;
* otherwise this function returns 1.
*
* Excel Function:
* =ROW([cellAddress])
*
* @Deprecated 1.18.0
*
* @see LookupRef\RowColumnInformation::ROW()
* Use the ROW() method in the LookupRef\RowColumnInformation class instead
*
* @param null|array|string $cellAddress A reference to a range of cells for which you want the row numbers
*
* @return int|mixed[]|string
*/
public static function ROW($cellAddress = null, ?Cell $cell = null)
{
return RowColumnInformation::ROW($cellAddress, $cell);
}
/**
* ROWS.
*
* Returns the number of rows in an array or reference.
*
* Excel Function:
* =ROWS(cellAddress)
*
* @Deprecated 1.18.0
*
* @see LookupRef\RowColumnInformation::ROWS()
* Use the ROWS() method in the LookupRef\RowColumnInformation class instead
*
* @param null|array|string $cellAddress An array or array formula, or a reference to a range of cells
* for which you want the number of rows
*
* @return int|string The number of rows in cellAddress, or a string if arguments are invalid
*/
public static function ROWS($cellAddress = null)
{
return RowColumnInformation::ROWS($cellAddress);
}
/**
* HYPERLINK.
*
* Excel Function:
* =HYPERLINK(linkURL,displayName)
*
* @Deprecated 1.18.0
*
* @see LookupRef\Hyperlink::set()
* Use the set() method in the LookupRef\Hyperlink class instead
*
* @param mixed $linkURL Expect string. Value to check, is also the value returned when no error
* @param mixed $displayName Expect string. Value to return when testValue is an error condition
* @param Cell $pCell The cell to set the hyperlink in
*
* @return string The value of $displayName (or $linkURL if $displayName was blank)
*/
public static function HYPERLINK($linkURL = '', $displayName = null, ?Cell $pCell = null)
{
return LookupRef\Hyperlink::set($linkURL, $displayName, $pCell);
}
/**
* INDIRECT.
*
* Returns the reference specified by a text string.
* References are immediately evaluated to display their contents.
*
* Excel Function:
* =INDIRECT(cellAddress)
*
* @Deprecated 1.18.0
*
* @see LookupRef\Indirect::INDIRECT()
* Use the INDIRECT() method in the LookupRef\Indirect class instead
*
* NOTE - INDIRECT() does not yet support the optional a1 parameter introduced in Excel 2010
*
* @param array|string $cellAddress $cellAddress The cell address of the current cell (containing this formula)
* @param Cell $pCell The current cell (containing this formula)
*
* @return array|string An array containing a cell or range of cells, or a string on error
*/
public static function INDIRECT($cellAddress, Cell $pCell)
{
return Indirect::INDIRECT($cellAddress, true, $pCell);
}
/**
* OFFSET.
*
* Returns a reference to a range that is a specified number of rows and columns from a cell or range of cells.
* The reference that is returned can be a single cell or a range of cells. You can specify the number of rows and
* the number of columns to be returned.
*
* Excel Function:
* =OFFSET(cellAddress, rows, cols, [height], [width])
*
* @Deprecated 1.18.0
*
* @see LookupRef\Offset::OFFSET()
* Use the OFFSET() method in the LookupRef\Offset class instead
*
* @param null|string $cellAddress The reference from which you want to base the offset.
* Reference must refer to a cell or range of adjacent cells;
* otherwise, OFFSET returns the #VALUE! error value.
* @param mixed $rows The number of rows, up or down, that you want the upper-left cell to refer to.
* Using 5 as the rows argument specifies that the upper-left cell in the
* reference is five rows below reference. Rows can be positive (which means
* below the starting reference) or negative (which means above the starting
* reference).
* @param mixed $columns The number of columns, to the left or right, that you want the upper-left cell
* of the result to refer to. Using 5 as the cols argument specifies that the
* upper-left cell in the reference is five columns to the right of reference.
* Cols can be positive (which means to the right of the starting reference)
* or negative (which means to the left of the starting reference).
* @param mixed $height The height, in number of rows, that you want the returned reference to be.
* Height must be a positive number.
* @param mixed $width The width, in number of columns, that you want the returned reference to be.
* Width must be a positive number.
*
* @return array|string An array containing a cell or range of cells, or a string on error
*/
public static function OFFSET($cellAddress = null, $rows = 0, $columns = 0, $height = null, $width = null, ?Cell $pCell = null)
{
return Offset::OFFSET($cellAddress, $rows, $columns, $height, $width, $pCell);
}
/**
* CHOOSE.
*
* Uses lookup_value to return a value from the list of value arguments.
* Use CHOOSE to select one of up to 254 values based on the lookup_value.
*
* Excel Function:
* =CHOOSE(index_num, value1, [value2], ...)
*
* @Deprecated 1.18.0
*
* @see LookupRef\Selection::choose()
* Use the choose() method in the LookupRef\Selection class instead
*
* @return mixed The selected value
*/
public static function CHOOSE(...$chooseArgs)
{
return LookupRef\Selection::choose(...$chooseArgs);
}
/**
* MATCH.
*
* The MATCH function searches for a specified item in a range of cells
*
* Excel Function:
* =MATCH(lookup_value, lookup_array, [match_type])
*
* @Deprecated 1.18.0
*
* @see LookupRef\ExcelMatch::MATCH()
* Use the MATCH() method in the LookupRef\ExcelMatch class instead
*
* @param mixed $lookupValue The value that you want to match in lookup_array
* @param mixed $lookupArray The range of cells being searched
* @param mixed $matchType The number -1, 0, or 1. -1 means above, 0 means exact match, 1 means below.
* If match_type is 1 or -1, the list has to be ordered.
*
* @return int|string The relative position of the found item
*/
public static function MATCH($lookupValue, $lookupArray, $matchType = 1)
{
return LookupRef\ExcelMatch::MATCH($lookupValue, $lookupArray, $matchType);
}
/**
* INDEX.
*
* Uses an index to choose a value from a reference or array
*
* Excel Function:
* =INDEX(range_array, row_num, [column_num])
*
* @Deprecated 1.18.0
*
* @see LookupRef\Matrix::index()
* Use the index() method in the LookupRef\Matrix class instead
*
* @param mixed $rowNum The row in the array or range from which to return a value.
* If row_num is omitted, column_num is required.
* @param mixed $columnNum The column in the array or range from which to return a value.
* If column_num is omitted, row_num is required.
* @param mixed $matrix
*
* @return mixed the value of a specified cell or array of cells
*/
public static function INDEX($matrix, $rowNum = 0, $columnNum = 0)
{
return Matrix::index($matrix, $rowNum, $columnNum);
}
/**
* TRANSPOSE.
*
* @Deprecated 1.18.0
*
* @see LookupRef\Matrix::transpose()
* Use the transpose() method in the LookupRef\Matrix class instead
*
* @param array $matrixData A matrix of values
*
* @return array
*
* Unlike the Excel TRANSPOSE function, which will only work on a single row or column,
* this function will transpose a full matrix
*/
public static function TRANSPOSE($matrixData)
{
return Matrix::transpose($matrixData);
}
/**
* VLOOKUP
* The VLOOKUP function searches for value in the left-most column of lookup_array and returns the value
* in the same row based on the index_number.
*
* @Deprecated 1.18.0
*
* @see LookupRef\VLookup::lookup()
* Use the lookup() method in the LookupRef\VLookup class instead
*
* @param mixed $lookup_value The value that you want to match in lookup_array
* @param mixed $lookup_array The range of cells being searched
* @param mixed $index_number The column number in table_array from which the matching value must be returned.
* The first column is 1.
* @param mixed $not_exact_match determines if you are looking for an exact match based on lookup_value
*
* @return mixed The value of the found cell
*/
public static function VLOOKUP($lookup_value, $lookup_array, $index_number, $not_exact_match = true)
{
return VLookup::lookup($lookup_value, $lookup_array, $index_number, $not_exact_match);
}
/**
* HLOOKUP
* The HLOOKUP function searches for value in the top-most row of lookup_array and returns the value
* in the same column based on the index_number.
*
* @Deprecated 1.18.0
*
* @see LookupRef\HLookup::lookup()
* Use the lookup() method in the LookupRef\HLookup class instead
*
* @param mixed $lookup_value The value that you want to match in lookup_array
* @param mixed $lookup_array The range of cells being searched
* @param mixed $index_number The row number in table_array from which the matching value must be returned.
* The first row is 1.
* @param mixed $not_exact_match determines if you are looking for an exact match based on lookup_value
*
* @return mixed The value of the found cell
*/
public static function HLOOKUP($lookup_value, $lookup_array, $index_number, $not_exact_match = true)
{
return HLookup::lookup($lookup_value, $lookup_array, $index_number, $not_exact_match);
}
/**
* LOOKUP
* The LOOKUP function searches for value either from a one-row or one-column range or from an array.
*
* @Deprecated 1.18.0
*
* @see LookupRef\Lookup::lookup()
* Use the lookup() method in the LookupRef\Lookup class instead
*
* @param mixed $lookup_value The value that you want to match in lookup_array
* @param mixed $lookup_vector The range of cells being searched
* @param null|mixed $result_vector The column from which the matching value must be returned
*
* @return mixed The value of the found cell
*/
public static function LOOKUP($lookup_value, $lookup_vector, $result_vector = null)
{
return Lookup::lookup($lookup_value, $lookup_vector, $result_vector);
}
/**
* FORMULATEXT.
*
* @Deprecated 1.18.0
*
* @see LookupRef\Formula::text()
* Use the text() method in the LookupRef\Formula class instead
*
* @param mixed $cellReference The cell to check
* @param Cell $pCell The current cell (containing this formula)
*
* @return string
*/
public static function FORMULATEXT($cellReference = '', ?Cell $pCell = null)
{
return LookupRef\Formula::text($cellReference, $pCell);
}
}

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