1203 lines
40 KiB
PHP
1203 lines
40 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2011 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/**
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* PHPExcel_Calculation_DateTime
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*
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* @category PHPExcel
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* @package PHPExcel_Calculation
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Calculation_DateTime {
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public static function _isLeapYear($year) {
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return ((($year % 4) == 0) && (($year % 100) != 0) || (($year % 400) == 0));
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} // function _isLeapYear()
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private static function _dateDiff360($startDay, $startMonth, $startYear, $endDay, $endMonth, $endYear, $methodUS) {
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if ($startDay == 31) {
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--$startDay;
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} elseif ($methodUS && ($startMonth == 2 && ($startDay == 29 || ($startDay == 28 && !self::_isLeapYear($startYear))))) {
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$startDay = 30;
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}
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if ($endDay == 31) {
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if ($methodUS && $startDay != 30) {
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$endDay = 1;
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if ($endMonth == 12) {
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++$endYear;
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$endMonth = 1;
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} else {
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++$endMonth;
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}
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} else {
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$endDay = 30;
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}
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}
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return $endDay + $endMonth * 30 + $endYear * 360 - $startDay - $startMonth * 30 - $startYear * 360;
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} // function _dateDiff360()
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/**
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* _getDateValue
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*
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* @param string $dateValue
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* @return mixed Excel date/time serial value, or string if error
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*/
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public static function _getDateValue($dateValue) {
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if (!is_numeric($dateValue)) {
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if ((is_string($dateValue)) && (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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if ((is_object($dateValue)) && ($dateValue instanceof PHPExcel_Shared_Date::$dateTimeObjectType)) {
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$dateValue = PHPExcel_Shared_Date::PHPToExcel($dateValue);
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} else {
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$saveReturnDateType = PHPExcel_Calculation_Functions::getReturnDateType();
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PHPExcel_Calculation_Functions::setReturnDateType(PHPExcel_Calculation_Functions::RETURNDATE_EXCEL);
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$dateValue = self::DATEVALUE($dateValue);
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PHPExcel_Calculation_Functions::setReturnDateType($saveReturnDateType);
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}
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}
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return $dateValue;
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} // function _getDateValue()
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/**
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* _getTimeValue
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*
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* @param string $timeValue
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* @return mixed Excel date/time serial value, or string if error
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*/
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private static function _getTimeValue($timeValue) {
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$saveReturnDateType = PHPExcel_Calculation_Functions::getReturnDateType();
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PHPExcel_Calculation_Functions::setReturnDateType(PHPExcel_Calculation_Functions::RETURNDATE_EXCEL);
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$timeValue = self::TIMEVALUE($timeValue);
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PHPExcel_Calculation_Functions::setReturnDateType($saveReturnDateType);
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return $timeValue;
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} // function _getTimeValue()
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private static function _adjustDateByMonths($dateValue = 0, $adjustmentMonths = 0) {
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// Execute function
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$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
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$oMonth = (int) $PHPDateObject->format('m');
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$oYear = (int) $PHPDateObject->format('Y');
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$adjustmentMonthsString = (string) $adjustmentMonths;
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if ($adjustmentMonths > 0) {
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$adjustmentMonthsString = '+'.$adjustmentMonths;
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}
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if ($adjustmentMonths != 0) {
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$PHPDateObject->modify($adjustmentMonthsString.' months');
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}
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$nMonth = (int) $PHPDateObject->format('m');
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$nYear = (int) $PHPDateObject->format('Y');
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$monthDiff = ($nMonth - $oMonth) + (($nYear - $oYear) * 12);
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if ($monthDiff != $adjustmentMonths) {
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$adjustDays = (int) $PHPDateObject->format('d');
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$adjustDaysString = '-'.$adjustDays.' days';
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$PHPDateObject->modify($adjustDaysString);
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}
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return $PHPDateObject;
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} // function _adjustDateByMonths()
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/**
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* DATETIMENOW
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*
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function DATETIMENOW() {
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$saveTimeZone = date_default_timezone_get();
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date_default_timezone_set('UTC');
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$retValue = False;
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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$retValue = (float) PHPExcel_Shared_Date::PHPToExcel(time());
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
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$retValue = (integer) time();
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
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$retValue = new DateTime();
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break;
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}
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date_default_timezone_set($saveTimeZone);
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return $retValue;
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} // function DATETIMENOW()
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/**
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* DATENOW
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*
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function DATENOW() {
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$saveTimeZone = date_default_timezone_get();
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date_default_timezone_set('UTC');
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$retValue = False;
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$excelDateTime = floor(PHPExcel_Shared_Date::PHPToExcel(time()));
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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$retValue = (float) $excelDateTime;
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
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$retValue = (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateTime);
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
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$retValue = PHPExcel_Shared_Date::ExcelToPHPObject($excelDateTime);
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break;
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}
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date_default_timezone_set($saveTimeZone);
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return $retValue;
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} // function DATENOW()
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/**
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* DATE
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*
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* @param long $year
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* @param long $month
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* @param long $day
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function DATE($year = 0, $month = 1, $day = 1) {
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$year = PHPExcel_Calculation_Functions::flattenSingleValue($year);
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$month = PHPExcel_Calculation_Functions::flattenSingleValue($month);
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$day = PHPExcel_Calculation_Functions::flattenSingleValue($day);
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$year = ($year !== NULL) ? PHPExcel_Shared_String::testStringAsNumeric($year) : 0;
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$month = ($month !== NULL) ? PHPExcel_Shared_String::testStringAsNumeric($month) : 0;
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$day = ($day !== NULL) ? PHPExcel_Shared_String::testStringAsNumeric($day) : 0;
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if ((!is_numeric($year)) ||
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(!is_numeric($month)) ||
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(!is_numeric($day))) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$year = (integer) $year;
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$month = (integer) $month;
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$day = (integer) $day;
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$baseYear = PHPExcel_Shared_Date::getExcelCalendar();
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// Validate parameters
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if ($year < ($baseYear-1900)) {
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return PHPExcel_Calculation_Functions::NaN();
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}
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if ((($baseYear-1900) != 0) && ($year < $baseYear) && ($year >= 1900)) {
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return PHPExcel_Calculation_Functions::NaN();
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}
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if (($year < $baseYear) && ($year >= ($baseYear-1900))) {
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$year += 1900;
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}
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if ($month < 1) {
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// Handle year/month adjustment if month < 1
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--$month;
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$year += ceil($month / 12) - 1;
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$month = 13 - abs($month % 12);
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} elseif ($month > 12) {
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// Handle year/month adjustment if month > 12
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$year += floor($month / 12);
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$month = ($month % 12);
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}
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// Re-validate the year parameter after adjustments
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if (($year < $baseYear) || ($year >= 10000)) {
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return PHPExcel_Calculation_Functions::NaN();
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}
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// Execute function
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$excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel($year, $month, $day);
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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return (float) $excelDateValue;
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
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return (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateValue);
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
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return PHPExcel_Shared_Date::ExcelToPHPObject($excelDateValue);
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break;
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}
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} // function DATE()
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/**
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* TIME
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*
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* @param long $hour
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* @param long $minute
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* @param long $second
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function TIME($hour = 0, $minute = 0, $second = 0) {
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$hour = PHPExcel_Calculation_Functions::flattenSingleValue($hour);
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$minute = PHPExcel_Calculation_Functions::flattenSingleValue($minute);
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$second = PHPExcel_Calculation_Functions::flattenSingleValue($second);
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if ($hour == '') { $hour = 0; }
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if ($minute == '') { $minute = 0; }
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if ($second == '') { $second = 0; }
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if ((!is_numeric($hour)) || (!is_numeric($minute)) || (!is_numeric($second))) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$hour = (integer) $hour;
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$minute = (integer) $minute;
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$second = (integer) $second;
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if ($second < 0) {
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$minute += floor($second / 60);
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$second = 60 - abs($second % 60);
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if ($second == 60) { $second = 0; }
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} elseif ($second >= 60) {
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$minute += floor($second / 60);
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$second = $second % 60;
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}
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if ($minute < 0) {
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$hour += floor($minute / 60);
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$minute = 60 - abs($minute % 60);
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if ($minute == 60) { $minute = 0; }
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} elseif ($minute >= 60) {
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$hour += floor($minute / 60);
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$minute = $minute % 60;
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}
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if ($hour > 23) {
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$hour = $hour % 24;
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} elseif ($hour < 0) {
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return PHPExcel_Calculation_Functions::NaN();
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}
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// Execute function
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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$date = 0;
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$calendar = PHPExcel_Shared_Date::getExcelCalendar();
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if ($calendar != PHPExcel_Shared_Date::CALENDAR_WINDOWS_1900) {
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$date = 1;
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}
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return (float) PHPExcel_Shared_Date::FormattedPHPToExcel($calendar, 1, $date, $hour, $minute, $second);
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
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return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::FormattedPHPToExcel(1970, 1, 1, $hour, $minute, $second)); // -2147468400; // -2147472000 + 3600
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
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$dayAdjust = 0;
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if ($hour < 0) {
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$dayAdjust = floor($hour / 24);
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$hour = 24 - abs($hour % 24);
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if ($hour == 24) { $hour = 0; }
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} elseif ($hour >= 24) {
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$dayAdjust = floor($hour / 24);
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$hour = $hour % 24;
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}
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$phpDateObject = new DateTime('1900-01-01 '.$hour.':'.$minute.':'.$second);
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if ($dayAdjust != 0) {
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$phpDateObject->modify($dayAdjust.' days');
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}
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return $phpDateObject;
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break;
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}
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} // function TIME()
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/**
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* DATEVALUE
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*
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* @param string $dateValue
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function DATEVALUE($dateValue = 1) {
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$dateValue = trim(PHPExcel_Calculation_Functions::flattenSingleValue($dateValue),'"');
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// Strip any ordinals because they're allowed in Excel (English only)
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$dateValue = preg_replace('/(\d)(st|nd|rd|th)([ -\/])/Ui','$1$3',$dateValue);
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// Convert separators (/ . or space) to hyphens (should also handle dot used for ordinals in some countries, e.g. Denmark, Germany)
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$dateValue = str_replace(array('/','.','-',' '),array(' ',' ',' ',' '),$dateValue);
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$yearFound = false;
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$t1 = explode(' ',$dateValue);
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foreach($t1 as &$t) {
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if ((is_numeric($t)) && ($t > 31)) {
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if ($yearFound) {
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return PHPExcel_Calculation_Functions::VALUE();
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} else {
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if ($t < 100) { $t += 1900; }
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$yearFound = true;
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}
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}
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}
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if ((count($t1) == 1) && (strpos($t,':') != false)) {
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// We've been fed a time value without any date
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return 0.0;
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} elseif (count($t1) == 2) {
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// We only have two parts of the date: either day/month or month/year
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if ($yearFound) {
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array_unshift($t1,1);
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} else {
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array_push($t1,date('Y'));
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}
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}
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unset($t);
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$dateValue = implode(' ',$t1);
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$PHPDateArray = date_parse($dateValue);
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if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) {
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$testVal1 = strtok($dateValue,'- ');
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if ($testVal1 !== False) {
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$testVal2 = strtok('- ');
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if ($testVal2 !== False) {
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$testVal3 = strtok('- ');
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if ($testVal3 === False) {
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$testVal3 = strftime('%Y');
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}
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} else {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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} else {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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$PHPDateArray = date_parse($testVal1.'-'.$testVal2.'-'.$testVal3);
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if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) {
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$PHPDateArray = date_parse($testVal2.'-'.$testVal1.'-'.$testVal3);
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if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) {
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return PHPExcel_Calculation_Functions::VALUE();
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}
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}
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}
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if (($PHPDateArray !== False) && ($PHPDateArray['error_count'] == 0)) {
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// Execute function
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if ($PHPDateArray['year'] == '') { $PHPDateArray['year'] = strftime('%Y'); }
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if ($PHPDateArray['year'] < 1900)
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return PHPExcel_Calculation_Functions::VALUE();
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if ($PHPDateArray['month'] == '') { $PHPDateArray['month'] = strftime('%m'); }
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if ($PHPDateArray['day'] == '') { $PHPDateArray['day'] = strftime('%d'); }
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$excelDateValue = floor(PHPExcel_Shared_Date::FormattedPHPToExcel($PHPDateArray['year'],$PHPDateArray['month'],$PHPDateArray['day'],$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second']));
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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return (float) $excelDateValue;
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
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return (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateValue);
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break;
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case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
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return new DateTime($PHPDateArray['year'].'-'.$PHPDateArray['month'].'-'.$PHPDateArray['day'].' 00:00:00');
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break;
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}
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}
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return PHPExcel_Calculation_Functions::VALUE();
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} // function DATEVALUE()
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/**
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* TIMEVALUE
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*
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* @param string $timeValue
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* @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object,
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* depending on the value of the ReturnDateType flag
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*/
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public static function TIMEVALUE($timeValue) {
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$timeValue = trim(PHPExcel_Calculation_Functions::flattenSingleValue($timeValue),'"');
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$timeValue = str_replace(array('/','.'),array('-','-'),$timeValue);
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$PHPDateArray = date_parse($timeValue);
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if (($PHPDateArray !== False) && ($PHPDateArray['error_count'] == 0)) {
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if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) {
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$excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel($PHPDateArray['year'],$PHPDateArray['month'],$PHPDateArray['day'],$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second']);
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} else {
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$excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel(1900,1,1,$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second']) - 1;
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}
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switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
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case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
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|
return (float) $excelDateValue;
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
|
|
return (integer) $phpDateValue = PHPExcel_Shared_Date::ExcelToPHP($excelDateValue+25569) - 3600;;
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
|
|
return new DateTime('1900-01-01 '.$PHPDateArray['hour'].':'.$PHPDateArray['minute'].':'.$PHPDateArray['second']);
|
|
break;
|
|
}
|
|
}
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} // function TIMEVALUE()
|
|
|
|
|
|
/**
|
|
* DATEDIF
|
|
*
|
|
* @param long $startDate Excel date serial value or a standard date string
|
|
* @param long $endDate Excel date serial value or a standard date string
|
|
* @param string $unit
|
|
* @return long Interval between the dates
|
|
*/
|
|
public static function DATEDIF($startDate = 0, $endDate = 0, $unit = 'D') {
|
|
$startDate = PHPExcel_Calculation_Functions::flattenSingleValue($startDate);
|
|
$endDate = PHPExcel_Calculation_Functions::flattenSingleValue($endDate);
|
|
$unit = strtoupper(PHPExcel_Calculation_Functions::flattenSingleValue($unit));
|
|
|
|
if (is_string($startDate = self::_getDateValue($startDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
if (is_string($endDate = self::_getDateValue($endDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
|
|
// Validate parameters
|
|
if ($startDate >= $endDate) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$difference = $endDate - $startDate;
|
|
|
|
$PHPStartDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($startDate);
|
|
$startDays = $PHPStartDateObject->format('j');
|
|
$startMonths = $PHPStartDateObject->format('n');
|
|
$startYears = $PHPStartDateObject->format('Y');
|
|
|
|
$PHPEndDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($endDate);
|
|
$endDays = $PHPEndDateObject->format('j');
|
|
$endMonths = $PHPEndDateObject->format('n');
|
|
$endYears = $PHPEndDateObject->format('Y');
|
|
|
|
$retVal = PHPExcel_Calculation_Functions::NaN();
|
|
switch ($unit) {
|
|
case 'D':
|
|
$retVal = intval($difference);
|
|
break;
|
|
case 'M':
|
|
$retVal = intval($endMonths - $startMonths) + (intval($endYears - $startYears) * 12);
|
|
// We're only interested in full months
|
|
if ($endDays < $startDays) {
|
|
--$retVal;
|
|
}
|
|
break;
|
|
case 'Y':
|
|
$retVal = intval($endYears - $startYears);
|
|
// We're only interested in full months
|
|
if ($endMonths < $startMonths) {
|
|
--$retVal;
|
|
} elseif (($endMonths == $startMonths) && ($endDays < $startDays)) {
|
|
--$retVal;
|
|
}
|
|
break;
|
|
case 'MD':
|
|
if ($endDays < $startDays) {
|
|
$retVal = $endDays;
|
|
$PHPEndDateObject->modify('-'.$endDays.' days');
|
|
$adjustDays = $PHPEndDateObject->format('j');
|
|
if ($adjustDays > $startDays) {
|
|
$retVal += ($adjustDays - $startDays);
|
|
}
|
|
} else {
|
|
$retVal = $endDays - $startDays;
|
|
}
|
|
break;
|
|
case 'YM':
|
|
$retVal = intval($endMonths - $startMonths);
|
|
if ($retVal < 0) $retVal = 12 + $retVal;
|
|
// We're only interested in full months
|
|
if ($endDays < $startDays) {
|
|
--$retVal;
|
|
}
|
|
break;
|
|
case 'YD':
|
|
$retVal = intval($difference);
|
|
if ($endYears > $startYears) {
|
|
while ($endYears > $startYears) {
|
|
$PHPEndDateObject->modify('-1 year');
|
|
$endYears = $PHPEndDateObject->format('Y');
|
|
}
|
|
$retVal = $PHPEndDateObject->format('z') - $PHPStartDateObject->format('z');
|
|
if ($retVal < 0) { $retVal += 365; }
|
|
}
|
|
break;
|
|
}
|
|
return $retVal;
|
|
} // function DATEDIF()
|
|
|
|
|
|
/**
|
|
* DAYS360
|
|
*
|
|
* @param long $startDate Excel date serial value or a standard date string
|
|
* @param long $endDate Excel date serial value or a standard date string
|
|
* @param boolean $method US or European Method
|
|
* @return long PHP date/time serial
|
|
*/
|
|
public static function DAYS360($startDate = 0, $endDate = 0, $method = false) {
|
|
$startDate = PHPExcel_Calculation_Functions::flattenSingleValue($startDate);
|
|
$endDate = PHPExcel_Calculation_Functions::flattenSingleValue($endDate);
|
|
|
|
if (is_string($startDate = self::_getDateValue($startDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
if (is_string($endDate = self::_getDateValue($endDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPStartDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($startDate);
|
|
$startDay = $PHPStartDateObject->format('j');
|
|
$startMonth = $PHPStartDateObject->format('n');
|
|
$startYear = $PHPStartDateObject->format('Y');
|
|
|
|
$PHPEndDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($endDate);
|
|
$endDay = $PHPEndDateObject->format('j');
|
|
$endMonth = $PHPEndDateObject->format('n');
|
|
$endYear = $PHPEndDateObject->format('Y');
|
|
|
|
return self::_dateDiff360($startDay, $startMonth, $startYear, $endDay, $endMonth, $endYear, !$method);
|
|
} // function DAYS360()
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param mixed $startDate Excel date serial value (float), PHP date timestamp (integer) or date object, or a standard date string
|
|
* @param mixed $endDate Excel date serial value (float), PHP date timestamp (integer) or date object, or a standard date string
|
|
* @param integer $method Method used for the calculation
|
|
* 0 or omitted US (NASD) 30/360
|
|
* 1 Actual/actual
|
|
* 2 Actual/360
|
|
* 3 Actual/365
|
|
* 4 European 30/360
|
|
* @return float fraction of the year
|
|
*/
|
|
public static function YEARFRAC($startDate = 0, $endDate = 0, $method = 0) {
|
|
$startDate = PHPExcel_Calculation_Functions::flattenSingleValue($startDate);
|
|
$endDate = PHPExcel_Calculation_Functions::flattenSingleValue($endDate);
|
|
$method = PHPExcel_Calculation_Functions::flattenSingleValue($method);
|
|
|
|
if (is_string($startDate = self::_getDateValue($startDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
if (is_string($endDate = self::_getDateValue($endDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
|
|
if (((is_numeric($method)) && (!is_string($method))) || ($method == '')) {
|
|
switch($method) {
|
|
case 0 :
|
|
return self::DAYS360($startDate,$endDate) / 360;
|
|
break;
|
|
case 1 :
|
|
$days = self::DATEDIF($startDate,$endDate);
|
|
$startYear = self::YEAR($startDate);
|
|
$endYear = self::YEAR($endDate);
|
|
$years = $endYear - $startYear + 1;
|
|
$leapDays = 0;
|
|
if ($years == 1) {
|
|
if (self::_isLeapYear($endYear)) {
|
|
$startMonth = self::MONTHOFYEAR($startDate);
|
|
$endMonth = self::MONTHOFYEAR($endDate);
|
|
$endDay = self::DAYOFMONTH($endDate);
|
|
if (($startMonth < 3) ||
|
|
(($endMonth * 100 + $endDay) >= (2 * 100 + 29))) {
|
|
$leapDays += 1;
|
|
}
|
|
}
|
|
} else {
|
|
for($year = $startYear; $year <= $endYear; ++$year) {
|
|
if ($year == $startYear) {
|
|
$startMonth = self::MONTHOFYEAR($startDate);
|
|
$startDay = self::DAYOFMONTH($startDate);
|
|
if ($startMonth < 3) {
|
|
$leapDays += (self::_isLeapYear($year)) ? 1 : 0;
|
|
}
|
|
} elseif($year == $endYear) {
|
|
$endMonth = self::MONTHOFYEAR($endDate);
|
|
$endDay = self::DAYOFMONTH($endDate);
|
|
if (($endMonth * 100 + $endDay) >= (2 * 100 + 29)) {
|
|
$leapDays += (self::_isLeapYear($year)) ? 1 : 0;
|
|
}
|
|
} else {
|
|
$leapDays += (self::_isLeapYear($year)) ? 1 : 0;
|
|
}
|
|
}
|
|
if ($years == 2) {
|
|
if (($leapDays == 0) && (self::_isLeapYear($startYear)) && ($days > 365)) {
|
|
$leapDays = 1;
|
|
} elseif ($days < 366) {
|
|
$years = 1;
|
|
}
|
|
}
|
|
$leapDays /= $years;
|
|
}
|
|
return $days / (365 + $leapDays);
|
|
break;
|
|
case 2 :
|
|
return self::DATEDIF($startDate,$endDate) / 360;
|
|
break;
|
|
case 3 :
|
|
return self::DATEDIF($startDate,$endDate) / 365;
|
|
break;
|
|
case 4 :
|
|
return self::DAYS360($startDate,$endDate,True) / 360;
|
|
break;
|
|
}
|
|
}
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} // function YEARFRAC()
|
|
|
|
|
|
/**
|
|
* NETWORKDAYS
|
|
*
|
|
* @param mixed Start date
|
|
* @param mixed End date
|
|
* @param array of mixed Optional Date Series
|
|
* @return long Interval between the dates
|
|
*/
|
|
public static function NETWORKDAYS($startDate,$endDate) {
|
|
// Retrieve the mandatory start and end date that are referenced in the function definition
|
|
$startDate = PHPExcel_Calculation_Functions::flattenSingleValue($startDate);
|
|
$endDate = PHPExcel_Calculation_Functions::flattenSingleValue($endDate);
|
|
// Flush the mandatory start and end date that are referenced in the function definition, and get the optional days
|
|
$dateArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args());
|
|
array_shift($dateArgs);
|
|
array_shift($dateArgs);
|
|
|
|
// Validate the start and end dates
|
|
if (is_string($startDate = $sDate = self::_getDateValue($startDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
$startDate = (float) floor($startDate);
|
|
if (is_string($endDate = $eDate = self::_getDateValue($endDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
$endDate = (float) floor($endDate);
|
|
|
|
if ($sDate > $eDate) {
|
|
$startDate = $eDate;
|
|
$endDate = $sDate;
|
|
}
|
|
|
|
// Execute function
|
|
$startDoW = 6 - self::DAYOFWEEK($startDate,2);
|
|
if ($startDoW < 0) { $startDoW = 0; }
|
|
$endDoW = self::DAYOFWEEK($endDate,2);
|
|
if ($endDoW >= 6) { $endDoW = 0; }
|
|
|
|
$wholeWeekDays = floor(($endDate - $startDate) / 7) * 5;
|
|
$partWeekDays = $endDoW + $startDoW;
|
|
if ($partWeekDays > 5) {
|
|
$partWeekDays -= 5;
|
|
}
|
|
|
|
// Test any extra holiday parameters
|
|
$holidayCountedArray = array();
|
|
foreach ($dateArgs as $holidayDate) {
|
|
if (is_string($holidayDate = self::_getDateValue($holidayDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
if (($holidayDate >= $startDate) && ($holidayDate <= $endDate)) {
|
|
if ((self::DAYOFWEEK($holidayDate,2) < 6) && (!in_array($holidayDate,$holidayCountedArray))) {
|
|
--$partWeekDays;
|
|
$holidayCountedArray[] = $holidayDate;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ($sDate > $eDate) {
|
|
return 0 - ($wholeWeekDays + $partWeekDays);
|
|
}
|
|
return $wholeWeekDays + $partWeekDays;
|
|
} // function NETWORKDAYS()
|
|
|
|
|
|
/**
|
|
* WORKDAY
|
|
*
|
|
* @param mixed Start date
|
|
* @param mixed number of days for adjustment
|
|
* @param array of mixed Optional Date Series
|
|
* @return long Interval between the dates
|
|
*/
|
|
public static function WORKDAY($startDate,$endDays) {
|
|
// Retrieve the mandatory start date and days that are referenced in the function definition
|
|
$startDate = PHPExcel_Calculation_Functions::flattenSingleValue($startDate);
|
|
$endDays = (int) PHPExcel_Calculation_Functions::flattenSingleValue($endDays);
|
|
// Flush the mandatory start date and days that are referenced in the function definition, and get the optional days
|
|
$dateArgs = PHPExcel_Calculation_Functions::flattenArray(func_get_args());
|
|
array_shift($dateArgs);
|
|
array_shift($dateArgs);
|
|
|
|
if ((is_string($startDate = self::_getDateValue($startDate))) || (!is_numeric($endDays))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
$startDate = (float) floor($startDate);
|
|
// If endDays is 0, we always return startDate
|
|
if ($endDays == 0) { return $startDate; }
|
|
|
|
$decrementing = ($endDays < 0) ? True : False;
|
|
|
|
// Adjust the start date if it falls over a weekend
|
|
|
|
$startDoW = self::DAYOFWEEK($startDate,3);
|
|
if (self::DAYOFWEEK($startDate,3) >= 5) {
|
|
$startDate += ($decrementing) ? -$startDoW + 4: 7 - $startDoW;
|
|
($decrementing) ? $endDays++ : $endDays--;
|
|
}
|
|
|
|
// Add endDays
|
|
$endDate = (float) $startDate + (intval($endDays / 5) * 7) + ($endDays % 5);
|
|
|
|
// Adjust the calculated end date if it falls over a weekend
|
|
$endDoW = self::DAYOFWEEK($endDate,3);
|
|
if ($endDoW >= 5) {
|
|
$endDate += ($decrementing) ? -$endDoW + 4: 7 - $endDoW;
|
|
}
|
|
|
|
// Test any extra holiday parameters
|
|
if (!empty($dateArgs)) {
|
|
$holidayCountedArray = $holidayDates = array();
|
|
foreach ($dateArgs as $holidayDate) {
|
|
if (($holidayDate !== NULL) && (trim($holidayDate) > '')) {
|
|
if (is_string($holidayDate = self::_getDateValue($holidayDate))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
if (self::DAYOFWEEK($holidayDate,3) < 5) {
|
|
$holidayDates[] = $holidayDate;
|
|
}
|
|
}
|
|
}
|
|
if ($decrementing) {
|
|
rsort($holidayDates, SORT_NUMERIC);
|
|
} else {
|
|
sort($holidayDates, SORT_NUMERIC);
|
|
}
|
|
foreach ($holidayDates as $holidayDate) {
|
|
if ($decrementing) {
|
|
if (($holidayDate <= $startDate) && ($holidayDate >= $endDate)) {
|
|
if (!in_array($holidayDate,$holidayCountedArray)) {
|
|
--$endDate;
|
|
$holidayCountedArray[] = $holidayDate;
|
|
}
|
|
}
|
|
} else {
|
|
if (($holidayDate >= $startDate) && ($holidayDate <= $endDate)) {
|
|
if (!in_array($holidayDate,$holidayCountedArray)) {
|
|
++$endDate;
|
|
$holidayCountedArray[] = $holidayDate;
|
|
}
|
|
}
|
|
}
|
|
// Adjust the calculated end date if it falls over a weekend
|
|
$endDoW = self::DAYOFWEEK($endDate,3);
|
|
if ($endDoW >= 5) {
|
|
$endDate += ($decrementing) ? -$endDoW + 4: 7 - $endDoW;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
|
|
return (float) $endDate;
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
|
|
return (integer) PHPExcel_Shared_Date::ExcelToPHP($endDate);
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
|
|
return PHPExcel_Shared_Date::ExcelToPHPObject($endDate);
|
|
break;
|
|
}
|
|
} // function WORKDAY()
|
|
|
|
|
|
/**
|
|
* DAYOFMONTH
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @return int Day
|
|
*/
|
|
public static function DAYOFMONTH($dateValue = 1) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif ($dateValue == 0.0) {
|
|
return 0;
|
|
} elseif ($dateValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
|
|
|
|
return (int) $PHPDateObject->format('j');
|
|
} // function DAYOFMONTH()
|
|
|
|
|
|
/**
|
|
* DAYOFWEEK
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @return int Day
|
|
*/
|
|
public static function DAYOFWEEK($dateValue = 1, $style = 1) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
$style = PHPExcel_Calculation_Functions::flattenSingleValue($style);
|
|
|
|
if (!is_numeric($style)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif (($style < 1) || ($style > 3)) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
$style = floor($style);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif ($dateValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
|
|
$DoW = $PHPDateObject->format('w');
|
|
|
|
$firstDay = 1;
|
|
switch ($style) {
|
|
case 1: ++$DoW;
|
|
break;
|
|
case 2: if ($DoW == 0) { $DoW = 7; }
|
|
break;
|
|
case 3: if ($DoW == 0) { $DoW = 7; }
|
|
$firstDay = 0;
|
|
--$DoW;
|
|
break;
|
|
}
|
|
if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_EXCEL) {
|
|
// Test for Excel's 1900 leap year, and introduce the error as required
|
|
if (($PHPDateObject->format('Y') == 1900) && ($PHPDateObject->format('n') <= 2)) {
|
|
--$DoW;
|
|
if ($DoW < $firstDay) {
|
|
$DoW += 7;
|
|
}
|
|
}
|
|
}
|
|
|
|
return (int) $DoW;
|
|
} // function DAYOFWEEK()
|
|
|
|
|
|
/**
|
|
* WEEKOFYEAR
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @param boolean $method Week begins on Sunday or Monday
|
|
* @return int Week Number
|
|
*/
|
|
public static function WEEKOFYEAR($dateValue = 1, $method = 1) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
$method = PHPExcel_Calculation_Functions::flattenSingleValue($method);
|
|
|
|
if (!is_numeric($method)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif (($method < 1) || ($method > 2)) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
$method = floor($method);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif ($dateValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
|
|
$dayOfYear = $PHPDateObject->format('z');
|
|
$dow = $PHPDateObject->format('w');
|
|
$PHPDateObject->modify('-'.$dayOfYear.' days');
|
|
$dow = $PHPDateObject->format('w');
|
|
$daysInFirstWeek = 7 - (($dow + (2 - $method)) % 7);
|
|
$dayOfYear -= $daysInFirstWeek;
|
|
$weekOfYear = ceil($dayOfYear / 7) + 1;
|
|
|
|
return (int) $weekOfYear;
|
|
} // function WEEKOFYEAR()
|
|
|
|
|
|
/**
|
|
* MONTHOFYEAR
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @return int Month
|
|
*/
|
|
public static function MONTHOFYEAR($dateValue = 1) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif ($dateValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
|
|
|
|
return (int) $PHPDateObject->format('n');
|
|
} // function MONTHOFYEAR()
|
|
|
|
|
|
/**
|
|
* YEAR
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @return int Year
|
|
*/
|
|
public static function YEAR($dateValue = 1) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
} elseif ($dateValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($dateValue);
|
|
|
|
return (int) $PHPDateObject->format('Y');
|
|
} // function YEAR()
|
|
|
|
|
|
/**
|
|
* HOUROFDAY
|
|
*
|
|
* @param mixed $timeValue Excel time serial value or a standard time string
|
|
* @return int Hour
|
|
*/
|
|
public static function HOUROFDAY($timeValue = 0) {
|
|
$timeValue = PHPExcel_Calculation_Functions::flattenSingleValue($timeValue);
|
|
|
|
if (!is_numeric($timeValue)) {
|
|
if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
|
|
$testVal = strtok($timeValue,'/-: ');
|
|
if (strlen($testVal) < strlen($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
$timeValue = self::_getTimeValue($timeValue);
|
|
if (is_string($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
// Execute function
|
|
if ($timeValue >= 1) {
|
|
$timeValue = fmod($timeValue,1);
|
|
} elseif ($timeValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
$timeValue = PHPExcel_Shared_Date::ExcelToPHP($timeValue);
|
|
|
|
return (int) gmdate('G',$timeValue);
|
|
} // function HOUROFDAY()
|
|
|
|
|
|
/**
|
|
* MINUTEOFHOUR
|
|
*
|
|
* @param long $timeValue Excel time serial value or a standard time string
|
|
* @return int Minute
|
|
*/
|
|
public static function MINUTEOFHOUR($timeValue = 0) {
|
|
$timeValue = $timeTester = PHPExcel_Calculation_Functions::flattenSingleValue($timeValue);
|
|
|
|
if (!is_numeric($timeValue)) {
|
|
if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
|
|
$testVal = strtok($timeValue,'/-: ');
|
|
if (strlen($testVal) < strlen($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
$timeValue = self::_getTimeValue($timeValue);
|
|
if (is_string($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
// Execute function
|
|
if ($timeValue >= 1) {
|
|
$timeValue = fmod($timeValue,1);
|
|
} elseif ($timeValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
$timeValue = PHPExcel_Shared_Date::ExcelToPHP($timeValue);
|
|
|
|
return (int) gmdate('i',$timeValue);
|
|
} // function MINUTEOFHOUR()
|
|
|
|
|
|
/**
|
|
* SECONDOFMINUTE
|
|
*
|
|
* @param long $timeValue Excel time serial value or a standard time string
|
|
* @return int Second
|
|
*/
|
|
public static function SECONDOFMINUTE($timeValue = 0) {
|
|
$timeValue = PHPExcel_Calculation_Functions::flattenSingleValue($timeValue);
|
|
|
|
if (!is_numeric($timeValue)) {
|
|
if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC) {
|
|
$testVal = strtok($timeValue,'/-: ');
|
|
if (strlen($testVal) < strlen($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
$timeValue = self::_getTimeValue($timeValue);
|
|
if (is_string($timeValue)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
}
|
|
// Execute function
|
|
if ($timeValue >= 1) {
|
|
$timeValue = fmod($timeValue,1);
|
|
} elseif ($timeValue < 0.0) {
|
|
return PHPExcel_Calculation_Functions::NaN();
|
|
}
|
|
$timeValue = PHPExcel_Shared_Date::ExcelToPHP($timeValue);
|
|
|
|
return (int) gmdate('s',$timeValue);
|
|
} // function SECONDOFMINUTE()
|
|
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @param int $adjustmentMonths Number of months to adjust by
|
|
* @return long Excel date serial value
|
|
*/
|
|
public static function EDATE($dateValue = 1, $adjustmentMonths = 0) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
$adjustmentMonths = PHPExcel_Calculation_Functions::flattenSingleValue($adjustmentMonths);
|
|
|
|
if (!is_numeric($adjustmentMonths)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
$adjustmentMonths = floor($adjustmentMonths);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = self::_adjustDateByMonths($dateValue,$adjustmentMonths);
|
|
|
|
switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
|
|
return (float) PHPExcel_Shared_Date::PHPToExcel($PHPDateObject);
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
|
|
return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::PHPToExcel($PHPDateObject));
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
|
|
return $PHPDateObject;
|
|
break;
|
|
}
|
|
} // function EDATE()
|
|
|
|
|
|
/**
|
|
* EOMONTH
|
|
*
|
|
* Returns the serial number 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.
|
|
*
|
|
* @param long $dateValue Excel date serial value or a standard date string
|
|
* @param int $adjustmentMonths Number of months to adjust by
|
|
* @return long Excel date serial value
|
|
*/
|
|
public static function EOMONTH($dateValue = 1, $adjustmentMonths = 0) {
|
|
$dateValue = PHPExcel_Calculation_Functions::flattenSingleValue($dateValue);
|
|
$adjustmentMonths = PHPExcel_Calculation_Functions::flattenSingleValue($adjustmentMonths);
|
|
|
|
if (!is_numeric($adjustmentMonths)) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
$adjustmentMonths = floor($adjustmentMonths);
|
|
|
|
if (is_string($dateValue = self::_getDateValue($dateValue))) {
|
|
return PHPExcel_Calculation_Functions::VALUE();
|
|
}
|
|
|
|
// Execute function
|
|
$PHPDateObject = self::_adjustDateByMonths($dateValue,$adjustmentMonths+1);
|
|
$adjustDays = (int) $PHPDateObject->format('d');
|
|
$adjustDaysString = '-'.$adjustDays.' days';
|
|
$PHPDateObject->modify($adjustDaysString);
|
|
|
|
switch (PHPExcel_Calculation_Functions::getReturnDateType()) {
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL :
|
|
return (float) PHPExcel_Shared_Date::PHPToExcel($PHPDateObject);
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC :
|
|
return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::PHPToExcel($PHPDateObject));
|
|
break;
|
|
case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT :
|
|
return $PHPDateObject;
|
|
break;
|
|
}
|
|
} // function EOMONTH()
|
|
|
|
} // class PHPExcel_Calculation_DateTime
|
|
|