Add version files and new GIF images for UI components
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315
themes/codebase4.0/grid-excel-php/lib/PHPExcel/Shared/Date.php
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315
themes/codebase4.0/grid-excel-php/lib/PHPExcel/Shared/Date.php
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<?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_Shared
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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 1.7.6, 2011-02-27
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*/
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/**
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* PHPExcel_Shared_Date
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*
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* @category PHPExcel
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* @package PHPExcel_Shared
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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_Shared_Date
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{
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/** constants */
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const CALENDAR_WINDOWS_1900 = 1900; // Base date of 1st Jan 1900 = 1.0
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const CALENDAR_MAC_1904 = 1904; // Base date of 2nd Jan 1904 = 1.0
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private static $ExcelBaseDate = self::CALENDAR_WINDOWS_1900;
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public static $dateTimeObjectType = 'DateTime';
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/**
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* Set the Excel calendar (Windows 1900 or Mac 1904)
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*
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* @param integer $baseDate Excel base date
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* @return boolean Success or failure
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*/
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public static function setExcelCalendar($baseDate) {
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if (($baseDate == self::CALENDAR_WINDOWS_1900) ||
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($baseDate == self::CALENDAR_MAC_1904)) {
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self::$ExcelBaseDate = $baseDate;
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return True;
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}
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return False;
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} // function setExcelCalendar()
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/**
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* Return the Excel calendar (Windows 1900 or Mac 1904)
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*
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* @return integer $baseDate Excel base date
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*/
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public static function getExcelCalendar() {
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return self::$ExcelBaseDate;
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} // function getExcelCalendar()
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/**
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* Convert a date from Excel to PHP
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*
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* @param long $dateValue Excel date/time value
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* @return long PHP serialized date/time
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*/
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public static function ExcelToPHP($dateValue = 0) {
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if (self::$ExcelBaseDate == self::CALENDAR_WINDOWS_1900) {
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$myExcelBaseDate = 25569;
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// Adjust for the spurious 29-Feb-1900 (Day 60)
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if ($dateValue < 60) {
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--$myExcelBaseDate;
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}
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} else {
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$myExcelBaseDate = 24107;
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}
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// Perform conversion
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if ($dateValue >= 1) {
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$utcDays = $dateValue - $myExcelBaseDate;
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$returnValue = round($utcDays * 24 * 60 * 60);
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if (($returnValue <= PHP_INT_MAX) && ($returnValue >= -PHP_INT_MAX)) {
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$returnValue = (integer) $returnValue;
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}
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} else {
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$hours = round($dateValue * 24);
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$mins = round($dateValue * 24 * 60) - round($hours * 60);
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$secs = round($dateValue * 24 * 60 * 60) - round($hours * 60 * 60) - round($mins * 60);
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$returnValue = (integer) gmmktime($hours, $mins, $secs);
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}
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// Return
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return $returnValue;
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} // function ExcelToPHP()
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/**
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* Convert a date from Excel to a PHP Date/Time object
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*
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* @param long $dateValue Excel date/time value
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* @return long PHP date/time object
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*/
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public static function ExcelToPHPObject($dateValue = 0) {
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$dateTime = self::ExcelToPHP($dateValue);
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$days = floor($dateTime / 86400);
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$time = round((($dateTime / 86400) - $days) * 86400);
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$hours = round($time / 3600);
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$minutes = round($time / 60) - ($hours * 60);
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$seconds = round($time) - ($hours * 3600) - ($minutes * 60);
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$dateObj = date_create('1-Jan-1970+'.$days.' days');
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$dateObj->setTime($hours,$minutes,$seconds);
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return $dateObj;
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} // function ExcelToPHPObject()
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/**
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* Convert a date from PHP to Excel
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*
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* @param mixed $dateValue PHP serialized date/time or date object
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* @return mixed Excel date/time value
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* or boolean False on failure
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*/
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public static function PHPToExcel($dateValue = 0) {
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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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if ((is_object($dateValue)) && ($dateValue instanceof self::$dateTimeObjectType)) {
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$retValue = self::FormattedPHPToExcel( $dateValue->format('Y'), $dateValue->format('m'), $dateValue->format('d'),
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$dateValue->format('H'), $dateValue->format('i'), $dateValue->format('s')
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);
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} elseif (is_numeric($dateValue)) {
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$retValue = self::FormattedPHPToExcel( date('Y',$dateValue), date('m',$dateValue), date('d',$dateValue),
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date('H',$dateValue), date('i',$dateValue), date('s',$dateValue)
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);
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}
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date_default_timezone_set($saveTimeZone);
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return $retValue;
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} // function PHPToExcel()
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/**
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* FormattedPHPToExcel
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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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* @param long $hours
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* @param long $minutes
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* @param long $seconds
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* @return long Excel date/time value
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*/
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public static function FormattedPHPToExcel($year, $month, $day, $hours=0, $minutes=0, $seconds=0) {
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if (self::$ExcelBaseDate == self::CALENDAR_WINDOWS_1900) {
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//
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// Fudge factor for the erroneous fact that the year 1900 is treated as a Leap Year in MS Excel
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// This affects every date following 28th February 1900
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//
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$excel1900isLeapYear = True;
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if (($year == 1900) && ($month <= 2)) { $excel1900isLeapYear = False; }
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$myExcelBaseDate = 2415020;
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} else {
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$myExcelBaseDate = 2416481;
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$excel1900isLeapYear = False;
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}
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// Julian base date Adjustment
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if ($month > 2) {
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$month = $month - 3;
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} else {
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$month = $month + 9;
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--$year;
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}
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// Calculate the Julian Date, then subtract the Excel base date (JD 2415020 = 31-Dec-1899 Giving Excel Date of 0)
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$century = substr($year,0,2);
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$decade = substr($year,2,2);
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$excelDate = floor((146097 * $century) / 4) + floor((1461 * $decade) / 4) + floor((153 * $month + 2) / 5) + $day + 1721119 - $myExcelBaseDate + $excel1900isLeapYear;
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$excelTime = (($hours * 3600) + ($minutes * 60) + $seconds) / 86400;
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return (float) $excelDate + $excelTime;
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} // function FormattedPHPToExcel()
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/**
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* Is a given cell a date/time?
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*
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* @param PHPExcel_Cell $pCell
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* @return boolean
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*/
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public static function isDateTime(PHPExcel_Cell $pCell) {
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return self::isDateTimeFormat($pCell->getParent()->getStyle($pCell->getCoordinate())->getNumberFormat());
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} // function isDateTime()
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/**
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* Is a given number format a date/time?
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*
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* @param PHPExcel_Style_NumberFormat $pFormat
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* @return boolean
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*/
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public static function isDateTimeFormat(PHPExcel_Style_NumberFormat $pFormat) {
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return self::isDateTimeFormatCode($pFormat->getFormatCode());
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} // function isDateTimeFormat()
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private static $possibleDateFormatCharacters = 'ymdHs';
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/**
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* Is a given number format code a date/time?
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*
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* @param string $pFormatCode
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* @return boolean
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*/
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public static function isDateTimeFormatCode($pFormatCode = '') {
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// Switch on formatcode
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switch ($pFormatCode) {
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_YYYYMMDD:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_YYYYMMDD2:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_DDMMYYYY:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_DMYSLASH:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_DMYMINUS:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_DMMINUS:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_MYMINUS:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_DATETIME:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME1:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME2:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME3:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME4:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME5:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME6:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME7:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_TIME8:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_YYYYMMDDSLASH:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX14:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX15:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX16:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX17:
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case PHPExcel_Style_NumberFormat::FORMAT_DATE_XLSX22:
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return true;
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}
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// Typically number, currency or accounting (or occasionally fraction) formats
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if ((substr($pFormatCode,0,1) == '_') || (substr($pFormatCode,0,2) == '0 ')) {
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return false;
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}
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// Try checking for any of the date formatting characters that don't appear within square braces
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if (preg_match('/(^|\])[^\[]*['.self::$possibleDateFormatCharacters.']/i',$pFormatCode)) {
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// We might also have a format mask containing quoted strings...
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// we don't want to test for any of our characters within the quoted blocks
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if (strpos($pFormatCode,'"') !== false) {
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$i = false;
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foreach(explode('"',$pFormatCode) as $subVal) {
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// Only test in alternate array entries (the non-quoted blocks)
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if (($i = !$i) && (preg_match('/(^|\])[^\[]*['.self::$possibleDateFormatCharacters.']/i',$subVal))) {
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return true;
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}
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}
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return false;
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}
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return true;
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}
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// No date...
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return false;
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} // function isDateTimeFormatCode()
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/**
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* Convert a date/time string to Excel time
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*
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* @param string $dateValue Examples: '2009-12-31', '2009-12-31 15:59', '2009-12-31 15:59:10'
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* @return float|false Excel date/time serial value
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*/
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public static function stringToExcel($dateValue = '') {
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if (strlen($dateValue) < 2)
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return false;
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if (!preg_match('/^(\d{1,4}[ \.\/\-][A-Z]{3,9}([ \.\/\-]\d{1,4})?|[A-Z]{3,9}[ \.\/\-]\d{1,4}([ \.\/\-]\d{1,4})?|\d{1,4}[ \.\/\-]\d{1,4}([ \.\/\-]\d{1,4})?)( \d{1,2}:\d{1,2}(:\d{1,2})?)?$/iu', $dateValue))
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return false;
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$dateValueNew = PHPExcel_Calculation_DateTime::DATEVALUE($dateValue);
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if ($dateValueNew === PHPExcel_Calculation_Functions::VALUE()) {
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return false;
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} else {
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if (strpos($dateValue, ':') !== false) {
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$timeValue = PHPExcel_Calculation_DateTime::TIMEVALUE($dateValue);
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if ($timeValue === PHPExcel_Calculation_Functions::VALUE()) {
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return false;
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}
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$dateValueNew += $timeValue;
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}
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return $dateValueNew;
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}
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}
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}
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