| <?php | 
| /** | 
|  * PHPExcel | 
|  * | 
|  * Copyright (c) 2006 - 2012 PHPExcel | 
|  * | 
|  * This library is free software; you can redistribute it and/or | 
|  * modify it under the terms of the GNU Lesser General Public | 
|  * License as published by the Free Software Foundation; either | 
|  * version 2.1 of the License, or (at your option) any later version. | 
|  * | 
|  * This library is distributed in the hope that it will be useful, | 
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 
|  * Lesser General Public License for more details. | 
|  * | 
|  * You should have received a copy of the GNU Lesser General Public | 
|  * License along with this library; if not, write to the Free Software | 
|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | 
|  * | 
|  * @category    PHPExcel | 
|  * @package        PHPExcel_Calculation | 
|  * @copyright    Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
|  * @license        http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL | 
|  * @version        1.7.7, 2012-05-19 | 
|  */ | 
|   | 
|   | 
| /** PHPExcel root directory */ | 
| if (!defined('PHPEXCEL_ROOT')) { | 
|     /** | 
|      * @ignore | 
|      */ | 
|     define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); | 
|     require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); | 
| } | 
|   | 
|   | 
| /** | 
|  * PHPExcel_Calculation_DateTime | 
|  * | 
|  * @category    PHPExcel | 
|  * @package        PHPExcel_Calculation | 
|  * @copyright    Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel) | 
|  */ | 
| class PHPExcel_Calculation_DateTime { | 
|   | 
|     /** | 
|      * Identify if a year is a leap year or not | 
|      * | 
|      * @param    integer    $year    The year to test | 
|      * @return    boolean            TRUE if the year is a leap year, otherwise FALSE | 
|      */ | 
|     public static function _isLeapYear($year) { | 
|         return ((($year % 4) == 0) && (($year % 100) != 0) || (($year % 400) == 0)); | 
|     }    //    function _isLeapYear() | 
|   | 
|   | 
|     private static function _dateDiff360($startDay, $startMonth, $startYear, $endDay, $endMonth, $endYear, $methodUS) { | 
|         if ($startDay == 31) { | 
|             --$startDay; | 
|         } elseif ($methodUS && ($startMonth == 2 && ($startDay == 29 || ($startDay == 28 && !self::_isLeapYear($startYear))))) { | 
|             $startDay = 30; | 
|         } | 
|         if ($endDay == 31) { | 
|             if ($methodUS && $startDay != 30) { | 
|                 $endDay = 1; | 
|                 if ($endMonth == 12) { | 
|                     ++$endYear; | 
|                     $endMonth = 1; | 
|                 } else { | 
|                     ++$endMonth; | 
|                 } | 
|             } else { | 
|                 $endDay = 30; | 
|             } | 
|         } | 
|   | 
|         return $endDay + $endMonth * 30 + $endYear * 360 - $startDay - $startMonth * 30 - $startYear * 360; | 
|     }    //    function _dateDiff360() | 
|   | 
|   | 
|     /** | 
|      * _getDateValue | 
|      * | 
|      * @param    string    $dateValue | 
|      * @return    mixed    Excel date/time serial value, or string if error | 
|      */ | 
|     public static function _getDateValue($dateValue) { | 
|         if (!is_numeric($dateValue)) { | 
|             if ((is_string($dateValue)) && | 
|                 (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_GNUMERIC)) { | 
|                 return PHPExcel_Calculation_Functions::VALUE(); | 
|             } | 
|             if ((is_object($dateValue)) && ($dateValue instanceof PHPExcel_Shared_Date::$dateTimeObjectType)) { | 
|                 $dateValue = PHPExcel_Shared_Date::PHPToExcel($dateValue); | 
|             } else { | 
|                 $saveReturnDateType = PHPExcel_Calculation_Functions::getReturnDateType(); | 
|                 PHPExcel_Calculation_Functions::setReturnDateType(PHPExcel_Calculation_Functions::RETURNDATE_EXCEL); | 
|                 $dateValue = self::DATEVALUE($dateValue); | 
|                 PHPExcel_Calculation_Functions::setReturnDateType($saveReturnDateType); | 
|             } | 
|         } | 
|         return $dateValue; | 
|     }    //    function _getDateValue() | 
|   | 
|   | 
|     /** | 
|      * _getTimeValue | 
|      * | 
|      * @param    string    $timeValue | 
|      * @return    mixed    Excel date/time serial value, or string if error | 
|      */ | 
|     private static function _getTimeValue($timeValue) { | 
|         $saveReturnDateType = PHPExcel_Calculation_Functions::getReturnDateType(); | 
|         PHPExcel_Calculation_Functions::setReturnDateType(PHPExcel_Calculation_Functions::RETURNDATE_EXCEL); | 
|         $timeValue = self::TIMEVALUE($timeValue); | 
|         PHPExcel_Calculation_Functions::setReturnDateType($saveReturnDateType); | 
|         return $timeValue; | 
|     }    //    function _getTimeValue() | 
|   | 
|   | 
|     private static function _adjustDateByMonths($dateValue = 0, $adjustmentMonths = 0) { | 
|         // Execute function | 
|         $PHPDateObject = PHPExcel_Shared_Date::ExcelToPHPObject($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; | 
|     }    //    function _adjustDateByMonths() | 
|   | 
|   | 
|     /** | 
|      * 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        NOW() | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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() { | 
|         $saveTimeZone = date_default_timezone_get(); | 
|         date_default_timezone_set('UTC'); | 
|         $retValue = False; | 
|         switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                     $retValue = (float) PHPExcel_Shared_Date::PHPToExcel(time()); | 
|                     break; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     $retValue = (integer) time(); | 
|                     break; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     $retValue = new DateTime(); | 
|                     break; | 
|         } | 
|         date_default_timezone_set($saveTimeZone); | 
|   | 
|         return $retValue; | 
|     }    //    function DATETIMENOW() | 
|   | 
|   | 
|     /** | 
|      * 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        TODAY() | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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() { | 
|         $saveTimeZone = date_default_timezone_get(); | 
|         date_default_timezone_set('UTC'); | 
|         $retValue = False; | 
|         $excelDateTime = floor(PHPExcel_Shared_Date::PHPToExcel(time())); | 
|         switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                     $retValue = (float) $excelDateTime; | 
|                     break; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     $retValue = (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateTime); | 
|                     break; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     $retValue = PHPExcel_Shared_Date::ExcelToPHPObject($excelDateTime); | 
|                     break; | 
|         } | 
|         date_default_timezone_set($saveTimeZone); | 
|   | 
|         return $retValue; | 
|     }    //    function DATENOW() | 
|   | 
|   | 
|     /** | 
|      * 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        DATE(year,month,day) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @param    integer        $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    integer        $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    integer        $day    A positive or negative integer representing the day of the month | 
|      *                                from 1 to 31. | 
|      *                                If day is greater than the number of days in the month specified, | 
|      *                                day adds that number of days to the first day in the month. For | 
|      *                                example, DATE(2008,1,35) returns the serial number representing | 
|      *                                February 4, 2008. | 
|      *                                If day is less than 1, day subtracts the magnitude that number of | 
|      *                                days, plus one, from the first day of the month specified. For | 
|      *                                example, DATE(2008,1,-15) returns the serial number representing | 
|      *                                December 16, 2007. | 
|      * @return    mixed    Excel date/time serial value, PHP date/time serial value or PHP date/time object, | 
|      *                        depending on the value of the ReturnDateType flag | 
|      */ | 
|     public static function DATE($year = 0, $month = 1, $day = 1) { | 
|         $year    = PHPExcel_Calculation_Functions::flattenSingleValue($year); | 
|         $month    = PHPExcel_Calculation_Functions::flattenSingleValue($month); | 
|         $day    = PHPExcel_Calculation_Functions::flattenSingleValue($day); | 
|   | 
|         $year    = ($year !== NULL)    ? PHPExcel_Shared_String::testStringAsNumeric($year) : 0; | 
|         $month    = ($month !== NULL)    ? PHPExcel_Shared_String::testStringAsNumeric($month) : 0; | 
|         $day    = ($day !== NULL)    ? PHPExcel_Shared_String::testStringAsNumeric($day) : 0; | 
|         if ((!is_numeric($year)) || | 
|             (!is_numeric($month)) || | 
|             (!is_numeric($day))) { | 
|             return PHPExcel_Calculation_Functions::VALUE(); | 
|         } | 
|         $year    = (integer) $year; | 
|         $month    = (integer) $month; | 
|         $day    = (integer) $day; | 
|   | 
|         $baseYear = PHPExcel_Shared_Date::getExcelCalendar(); | 
|         // Validate parameters | 
|         if ($year < ($baseYear-1900)) { | 
|             return PHPExcel_Calculation_Functions::NaN(); | 
|         } | 
|         if ((($baseYear-1900) != 0) && ($year < $baseYear) && ($year >= 1900)) { | 
|             return PHPExcel_Calculation_Functions::NaN(); | 
|         } | 
|   | 
|         if (($year < $baseYear) && ($year >= ($baseYear-1900))) { | 
|             $year += 1900; | 
|         } | 
|   | 
|         if ($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)) { | 
|             return PHPExcel_Calculation_Functions::NaN(); | 
|         } | 
|   | 
|         // Execute function | 
|         $excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel($year, $month, $day); | 
|         switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                     return (float) $excelDateValue; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     return (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateValue); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     return PHPExcel_Shared_Date::ExcelToPHPObject($excelDateValue); | 
|         } | 
|     }    //    function DATE() | 
|   | 
|   | 
|     /** | 
|      * 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        TIME(hour,minute,second) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @param    integer        $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    integer        $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    integer        $second        A number from 0 to 32767 representing the second. | 
|      *                                    Any value greater than 59 will be converted to hours, minutes, | 
|      *                                    and seconds. For example, TIME(0,0,2000) = TIME(0,33,22) = .023148 | 
|      *                                    or 12:33:20 AM | 
|      * @return    mixed    Excel date/time serial value, PHP date/time serial value or PHP date/time object, | 
|      *                        depending on the value of the ReturnDateType flag | 
|      */ | 
|     public static function TIME($hour = 0, $minute = 0, $second = 0) { | 
|         $hour    = PHPExcel_Calculation_Functions::flattenSingleValue($hour); | 
|         $minute    = PHPExcel_Calculation_Functions::flattenSingleValue($minute); | 
|         $second    = PHPExcel_Calculation_Functions::flattenSingleValue($second); | 
|   | 
|         if ($hour == '') { $hour = 0; } | 
|         if ($minute == '') { $minute = 0; } | 
|         if ($second == '') { $second = 0; } | 
|   | 
|         if ((!is_numeric($hour)) || (!is_numeric($minute)) || (!is_numeric($second))) { | 
|             return PHPExcel_Calculation_Functions::VALUE(); | 
|         } | 
|         $hour    = (integer) $hour; | 
|         $minute    = (integer) $minute; | 
|         $second    = (integer) $second; | 
|   | 
|         if ($second < 0) { | 
|             $minute += floor($second / 60); | 
|             $second = 60 - abs($second % 60); | 
|             if ($second == 60) { $second = 0; } | 
|         } elseif ($second >= 60) { | 
|             $minute += floor($second / 60); | 
|             $second = $second % 60; | 
|         } | 
|         if ($minute < 0) { | 
|             $hour += floor($minute / 60); | 
|             $minute = 60 - abs($minute % 60); | 
|             if ($minute == 60) { $minute = 0; } | 
|         } elseif ($minute >= 60) { | 
|             $hour += floor($minute / 60); | 
|             $minute = $minute % 60; | 
|         } | 
|   | 
|         if ($hour > 23) { | 
|             $hour = $hour % 24; | 
|         } elseif ($hour < 0) { | 
|             return PHPExcel_Calculation_Functions::NaN(); | 
|         } | 
|   | 
|         // Execute function | 
|         switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                     $date = 0; | 
|                     $calendar = PHPExcel_Shared_Date::getExcelCalendar(); | 
|                     if ($calendar != PHPExcel_Shared_Date::CALENDAR_WINDOWS_1900) { | 
|                         $date = 1; | 
|                     } | 
|                     return (float) PHPExcel_Shared_Date::FormattedPHPToExcel($calendar, 1, $date, $hour, $minute, $second); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::FormattedPHPToExcel(1970, 1, 1, $hour, $minute, $second));    // -2147468400; //    -2147472000 + 3600 | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     $dayAdjust = 0; | 
|                     if ($hour < 0) { | 
|                         $dayAdjust = floor($hour / 24); | 
|                         $hour = 24 - abs($hour % 24); | 
|                         if ($hour == 24) { $hour = 0; } | 
|                     } elseif ($hour >= 24) { | 
|                         $dayAdjust = floor($hour / 24); | 
|                         $hour = $hour % 24; | 
|                     } | 
|                     $phpDateObject = new DateTime('1900-01-01 '.$hour.':'.$minute.':'.$second); | 
|                     if ($dayAdjust != 0) { | 
|                         $phpDateObject->modify($dayAdjust.' days'); | 
|                     } | 
|                     return $phpDateObject; | 
|         } | 
|     }    //    function TIME() | 
|   | 
|   | 
|     /** | 
|      * 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        DATEVALUE(dateValue) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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 = 1) { | 
|         $dateValue = trim(PHPExcel_Calculation_Functions::flattenSingleValue($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) | 
|         $dateValue    = str_replace(array('/','.','-','  '),array(' ',' ',' ',' '),$dateValue); | 
|   | 
|         $yearFound = false; | 
|         $t1 = explode(' ',$dateValue); | 
|         foreach($t1 as &$t) { | 
|             if ((is_numeric($t)) && ($t > 31)) { | 
|                 if ($yearFound) { | 
|                     return PHPExcel_Calculation_Functions::VALUE(); | 
|                 } else { | 
|                     if ($t < 100) { $t += 1900; } | 
|                     $yearFound = true; | 
|                 } | 
|             } | 
|         } | 
|         if ((count($t1) == 1) && (strpos($t,':') != false)) { | 
|             //    We've been fed a time value without any date | 
|             return 0.0; | 
|         } elseif (count($t1) == 2) { | 
|             //    We only have two parts of the date: either day/month or month/year | 
|             if ($yearFound) { | 
|                 array_unshift($t1,1); | 
|             } else { | 
|                 array_push($t1,date('Y')); | 
|             } | 
|         } | 
|         unset($t); | 
|         $dateValue = implode(' ',$t1); | 
|   | 
|         $PHPDateArray = date_parse($dateValue); | 
|         if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) { | 
|             $testVal1 = strtok($dateValue,'- '); | 
|             if ($testVal1 !== False) { | 
|                 $testVal2 = strtok('- '); | 
|                 if ($testVal2 !== False) { | 
|                     $testVal3 = strtok('- '); | 
|                     if ($testVal3 === False) { | 
|                         $testVal3 = strftime('%Y'); | 
|                     } | 
|                 } else { | 
|                     return PHPExcel_Calculation_Functions::VALUE(); | 
|                 } | 
|             } else { | 
|                 return PHPExcel_Calculation_Functions::VALUE(); | 
|             } | 
|             $PHPDateArray = date_parse($testVal1.'-'.$testVal2.'-'.$testVal3); | 
|             if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) { | 
|                 $PHPDateArray = date_parse($testVal2.'-'.$testVal1.'-'.$testVal3); | 
|                 if (($PHPDateArray === False) || ($PHPDateArray['error_count'] > 0)) { | 
|                     return PHPExcel_Calculation_Functions::VALUE(); | 
|                 } | 
|             } | 
|         } | 
|   | 
|         if (($PHPDateArray !== False) && ($PHPDateArray['error_count'] == 0)) { | 
|             // Execute function | 
|             if ($PHPDateArray['year'] == '')    { $PHPDateArray['year'] = strftime('%Y'); } | 
|             if ($PHPDateArray['year'] < 1900) | 
|                 return PHPExcel_Calculation_Functions::VALUE(); | 
|             if ($PHPDateArray['month'] == '')    { $PHPDateArray['month'] = strftime('%m'); } | 
|             if ($PHPDateArray['day'] == '')        { $PHPDateArray['day'] = strftime('%d'); } | 
|             $excelDateValue = floor(PHPExcel_Shared_Date::FormattedPHPToExcel($PHPDateArray['year'],$PHPDateArray['month'],$PHPDateArray['day'],$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second'])); | 
|   | 
|             switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                         return (float) $excelDateValue; | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                         return (integer) PHPExcel_Shared_Date::ExcelToPHP($excelDateValue); | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                         return new DateTime($PHPDateArray['year'].'-'.$PHPDateArray['month'].'-'.$PHPDateArray['day'].' 00:00:00'); | 
|             } | 
|         } | 
|         return PHPExcel_Calculation_Functions::VALUE(); | 
|     }    //    function 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. PHPExcel does not change cell formatting in this way. | 
|      * | 
|      * Excel Function: | 
|      *        TIMEVALUE(timeValue) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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) { | 
|         $timeValue = trim(PHPExcel_Calculation_Functions::flattenSingleValue($timeValue),'"'); | 
|         $timeValue    = str_replace(array('/','.'),array('-','-'),$timeValue); | 
|   | 
|         $PHPDateArray = date_parse($timeValue); | 
|         if (($PHPDateArray !== False) && ($PHPDateArray['error_count'] == 0)) { | 
|             if (PHPExcel_Calculation_Functions::getCompatibilityMode() == PHPExcel_Calculation_Functions::COMPATIBILITY_OPENOFFICE) { | 
|                 $excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel($PHPDateArray['year'],$PHPDateArray['month'],$PHPDateArray['day'],$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second']); | 
|             } else { | 
|                 $excelDateValue = PHPExcel_Shared_Date::FormattedPHPToExcel(1900,1,1,$PHPDateArray['hour'],$PHPDateArray['minute'],$PHPDateArray['second']) - 1; | 
|             } | 
|   | 
|             switch (PHPExcel_Calculation_Functions::getReturnDateType()) { | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_EXCEL : | 
|                         return (float) $excelDateValue; | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                         return (integer) $phpDateValue = PHPExcel_Shared_Date::ExcelToPHP($excelDateValue+25569) - 3600;; | 
|                 case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                         return new DateTime('1900-01-01 '.$PHPDateArray['hour'].':'.$PHPDateArray['minute'].':'.$PHPDateArray['second']); | 
|             } | 
|         } | 
|         return PHPExcel_Calculation_Functions::VALUE(); | 
|     }    //    function TIMEVALUE() | 
|   | 
|   | 
|     /** | 
|      * 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    $unit | 
|      * @return    integer    Interval between the dates | 
|      */ | 
|     public static function DATEDIF($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; | 
|             default: | 
|                 $retVal = PHPExcel_Calculation_Functions::NaN(); | 
|         } | 
|         return $retVal; | 
|     }    //    function DATEDIF() | 
|   | 
|   | 
|     /** | 
|      * 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]) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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    boolean        $method            US or European Method | 
|      *                                        FALSE or omitted: U.S. (NASD) method. If the starting date is | 
|      *                                        the last day of a month, it becomes equal to the 30th of the | 
|      *                                        same month. If the ending date is the last day of a month and | 
|      *                                        the starting date is earlier than the 30th of a month, the | 
|      *                                        ending date becomes equal to the 1st of the next month; | 
|      *                                        otherwise the ending date becomes equal to the 30th of the | 
|      *                                        same month. | 
|      *                                        TRUE: European method. Starting dates and ending dates that | 
|      *                                        occur on the 31st of a month become equal to the 30th of the | 
|      *                                        same month. | 
|      * @return    integer        Number of days between start date and end date | 
|      */ | 
|     public static function DAYS360($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. | 
|      * | 
|      * Excel Function: | 
|      *        YEARFRAC(startDate,endDate[,method]) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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    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; | 
|                 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 + $leapDays); | 
|                 case 2    : | 
|                     return self::DATEDIF($startDate,$endDate) / 360; | 
|                 case 3    : | 
|                     return self::DATEDIF($startDate,$endDate) / 365; | 
|                 case 4    : | 
|                     return self::DAYS360($startDate,$endDate,True) / 360; | 
|             } | 
|         } | 
|         return PHPExcel_Calculation_Functions::VALUE(); | 
|     }    //    function YEARFRAC() | 
|   | 
|   | 
|     /** | 
|      * 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[,...]]]) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @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            $holidays,...    Optional series of Excel date serial value (float), PHP date | 
|      *                                            timestamp (integer), PHP DateTime object, or a standard date | 
|      *                                            strings that will be excluded from the working calendar, such | 
|      *                                            as state and federal holidays and floating holidays. | 
|      * @return    integer            Interval between the dates | 
|      */ | 
|     public static function NETWORKDAYS($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 | 
|      * | 
|      * 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[,...]]]) | 
|      * | 
|      * @access    public | 
|      * @category Date/Time Functions | 
|      * @param    mixed        $startDate        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                        PHP DateTime object, or a standard date string | 
|      * @param    integer        $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        $holidays,...    Optional series of Excel date serial value (float), PHP date | 
|      *                                        timestamp (integer), PHP DateTime object, or a standard date | 
|      *                                        strings that will be excluded from the working calendar, such | 
|      *                                        as state and federal holidays and floating holidays. | 
|      * @return    mixed    Excel date/time serial value, PHP date/time serial value or PHP date/time object, | 
|      *                        depending on the value of the ReturnDateType flag | 
|      */ | 
|     public static function WORKDAY($startDate,$endDays) { | 
|         //    Retrieve the mandatory start date and days that are referenced in the function definition | 
|         $startDate    = PHPExcel_Calculation_Functions::flattenSingleValue($startDate); | 
|         $endDays    = PHPExcel_Calculation_Functions::flattenSingleValue($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); | 
|         $endDays = (int) floor($endDays); | 
|         //    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) $endDate; | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     return (integer) PHPExcel_Shared_Date::ExcelToPHP($endDate); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     return PHPExcel_Shared_Date::ExcelToPHPObject($endDate); | 
|         } | 
|     }    //    function WORKDAY() | 
|   | 
|   | 
|     /** | 
|      * 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    $dateValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard date string | 
|      * @return    int        Day of the month | 
|      */ | 
|     public static function DAYOFMONTH($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 | 
|      * | 
|      * 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    mixed    $dateValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard date string | 
|      * @param    int        $style            A number that determines the type of return value | 
|      *                                        1 or omitted    Numbers 1 (Sunday) through 7 (Saturday). | 
|      *                                        2                Numbers 1 (Monday) through 7 (Sunday). | 
|      *                                        3                Numbers 0 (Monday) through 6 (Sunday). | 
|      * @return    int        Day of the week value | 
|      */ | 
|     public static function DAYOFWEEK($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 | 
|      * | 
|      * 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    boolean    $method            Week begins on Sunday or Monday | 
|      *                                        1 or omitted    Week begins on Sunday. | 
|      *                                        2                Week begins on Monday. | 
|      * @return    int        Week Number | 
|      */ | 
|     public static function WEEKOFYEAR($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 | 
|      * | 
|      * 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    $dateValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard date string | 
|      * @return    int        Month of the year | 
|      */ | 
|     public static function MONTHOFYEAR($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 | 
|      * | 
|      * 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    $dateValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard date string | 
|      * @return    int        Year | 
|      */ | 
|     public static function YEAR($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 | 
|      * | 
|      * 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    $timeValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard time string | 
|      * @return    int        Hour | 
|      */ | 
|     public static function HOUROFDAY($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 | 
|      * | 
|      * 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    $timeValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard time string | 
|      * @return    int        Minute | 
|      */ | 
|     public static function MINUTEOFHOUR($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 | 
|      * | 
|      * 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) | 
|      * | 
|      * @param    mixed    $timeValue        Excel date serial value (float), PHP date timestamp (integer), | 
|      *                                    PHP DateTime object, or a standard time string | 
|      * @return    int        Second | 
|      */ | 
|     public static function SECONDOFMINUTE($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. | 
|      * | 
|      * 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        $adjustmentMonths    The number of months before or after start_date. | 
|      *                                        A positive value for months yields a future date; | 
|      *                                        a negative value yields a past date. | 
|      * @return    mixed    Excel date/time serial value, PHP date/time serial value or PHP date/time object, | 
|      *                        depending on the value of the ReturnDateType flag | 
|      */ | 
|     public static function EDATE($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); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::PHPToExcel($PHPDateObject)); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     return $PHPDateObject; | 
|         } | 
|     }    //    function EDATE() | 
|   | 
|   | 
|     /** | 
|      * 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        $adjustmentMonths    The number of months before or after start_date. | 
|      *                                        A positive value for months yields a future date; | 
|      *                                        a negative value yields a past date. | 
|      * @return    mixed    Excel date/time serial value, PHP date/time serial value or PHP date/time object, | 
|      *                        depending on the value of the ReturnDateType flag | 
|      */ | 
|     public static function EOMONTH($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($PHPDateObject); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_NUMERIC : | 
|                     return (integer) PHPExcel_Shared_Date::ExcelToPHP(PHPExcel_Shared_Date::PHPToExcel($PHPDateObject)); | 
|             case PHPExcel_Calculation_Functions::RETURNDATE_PHP_OBJECT : | 
|                     return $PHPDateObject; | 
|         } | 
|     }    //    function EOMONTH() | 
|   | 
| }    //    class PHPExcel_Calculation_DateTime |