diff options
Diffstat (limited to 'admin/survey/excel/PHPExcel/Calculation/DateTime.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Calculation/DateTime.php | 1447 |
1 files changed, 1447 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Calculation/DateTime.php b/admin/survey/excel/PHPExcel/Calculation/DateTime.php new file mode 100644 index 0000000..d6e50cc --- /dev/null +++ b/admin/survey/excel/PHPExcel/Calculation/DateTime.php @@ -0,0 +1,1447 @@ +<?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 1.7.8, 2012-10-12
+ */
+
+
+/** 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
+
|