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Joomla-Sermon-Distributor-Fork/admin/helpers/PHPExcel/Calculation/DateTime.php

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<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version ##VERSION##, ##DATE##
*/
/** 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 - 2014 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()
/**
* Return the number of days between two dates based on a 360 day calendar
*
* @param integer $startDay Day of month of the start date
* @param integer $startMonth Month of the start date
* @param integer $startYear Year of the start date
* @param integer $endDay Day of month of the start date
* @param integer $endMonth Month of the start date
* @param integer $endYear Year of the start date
* @param boolean $methodUS Whether to use the US method or the European method of calculation
* @return integer Number of days between the start date and the end date
*/
private static function _dateDiff360($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 DateTime)) {
$dateValue = PHPExcel_Shared_Date::PHPToExcel($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)
*
* PHPExcel is a lot more forgiving than MS Excel when passing non numeric values to this function.
* A Month name or abbreviation (English only at this point) such as 'January' or 'Jan' will still be accepted,
* as will a day value with a suffix (e.g. '21st' rather than simply 21); again only English language.
*
* @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);
if (($month !== NULL) && (!is_numeric($month))) {
$month = PHPExcel_Shared_Date::monthStringToNumber($month);
}
if (($day !== NULL) && (!is_numeric($day))) {
$day = PHPExcel_Shared_Date::dayStringToNumber($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();
}
if (!is_bool($method)) {
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
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