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Developer Documentation
- Bug fixes for general core bugs in 3.11.x will end 14 Nov 2022 (12 months plus 6 months extension).
- Bug fixes for security issues in 3.11.x will end 13 Nov 2023 (18 months plus 12 months extension).
- PHP version: minimum PHP 7.3.0 Note: minimum PHP version has increased since Moodle 3.10. PHP 7.4.x is supported too.
<?php namespace PhpOffice\PhpSpreadsheet\Calculation;> use DateTimeImmutable; use PhpOffice\PhpSpreadsheet\Shared\Date; > use DateTimeInterface;use PhpOffice\PhpSpreadsheet\Shared\StringHelper; class DateTime { /** * Identify if a year is a leap year or not. * * @param int|string $year The year to test * * @return bool TRUE if the year is a leap year, otherwise FALSE */ public static function isLeapYear($year) { return (($year % 4) === 0) && (($year % 100) !== 0) || (($year % 400) === 0); } /** * Return the number of days between two dates based on a 360 day calendar. * * @param int $startDay Day of month of the start date * @param int $startMonth Month of the start date * @param int $startYear Year of the start date * @param int $endDay Day of month of the start date * @param int $endMonth Month of the start date * @param int $endYear Year of the start date * @param bool $methodUS Whether to use the US method or the European method of calculation * * @return int Number of days between the start date and the end date */ private static function dateDiff360($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; } /** * getDateValue. *< * @param string $dateValue> * @param mixed $dateValue* * @return mixed Excel date/time serial value, or string if error */ public static function getDateValue($dateValue) { if (!is_numeric($dateValue)) {< if ((is_string($dateValue)) && < (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC)) { < return Functions::VALUE(); < } < if ((is_object($dateValue)) && ($dateValue instanceof \DateTimeInterface)) {> if ((is_object($dateValue)) && ($dateValue instanceof DateTimeInterface)) {$dateValue = Date::PHPToExcel($dateValue); } else { $saveReturnDateType = Functions::getReturnDateType(); Functions::setReturnDateType(Functions::RETURNDATE_EXCEL); $dateValue = self::DATEVALUE($dateValue); Functions::setReturnDateType($saveReturnDateType); } } return $dateValue; } /** * getTimeValue. * * @param string $timeValue * * @return mixed Excel date/time serial value, or string if error */ private static function getTimeValue($timeValue) { $saveReturnDateType = Functions::getReturnDateType(); Functions::setReturnDateType(Functions::RETURNDATE_EXCEL); $timeValue = self::TIMEVALUE($timeValue); Functions::setReturnDateType($saveReturnDateType); return $timeValue; } private static function adjustDateByMonths($dateValue = 0, $adjustmentMonths = 0) { // Execute function $PHPDateObject = Date::excelToDateTimeObject($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; } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * NOW() *< * @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 (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: $retValue = (float) Date::PHPToExcel(time()); break; case Functions::RETURNDATE_UNIX_TIMESTAMP: $retValue = (int) time(); break; case Functions::RETURNDATE_PHP_DATETIME_OBJECT: $retValue = new \DateTime(); break; } date_default_timezone_set($saveTimeZone); return $retValue; } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * TODAY() *< * @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(Date::PHPToExcel(time())); switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: $retValue = (float) $excelDateTime; break; case Functions::RETURNDATE_UNIX_TIMESTAMP: $retValue = (int) Date::excelToTimestamp($excelDateTime); break; case Functions::RETURNDATE_PHP_DATETIME_OBJECT: $retValue = Date::excelToDateTimeObject($excelDateTime); break; } date_default_timezone_set($saveTimeZone); return $retValue; } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * DATE(year,month,day) * * PhpSpreadsheet 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. *< * @category Date/Time Functions < ** @param int $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 int $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 int $day A positive or negative integer representing the day of the month * from 1 to 31. * If day is greater than the number of days in the month specified, * day adds that number of days to the first day in the month. For * example, DATE(2008,1,35) returns the serial number representing * February 4, 2008. * If day is less than 1, day subtracts the magnitude that number of * days, plus one, from the first day of the month specified. For * example, DATE(2008,1,-15) returns the serial number representing * December 16, 2007. * * @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object, * depending on the value of the ReturnDateType flag */ public static function DATE($year = 0, $month = 1, $day = 1) { $year = Functions::flattenSingleValue($year); $month = Functions::flattenSingleValue($month); $day = Functions::flattenSingleValue($day); if (($month !== null) && (!is_numeric($month))) { $month = Date::monthStringToNumber($month); } if (($day !== null) && (!is_numeric($day))) { $day = Date::dayStringToNumber($day); } $year = ($year !== null) ? StringHelper::testStringAsNumeric($year) : 0; $month = ($month !== null) ? StringHelper::testStringAsNumeric($month) : 0; $day = ($day !== null) ? StringHelper::testStringAsNumeric($day) : 0;< if ((!is_numeric($year)) ||> if ( > (!is_numeric($year)) ||(!is_numeric($month)) ||< (!is_numeric($day))) {> (!is_numeric($day)) > ) {return Functions::VALUE(); } $year = (int) $year; $month = (int) $month; $day = (int) $day; $baseYear = Date::getExcelCalendar(); // Validate parameters if ($year < ($baseYear - 1900)) { return Functions::NAN(); } if ((($baseYear - 1900) != 0) && ($year < $baseYear) && ($year >= 1900)) { return 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 Functions::NAN(); } // Execute function $excelDateValue = Date::formattedPHPToExcel($year, $month, $day); switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) $excelDateValue; case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp($excelDateValue); case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return Date::excelToDateTimeObject($excelDateValue); } } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * TIME(hour,minute,second) *< * @category Date/Time Functions < ** @param int $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 int $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 int $second A number from 0 to 32767 representing the second. * Any value greater than 59 will be converted to hours, minutes, * and seconds. For example, TIME(0,0,2000) = TIME(0,33,22) = .023148 * or 12:33:20 AM * * @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object, * depending on the value of the ReturnDateType flag */ public static function TIME($hour = 0, $minute = 0, $second = 0) { $hour = Functions::flattenSingleValue($hour); $minute = Functions::flattenSingleValue($minute); $second = Functions::flattenSingleValue($second); if ($hour == '') { $hour = 0; } if ($minute == '') { $minute = 0; } if ($second == '') { $second = 0; } if ((!is_numeric($hour)) || (!is_numeric($minute)) || (!is_numeric($second))) { return Functions::VALUE(); } $hour = (int) $hour; $minute = (int) $minute; $second = (int) $second; if ($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 Functions::NAN(); } // Execute function switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: $date = 0; $calendar = Date::getExcelCalendar(); if ($calendar != Date::CALENDAR_WINDOWS_1900) { $date = 1; } return (float) Date::formattedPHPToExcel($calendar, 1, $date, $hour, $minute, $second); case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp(Date::formattedPHPToExcel(1970, 1, 1, $hour, $minute, $second)); // -2147468400; // -2147472000 + 3600 case Functions::RETURNDATE_PHP_DATETIME_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; } } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * DATEVALUE(dateValue) *< * @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) { $dateValue = trim(Functions::flattenSingleValue($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(['/', '.', '-', ' '], ' ', $dateValue); $yearFound = false; $t1 = explode(' ', $dateValue); foreach ($t1 as &$t) { if ((is_numeric($t)) && ($t > 31)) { if ($yearFound) { return Functions::VALUE(); } if ($t < 100) { $t += 1900; } $yearFound = true; } }< if ((count($t1) == 1) && (strpos($t, ':') != false)) {> if ((count($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 {< if ($t1[1] > 29) {> if (is_numeric($t1[1]) && $t1[1] > 29) {$t1[1] += 1900; array_unshift($t1, 1); } else { $t1[] = date('Y'); } } } unset($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) { $testVal3 = strftime('%Y'); } } else { return Functions::VALUE(); } } else { return Functions::VALUE(); } if ($testVal1 < 31 && $testVal2 < 12 && $testVal3 < 12 && strlen($testVal3) == 2) { $testVal3 += 2000; } $PHPDateArray = date_parse($testVal1 . '-' . $testVal2 . '-' . $testVal3); if (($PHPDateArray === false) || ($PHPDateArray['error_count'] > 0)) { $PHPDateArray = date_parse($testVal2 . '-' . $testVal1 . '-' . $testVal3); if (($PHPDateArray === false) || ($PHPDateArray['error_count'] > 0)) { return Functions::VALUE(); } } } if (($PHPDateArray !== false) && ($PHPDateArray['error_count'] == 0)) { // Execute function if ($PHPDateArray['year'] == '') { $PHPDateArray['year'] = strftime('%Y'); } if ($PHPDateArray['year'] < 1900) { return Functions::VALUE(); } if ($PHPDateArray['month'] == '') { $PHPDateArray['month'] = strftime('%m'); } if ($PHPDateArray['day'] == '') { $PHPDateArray['day'] = strftime('%d'); } if (!checkdate($PHPDateArray['month'], $PHPDateArray['day'], $PHPDateArray['year'])) { return Functions::VALUE(); } $excelDateValue = floor( Date::formattedPHPToExcel( $PHPDateArray['year'], $PHPDateArray['month'], $PHPDateArray['day'], $PHPDateArray['hour'], $PHPDateArray['minute'], $PHPDateArray['second'] ) ); switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) $excelDateValue; case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp($excelDateValue); case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return new \DateTime($PHPDateArray['year'] . '-' . $PHPDateArray['month'] . '-' . $PHPDateArray['day'] . ' 00:00:00'); } } return Functions::VALUE(); } /** * 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. PhpSpreadsheet does not change cell formatting in this way. * * Excel Function: * TIMEVALUE(timeValue) *< * @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) { $timeValue = trim(Functions::flattenSingleValue($timeValue), '"'); $timeValue = str_replace(['/', '.'], '-', $timeValue); $arraySplit = preg_split('/[\/:\-\s]/', $timeValue); if ((count($arraySplit) == 2 || count($arraySplit) == 3) && $arraySplit[0] > 24) { $arraySplit[0] = ($arraySplit[0] % 24); $timeValue = implode(':', $arraySplit); } $PHPDateArray = date_parse($timeValue); if (($PHPDateArray !== false) && ($PHPDateArray['error_count'] == 0)) { if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_OPENOFFICE) { $excelDateValue = Date::formattedPHPToExcel( $PHPDateArray['year'], $PHPDateArray['month'], $PHPDateArray['day'], $PHPDateArray['hour'], $PHPDateArray['minute'], $PHPDateArray['second'] ); } else { $excelDateValue = Date::formattedPHPToExcel(1900, 1, 1, $PHPDateArray['hour'], $PHPDateArray['minute'], $PHPDateArray['second']) - 1; } switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) $excelDateValue; case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) $phpDateValue = Date::excelToTimestamp($excelDateValue + 25569) - 3600; case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return new \DateTime('1900-01-01 ' . $PHPDateArray['hour'] . ':' . $PHPDateArray['minute'] . ':' . $PHPDateArray['second']); } } return Functions::VALUE(); } /** * 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 $unit * * @return int|string Interval between the dates */ public static function DATEDIF($startDate = 0, $endDate = 0, $unit = 'D') { $startDate = Functions::flattenSingleValue($startDate); $endDate = Functions::flattenSingleValue($endDate); $unit = strtoupper(Functions::flattenSingleValue($unit)); if (is_string($startDate = self::getDateValue($startDate))) { return Functions::VALUE(); } if (is_string($endDate = self::getDateValue($endDate))) { return Functions::VALUE(); } // Validate parameters if ($startDate > $endDate) { return Functions::NAN(); } // Execute function $difference = $endDate - $startDate; $PHPStartDateObject = Date::excelToDateTimeObject($startDate); $startDays = $PHPStartDateObject->format('j'); $startMonths = $PHPStartDateObject->format('n'); $startYears = $PHPStartDateObject->format('Y'); $PHPEndDateObject = Date::excelToDateTimeObject($endDate); $endDays = $PHPEndDateObject->format('j'); $endMonths = $PHPEndDateObject->format('n'); $endYears = $PHPEndDateObject->format('Y');> $PHPDiffDateObject = $PHPEndDateObject->diff($PHPStartDateObject); switch ($unit) { >case 'D': $retVal = (int) $difference; break; case 'M':< $retVal = (int) ($endMonths - $startMonths) + ((int) ($endYears - $startYears) * 12); < // We're only interested in full months < if ($endDays < $startDays) { < --$retVal; < }> $retVal = (int) 12 * $PHPDiffDateObject->format('%y') + $PHPDiffDateObject->format('%m');break; case 'Y':< $retVal = (int) ($endYears - $startYears); < // We're only interested in full months < if ($endMonths < $startMonths) { < --$retVal; < } elseif (($endMonths == $startMonths) && ($endDays < $startDays)) { < // Remove start month < --$retVal; < // Remove end month < --$retVal; < }> $retVal = (int) $PHPDiffDateObject->format('%y');break; case 'MD': if ($endDays < $startDays) { $retVal = $endDays; $PHPEndDateObject->modify('-' . $endDays . ' days'); $adjustDays = $PHPEndDateObject->format('j'); $retVal += ($adjustDays - $startDays); } else {< $retVal = $endDays - $startDays;> $retVal = (int) $PHPDiffDateObject->format('%d');} break; case 'YM':< $retVal = (int) ($endMonths - $startMonths); < if ($retVal < 0) { < $retVal += 12; < } < // We're only interested in full months < if ($endDays < $startDays) { < --$retVal; < }> $retVal = (int) $PHPDiffDateObject->format('%m');break; case 'YD': $retVal = (int) $difference; if ($endYears > $startYears) { $isLeapStartYear = $PHPStartDateObject->format('L'); $wasLeapEndYear = $PHPEndDateObject->format('L'); // Adjust end year to be as close as possible as start year while ($PHPEndDateObject >= $PHPStartDateObject) { $PHPEndDateObject->modify('-1 year'); $endYears = $PHPEndDateObject->format('Y'); } $PHPEndDateObject->modify('+1 year'); // Get the result $retVal = $PHPEndDateObject->diff($PHPStartDateObject)->days; // Adjust for leap years cases $isLeapEndYear = $PHPEndDateObject->format('L'); $limit = new \DateTime($PHPEndDateObject->format('Y-02-29')); if (!$isLeapStartYear && !$wasLeapEndYear && $isLeapEndYear && $PHPEndDateObject >= $limit) { --$retVal; } } break; default: $retVal = Functions::VALUE(); } return $retVal; } /** * DAYS. * * Returns the number of days between two dates * * Excel Function: * DAYS(endDate, startDate) *< * @category Date/Time Functions < * < * @param \DateTimeImmutable|float|int|string $endDate Excel date serial value (float),> * @param DateTimeImmutable|float|int|string $endDate Excel date serial value (float),* PHP date timestamp (integer), PHP DateTime object, or a standard date string< * @param \DateTimeImmutable|float|int|string $startDate Excel date serial value (float),> * @param DateTimeImmutable|float|int|string $startDate Excel date serial value (float),* PHP date timestamp (integer), PHP DateTime object, or a standard date string * * @return int|string Number of days between start date and end date or an error */ public static function DAYS($endDate = 0, $startDate = 0) { $startDate = Functions::flattenSingleValue($startDate); $endDate = Functions::flattenSingleValue($endDate); $startDate = self::getDateValue($startDate); if (is_string($startDate)) { return Functions::VALUE(); } $endDate = self::getDateValue($endDate); if (is_string($endDate)) { return Functions::VALUE(); } // Execute function $PHPStartDateObject = Date::excelToDateTimeObject($startDate); $PHPEndDateObject = Date::excelToDateTimeObject($endDate); $diff = $PHPStartDateObject->diff($PHPEndDateObject); $days = $diff->days; if ($diff->invert) { $days = -$days; } return $days; } /** * 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]) *< * @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 bool $method US or European Method * FALSE or omitted: U.S. (NASD) method. If the starting date is * the last day of a month, it becomes equal to the 30th of the * same month. If the ending date is the last day of a month and * the starting date is earlier than the 30th of a month, the * ending date becomes equal to the 1st of the next month; * otherwise the ending date becomes equal to the 30th of the * same month. * TRUE: European method. Starting dates and ending dates that * occur on the 31st of a month become equal to the 30th of the * same month. * * @return int|string Number of days between start date and end date */ public static function DAYS360($startDate = 0, $endDate = 0, $method = false) { $startDate = Functions::flattenSingleValue($startDate); $endDate = Functions::flattenSingleValue($endDate); if (is_string($startDate = self::getDateValue($startDate))) { return Functions::VALUE(); } if (is_string($endDate = self::getDateValue($endDate))) { return Functions::VALUE(); } if (!is_bool($method)) { return Functions::VALUE(); } // Execute function $PHPStartDateObject = Date::excelToDateTimeObject($startDate); $startDay = $PHPStartDateObject->format('j'); $startMonth = $PHPStartDateObject->format('n'); $startYear = $PHPStartDateObject->format('Y'); $PHPEndDateObject = Date::excelToDateTimeObject($endDate); $endDay = $PHPEndDateObject->format('j'); $endMonth = $PHPEndDateObject->format('n'); $endYear = $PHPEndDateObject->format('Y'); return self::dateDiff360($startDay, $startMonth, $startYear, $endDay, $endMonth, $endYear, !$method); } /** * 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])< * < * @category Date/Time Functions> * See https://lists.oasis-open.org/archives/office-formula/200806/msg00039.html > * for description of algorithm used in Excel* * @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 int $method Method used for the calculation * 0 or omitted US (NASD) 30/360 * 1 Actual/actual * 2 Actual/360 * 3 Actual/365 * 4 European 30/360 *< * @return float fraction of the year> * @return float|string fraction of the year, or a string containing an error*/ public static function YEARFRAC($startDate = 0, $endDate = 0, $method = 0) { $startDate = Functions::flattenSingleValue($startDate); $endDate = Functions::flattenSingleValue($endDate); $method = Functions::flattenSingleValue($method); if (is_string($startDate = self::getDateValue($startDate))) { return Functions::VALUE(); } if (is_string($endDate = self::getDateValue($endDate))) { return Functions::VALUE(); }> if ($startDate > $endDate) { > $temp = $startDate; if (((is_numeric($method)) && (!is_string($method))) || ($method == '')) { > $startDate = $endDate; switch ($method) { > $endDate = $temp; case 0: > }return self::DAYS360($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;> $startMonthDay = 100 * $startMonth + $startDay; > $endMonthDay = 100 * $endMonth + $endDay; > if ($years == 1) { > if (self::isLeapYear($endYear)) { > $tmpCalcAnnualBasis = 366; > } else { > $tmpCalcAnnualBasis = 365;}> } elseif ($years == 2 && $startMonthDay >= $endMonthDay) { } else { > if (self::isLeapYear($startYear)) { $leapDays += (self::isLeapYear($year)) ? 1 : 0; > if ($startMonthDay <= 229) { } > $tmpCalcAnnualBasis = 366;< $leapDays += (self::isLeapYear($year)) ? 1 : 0;> $tmpCalcAnnualBasis = 365;if ($years == 2) {> } elseif (self::isLeapYear($endYear)) { if (($leapDays == 0) && (self::isLeapYear($startYear)) && ($days > 365)) { > if ($endMonthDay >= 229) { $leapDays = 1; > $tmpCalcAnnualBasis = 366; } elseif ($days < 366) { > } else { $years = 1; > $tmpCalcAnnualBasis = 365;< if ($years == 2) { < if (($leapDays == 0) && (self::isLeapYear($startYear)) && ($days > 365)) { < $leapDays = 1; < } elseif ($days < 366) { < $years = 1;> } else { > $tmpCalcAnnualBasis = 365;return $days / (365 + $leapDays);> } else { case 2: > $tmpCalcAnnualBasis = 0; return self::DATEDIF($startDate, $endDate) / 360; > for ($year = $startYear; $year <= $endYear; ++$year) { case 3: > $tmpCalcAnnualBasis += self::isLeapYear($year) ? 366 : 365;< $leapDays /= $years;> $tmpCalcAnnualBasis /= $years;< return $days / (365 + $leapDays);> return $days / $tmpCalcAnnualBasis;return self::DAYS360($startDate, $endDate, true) / 360; } } return Functions::VALUE(); } /** * 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[,...]]]) *< * @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 $endDate Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * * @return int|string Interval between the dates */ public static function NETWORKDAYS($startDate, $endDate, ...$dateArgs) { // Retrieve the mandatory start and end date that are referenced in the function definition $startDate = Functions::flattenSingleValue($startDate); $endDate = Functions::flattenSingleValue($endDate); // Get the optional days $dateArgs = Functions::flattenArray($dateArgs); // Validate the start and end dates if (is_string($startDate = $sDate = self::getDateValue($startDate))) { return Functions::VALUE(); } $startDate = (float) floor($startDate); if (is_string($endDate = $eDate = self::getDateValue($endDate))) { return Functions::VALUE(); } $endDate = (float) floor($endDate); if ($sDate > $eDate) { $startDate = $eDate; $endDate = $sDate; } // Execute function $startDoW = 6 - self::WEEKDAY($startDate, 2); if ($startDoW < 0) { $startDoW = 0; } $endDoW = self::WEEKDAY($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 $holidayCountedArray = []; foreach ($dateArgs as $holidayDate) { if (is_string($holidayDate = self::getDateValue($holidayDate))) { return Functions::VALUE(); } if (($holidayDate >= $startDate) && ($holidayDate <= $endDate)) { if ((self::WEEKDAY($holidayDate, 2) < 6) && (!in_array($holidayDate, $holidayCountedArray))) { --$partWeekDays; $holidayCountedArray[] = $holidayDate; } } } if ($sDate > $eDate) { return 0 - ($wholeWeekDays + $partWeekDays); } return $wholeWeekDays + $partWeekDays; } /** * 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[,...]]]) *< * @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 int $endDays The number of nonweekend and nonholiday days before or after * startDate. A positive value for days yields a future date; a * negative value yields a past date. * * @return mixed Excel date/time serial value, PHP date/time serial value or PHP date/time object, * depending on the value of the ReturnDateType flag */ public static function WORKDAY($startDate, $endDays, ...$dateArgs) { // Retrieve the mandatory start date and days that are referenced in the function definition $startDate = Functions::flattenSingleValue($startDate); $endDays = Functions::flattenSingleValue($endDays); // Get the optional days $dateArgs = Functions::flattenArray($dateArgs); if ((is_string($startDate = self::getDateValue($startDate))) || (!is_numeric($endDays))) { return 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; // Adjust the start date if it falls over a weekend $startDoW = self::WEEKDAY($startDate, 3); if (self::WEEKDAY($startDate, 3) >= 5) { $startDate += ($decrementing) ? -$startDoW + 4 : 7 - $startDoW; ($decrementing) ? $endDays++ : $endDays--; } // Add endDays $endDate = (float) $startDate + ((int) ($endDays / 5) * 7) + ($endDays % 5); // Adjust the calculated end date if it falls over a weekend $endDoW = self::WEEKDAY($endDate, 3); if ($endDoW >= 5) { $endDate += ($decrementing) ? -$endDoW + 4 : 7 - $endDoW; } // Test any extra holiday parameters if (!empty($dateArgs)) { $holidayCountedArray = $holidayDates = []; foreach ($dateArgs as $holidayDate) { if (($holidayDate !== null) && (trim($holidayDate) > '')) { if (is_string($holidayDate = self::getDateValue($holidayDate))) { return Functions::VALUE(); } if (self::WEEKDAY($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 $endDoW = self::WEEKDAY($endDate, 3); if ($endDoW >= 5) { $endDate += ($decrementing) ? -$endDoW + 4 : 7 - $endDoW; } } } switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) $endDate; case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp($endDate); case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return Date::excelToDateTimeObject($endDate); } } /** * 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 $dateValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * * @return int|string Day of the month */ public static function DAYOFMONTH($dateValue = 1) { $dateValue = Functions::flattenSingleValue($dateValue); if ($dateValue === null) { $dateValue = 1; } elseif (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_EXCEL) { if ($dateValue < 0.0) { return Functions::NAN(); } elseif ($dateValue < 1.0) { return 0; } } // Execute function $PHPDateObject = Date::excelToDateTimeObject($dateValue); return (int) $PHPDateObject->format('j'); } /** * WEEKDAY. * * 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 int $dateValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * @param int $style A number that determines the type of return value * 1 or omitted Numbers 1 (Sunday) through 7 (Saturday). * 2 Numbers 1 (Monday) through 7 (Sunday). * 3 Numbers 0 (Monday) through 6 (Sunday). * * @return int|string Day of the week value */ public static function WEEKDAY($dateValue = 1, $style = 1) { $dateValue = Functions::flattenSingleValue($dateValue); $style = Functions::flattenSingleValue($style); if (!is_numeric($style)) { return Functions::VALUE(); } elseif (($style < 1) || ($style > 3)) { return Functions::NAN(); } $style = floor($style); if ($dateValue === null) { $dateValue = 1; } elseif (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } elseif ($dateValue < 0.0) { return Functions::NAN(); } // Execute function $PHPDateObject = Date::excelToDateTimeObject($dateValue); $DoW = (int) $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 (Functions::getCompatibilityMode() == 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 $DoW; }> const STARTWEEK_SUNDAY = 1; /** > const STARTWEEK_MONDAY = 2; * WEEKNUM. > const STARTWEEK_MONDAY_ALT = 11; * > const STARTWEEK_TUESDAY = 12; * Returns the week of the year for a specified date. > const STARTWEEK_WEDNESDAY = 13; * The WEEKNUM function considers the week containing January 1 to be the first week of the year. > const STARTWEEK_THURSDAY = 14; * However, there is a European standard that defines the first week as the one with the majority > const STARTWEEK_FRIDAY = 15; * of days (four or more) falling in the new year. This means that for years in which there are > const STARTWEEK_SATURDAY = 16; * three days or less in the first week of January, the WEEKNUM function returns week numbers > const STARTWEEK_SUNDAY_ALT = 17; * that are incorrect according to the European standard. > const DOW_SUNDAY = 1; * > const DOW_MONDAY = 2; * Excel Function: > const DOW_TUESDAY = 3; * WEEKNUM(dateValue[,style]) > const DOW_WEDNESDAY = 4; * > const DOW_THURSDAY = 5; * @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), > const DOW_FRIDAY = 6; * PHP DateTime object, or a standard date string > const DOW_SATURDAY = 7; * @param int $method Week begins on Sunday or Monday > const STARTWEEK_MONDAY_ISO = 21; * 1 or omitted Week begins on Sunday. > const METHODARR = [ * 2 Week begins on Monday. > self::STARTWEEK_SUNDAY => self::DOW_SUNDAY, * > self::DOW_MONDAY, * @return int|string Week Number > self::STARTWEEK_MONDAY_ALT => self::DOW_MONDAY, */ > self::DOW_TUESDAY, public static function WEEKNUM($dateValue = 1, $method = 1) > self::DOW_WEDNESDAY, { > self::DOW_THURSDAY, $dateValue = Functions::flattenSingleValue($dateValue); > self::DOW_FRIDAY, $method = Functions::flattenSingleValue($method); > self::DOW_SATURDAY, > self::DOW_SUNDAY, if (!is_numeric($method)) { > self::STARTWEEK_MONDAY_ISO => self::STARTWEEK_MONDAY_ISO, return Functions::VALUE(); > ]; } elseif (($method < 1) || ($method > 2)) { >return Functions::NAN();> * 11 Week begins on Monday. } > * 12 Week begins on Tuesday. $method = floor($method); > * 13 Week begins on Wednesday. > * 14 Week begins on Thursday. if ($dateValue === null) { > * 15 Week begins on Friday. $dateValue = 1; > * 16 Week begins on Saturday. } elseif (is_string($dateValue = self::getDateValue($dateValue))) { > * 17 Week begins on Sunday. return Functions::VALUE(); > * 21 ISO (Jan. 4 is week 1, begins on Monday).< public static function WEEKNUM($dateValue = 1, $method = 1)> public static function WEEKNUM($dateValue = 1, $method = self::STARTWEEK_SUNDAY)< } elseif (($method < 1) || ($method > 2)) { < return Functions::NAN();< $method = floor($method);> $method = (int) $method; > if (!array_key_exists($method, self::METHODARR)) { > return Functions::NaN(); > } > $method = self::METHODARR[$method];< if ($dateValue === null) { < $dateValue = 1; < } elseif (is_string($dateValue = self::getDateValue($dateValue))) {> $dateValue = self::getDateValue($dateValue); > if (is_string($dateValue)) {< } elseif ($dateValue < 0.0) {> } > if ($dateValue < 0.0) {$firstDayOfFirstWeek = $PHPDateObject->format('w');> if ($method == self::STARTWEEK_MONDAY_ISO) { $daysInFirstWeek = (6 - $firstDayOfFirstWeek + $method) % 7; > return (int) $PHPDateObject->format('W'); $interval = $dayOfYear - $daysInFirstWeek; > }< $interval = $dayOfYear - $daysInFirstWeek; < $weekOfYear = floor($interval / 7) + 1; < < if ($daysInFirstWeek) { < ++$weekOfYear; < }> $daysInFirstWeek += 7 * !$daysInFirstWeek; > $endFirstWeek = $daysInFirstWeek - 1; > $weekOfYear = floor(($dayOfYear - $endFirstWeek + 13) / 7);return (int) $weekOfYear; } /** * ISOWEEKNUM. * * Returns the ISO 8601 week number of the year for a specified date. * * Excel Function: * ISOWEEKNUM(dateValue) * * @param mixed $dateValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * * @return int|string Week Number */ public static function ISOWEEKNUM($dateValue = 1) { $dateValue = Functions::flattenSingleValue($dateValue); if ($dateValue === null) { $dateValue = 1; } elseif (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } elseif ($dateValue < 0.0) { return Functions::NAN(); } // Execute function $PHPDateObject = Date::excelToDateTimeObject($dateValue); return (int) $PHPDateObject->format('W'); } /** * 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 $dateValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * * @return int|string Month of the year */ public static function MONTHOFYEAR($dateValue = 1) { $dateValue = Functions::flattenSingleValue($dateValue); if (empty($dateValue)) { $dateValue = 1; } if (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } elseif ($dateValue < 0.0) { return Functions::NAN(); } // Execute function $PHPDateObject = Date::excelToDateTimeObject($dateValue); return (int) $PHPDateObject->format('n'); } /** * 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 $dateValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard date string * * @return int|string Year */ public static function YEAR($dateValue = 1) { $dateValue = Functions::flattenSingleValue($dateValue); if ($dateValue === null) { $dateValue = 1; } elseif (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } elseif ($dateValue < 0.0) { return Functions::NAN(); } // Execute function $PHPDateObject = Date::excelToDateTimeObject($dateValue); return (int) $PHPDateObject->format('Y'); } /** * 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 $timeValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard time string * * @return int|string Hour */ public static function HOUROFDAY($timeValue = 0) { $timeValue = Functions::flattenSingleValue($timeValue); if (!is_numeric($timeValue)) { if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC) { $testVal = strtok($timeValue, '/-: '); if (strlen($testVal) < strlen($timeValue)) { return Functions::VALUE(); } } $timeValue = self::getTimeValue($timeValue); if (is_string($timeValue)) { return Functions::VALUE(); } } // Execute function if ($timeValue >= 1) { $timeValue = fmod($timeValue, 1); } elseif ($timeValue < 0.0) { return Functions::NAN(); } $timeValue = Date::excelToTimestamp($timeValue); return (int) gmdate('G', $timeValue); } /** * MINUTE. * * 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 $timeValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard time string * * @return int|string Minute */ public static function MINUTE($timeValue = 0) { $timeValue = $timeTester = Functions::flattenSingleValue($timeValue); if (!is_numeric($timeValue)) { if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC) { $testVal = strtok($timeValue, '/-: '); if (strlen($testVal) < strlen($timeValue)) { return Functions::VALUE(); } } $timeValue = self::getTimeValue($timeValue); if (is_string($timeValue)) { return Functions::VALUE(); } } // Execute function if ($timeValue >= 1) { $timeValue = fmod($timeValue, 1); } elseif ($timeValue < 0.0) { return Functions::NAN(); } $timeValue = Date::excelToTimestamp($timeValue); return (int) gmdate('i', $timeValue); } /** * SECOND. * * 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 $timeValue Excel date serial value (float), PHP date timestamp (integer), * PHP DateTime object, or a standard time string * * @return int|string Second */ public static function SECOND($timeValue = 0) { $timeValue = Functions::flattenSingleValue($timeValue); if (!is_numeric($timeValue)) { if (Functions::getCompatibilityMode() == Functions::COMPATIBILITY_GNUMERIC) { $testVal = strtok($timeValue, '/-: '); if (strlen($testVal) < strlen($timeValue)) { return Functions::VALUE(); } } $timeValue = self::getTimeValue($timeValue); if (is_string($timeValue)) { return Functions::VALUE(); } } // Execute function if ($timeValue >= 1) { $timeValue = fmod($timeValue, 1); } elseif ($timeValue < 0.0) { return Functions::NAN(); } $timeValue = Date::excelToTimestamp($timeValue); return (int) gmdate('s', $timeValue); } /** * 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) { $dateValue = Functions::flattenSingleValue($dateValue); $adjustmentMonths = Functions::flattenSingleValue($adjustmentMonths); if (!is_numeric($adjustmentMonths)) { return Functions::VALUE(); } $adjustmentMonths = floor($adjustmentMonths); if (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } // Execute function $PHPDateObject = self::adjustDateByMonths($dateValue, $adjustmentMonths); switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) Date::PHPToExcel($PHPDateObject); case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp(Date::PHPToExcel($PHPDateObject)); case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return $PHPDateObject; } } /** * 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) { $dateValue = Functions::flattenSingleValue($dateValue); $adjustmentMonths = Functions::flattenSingleValue($adjustmentMonths); if (!is_numeric($adjustmentMonths)) { return Functions::VALUE(); } $adjustmentMonths = floor($adjustmentMonths); if (is_string($dateValue = self::getDateValue($dateValue))) { return Functions::VALUE(); } // Execute function $PHPDateObject = self::adjustDateByMonths($dateValue, $adjustmentMonths + 1); $adjustDays = (int) $PHPDateObject->format('d'); $adjustDaysString = '-' . $adjustDays . ' days'; $PHPDateObject->modify($adjustDaysString); switch (Functions::getReturnDateType()) { case Functions::RETURNDATE_EXCEL: return (float) Date::PHPToExcel($PHPDateObject); case Functions::RETURNDATE_UNIX_TIMESTAMP: return (int) Date::excelToTimestamp(Date::PHPToExcel($PHPDateObject)); case Functions::RETURNDATE_PHP_DATETIME_OBJECT: return $PHPDateObject; } } }
