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Directory >> /var/www/html/back/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/DateTimeExcel/

File / Folder	Size	Action
.	-
Constants.php	1.077KB	edt ren
Current.php	2.216KB	edt ren
Date.php	7.305KB	edt ren
DateParts.php	5.083KB	edt ren
DateValue.php	6.673KB	edt ren
Days.php	2.208KB	edt ren
Days360.php	5.161KB	edt ren
Difference.php	5.96KB	edt ren
Helpers.php	9.075KB	edt ren
Month.php	4.487KB	edt ren
NetworkDays.php	4.188KB	edt ren
Time.php	5.011KB	edt ren
TimeParts.php	4.356KB	edt ren
TimeValue.php	4.229KB	edt ren
Week.php	10.061KB	edt ren
WorkDay.php	7.222KB	edt ren
YearFrac.php	5.695KB	edt ren

<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\DateTimeExcel;

use DateTime;
use PhpOffice\PhpSpreadsheet\Calculation\Exception;
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use PhpOffice\PhpSpreadsheet\Shared\Date as SharedDateHelper;

class Helpers
{
    /**
     * 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): bool
    {
        return (($year % 4) === 0) && (($year % 100) !== 0) || (($year % 400) === 0);
    }

/**
     * getDateValue.
     *
     * @param mixed $dateValue
     *
     * @return float Excel date/time serial value
     */
    public static function getDateValue($dateValue, bool $allowBool = true): float
    {
        if (is_object($dateValue)) {
            $retval = SharedDateHelper::PHPToExcel($dateValue);
            if (is_bool($retval)) {
                throw new Exception(ExcelError::VALUE());
            }

return $retval;
        }

self::nullFalseTrueToNumber($dateValue, $allowBool);
        if (!is_numeric($dateValue)) {
            $saveReturnDateType = Functions::getReturnDateType();
            Functions::setReturnDateType(Functions::RETURNDATE_EXCEL);
            $dateValue = DateValue::fromString($dateValue);
            Functions::setReturnDateType($saveReturnDateType);
            if (!is_numeric($dateValue)) {
                throw new Exception(ExcelError::VALUE());
            }
        }
        if ($dateValue < 0 && Functions::getCompatibilityMode() !== Functions::COMPATIBILITY_OPENOFFICE) {
            throw new Exception(ExcelError::NAN());
        }

return (float) $dateValue;
    }

/**
     * getTimeValue.
     *
     * @param string $timeValue
     *
     * @return mixed Excel date/time serial value, or string if error
     */
    public static function getTimeValue($timeValue)
    {
        $saveReturnDateType = Functions::getReturnDateType();
        Functions::setReturnDateType(Functions::RETURNDATE_EXCEL);
        $timeValue = TimeValue::fromString($timeValue);
        Functions::setReturnDateType($saveReturnDateType);

return $timeValue;
    }

/**
     * Adjust date by given months.
     *
     * @param mixed $dateValue
     */
    public static function adjustDateByMonths($dateValue = 0, float $adjustmentMonths = 0): DateTime
    {
        // Execute function
        $PHPDateObject = SharedDateHelper::excelToDateTimeObject($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;
    }

/**
     * Help reduce perceived complexity of some tests.
     *
     * @param mixed $value
     * @param mixed $altValue
     */
    public static function replaceIfEmpty(&$value, $altValue): void
    {
        $value = $value ?: $altValue;
    }

/**
     * Adjust year in ambiguous situations.
     */
    public static function adjustYear(string $testVal1, string $testVal2, string &$testVal3): void
    {
        if (!is_numeric($testVal1) || $testVal1 < 31) {
            if (!is_numeric($testVal2) || $testVal2 < 12) {
                if (is_numeric($testVal3) && $testVal3 < 12) {
                    $testVal3 += 2000;
                }
            }
        }
    }

/**
     * Return result in one of three formats.
     *
     * @return mixed
     */
    public static function returnIn3FormatsArray(array $dateArray, bool $noFrac = false)
    {
        $retType = Functions::getReturnDateType();
        if ($retType === Functions::RETURNDATE_PHP_DATETIME_OBJECT) {
            return new DateTime(
                $dateArray['year']
                . '-' . $dateArray['month']
                . '-' . $dateArray['day']
                . ' ' . $dateArray['hour']
                . ':' . $dateArray['minute']
                . ':' . $dateArray['second']
            );
        }
        $excelDateValue =
            SharedDateHelper::formattedPHPToExcel(
                $dateArray['year'],
                $dateArray['month'],
                $dateArray['day'],
                $dateArray['hour'],
                $dateArray['minute'],
                $dateArray['second']
            );
        if ($retType === Functions::RETURNDATE_EXCEL) {
            return $noFrac ? floor($excelDateValue) : (float) $excelDateValue;
        }
        // RETURNDATE_UNIX_TIMESTAMP)

return (int) SharedDateHelper::excelToTimestamp($excelDateValue);
    }

/**
     * Return result in one of three formats.
     *
     * @return mixed
     */
    public static function returnIn3FormatsFloat(float $excelDateValue)
    {
        $retType = Functions::getReturnDateType();
        if ($retType === Functions::RETURNDATE_EXCEL) {
            return $excelDateValue;
        }
        if ($retType === Functions::RETURNDATE_UNIX_TIMESTAMP) {
            return (int) SharedDateHelper::excelToTimestamp($excelDateValue);
        }
        // RETURNDATE_PHP_DATETIME_OBJECT

return SharedDateHelper::excelToDateTimeObject($excelDateValue);
    }

/**
     * Return result in one of three formats.
     *
     * @return mixed
     */
    public static function returnIn3FormatsObject(DateTime $PHPDateObject)
    {
        $retType = Functions::getReturnDateType();
        if ($retType === Functions::RETURNDATE_PHP_DATETIME_OBJECT) {
            return $PHPDateObject;
        }
        if ($retType === Functions::RETURNDATE_EXCEL) {
            return (float) SharedDateHelper::PHPToExcel($PHPDateObject);
        }
        // RETURNDATE_UNIX_TIMESTAMP
        $stamp = SharedDateHelper::PHPToExcel($PHPDateObject);
        $stamp = is_bool($stamp) ? ((int) $stamp) : $stamp;

return (int) SharedDateHelper::excelToTimestamp($stamp);
    }

private static function baseDate(): int
    {
        if (Functions::getCompatibilityMode() === Functions::COMPATIBILITY_OPENOFFICE) {
            return 0;
        }
        if (SharedDateHelper::getExcelCalendar() === SharedDateHelper::CALENDAR_MAC_1904) {
            return 0;
        }

return 1;
    }

/**
     * Many functions accept null/false/true argument treated as 0/0/1.
     *
     * @param mixed $number
     */
    public static function nullFalseTrueToNumber(&$number, bool $allowBool = true): void
    {
        $number = Functions::flattenSingleValue($number);
        $nullVal = self::baseDate();
        if ($number === null) {
            $number = $nullVal;
        } elseif ($allowBool && is_bool($number)) {
            $number = $nullVal + (int) $number;
        }
    }

/**
     * Many functions accept null argument treated as 0.
     *
     * @param mixed $number
     *
     * @return float|int
     */
    public static function validateNumericNull($number)
    {
        $number = Functions::flattenSingleValue($number);
        if ($number === null) {
            return 0;
        }
        if (is_int($number)) {
            return $number;
        }
        if (is_numeric($number)) {
            return (float) $number;
        }

throw new Exception(ExcelError::VALUE());
    }

/**
     * Many functions accept null/false/true argument treated as 0/0/1.
     *
     * @param mixed $number
     *
     * @return float
     */
    public static function validateNotNegative($number)
    {
        if (!is_numeric($number)) {
            throw new Exception(ExcelError::VALUE());
        }
        if ($number >= 0) {
            return (float) $number;
        }

throw new Exception(ExcelError::NAN());
    }

public static function silly1900(DateTime $PHPDateObject, string $mod = '-1 day'): void
    {
        $isoDate = $PHPDateObject->format('c');
        if ($isoDate < '1900-03-01') {
            $PHPDateObject->modify($mod);
        }
    }

public static function dateParse(string $string): array
    {
        return self::forceArray(date_parse($string));
    }

public static function dateParseSucceeded(array $dateArray): bool
    {
        return $dateArray['error_count'] === 0;
    }

/**
     * Despite documentation, date_parse probably never returns false.
     * Just in case, this routine helps guarantee it.
     *
     * @param array|false $dateArray
     */
    private static function forceArray($dateArray): array
    {
        return is_array($dateArray) ? $dateArray : ['error_count' => 1];
    }
}

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