static function PersianDateConverter::jalali_to_gregorian in Persian Date for Drupal 8 8

Same name and namespace in other branches

1. 8.4 src/Converter/PersianDateConverter.php \Drupal\persian_date\Converter\PersianDateConverter::jalali_to_gregorian()

Convert Persian date parameters to Gregorian.

Parameters

int $year Persian year:

int $month Persian month:

int $day Persian day:

string $mod:

Return value

array|string

2 calls to PersianDateConverter::jalali_to_gregorian()

PersianDate::setDate in src/Converter/PersianDate.php

@inheritDoc

PersianDateFactory::buildFromExactDate in src/Converter/PersianDateFactory.php

Build PersianDateTime instance from given parameters.

File

src/Converter/PersianDateConverter.php, line 62

Class

PersianDateConverter

This class converts Gregorian datetime to Persian datetime and reverse.

Namespace

Drupal\persian_date\Converter

Code

static function jalali_to_gregorian($year, $month, $day, $mod = '') {
  $gy = $year <= 979 ? 621 : 1600;
  $year -= $year <= 979 ? 0 : 979;
  $days = 365 * $year + (int) ($year / 33) * 8 + (int) (($year % 33 + 3) / 4) + 78 + $day + ($month < 7 ? ($month - 1) * 31 : ($month - 7) * 30 + 186);
  $gy += 400 * (int) ($days / 146097);
  $days %= 146097;
  if ($days > 36524) {
    $gy += 100 * (int) (--$days / 36524);
    $days %= 36524;
    if ($days >= 365) {
      $days++;
    }
  }
  $gy += 4 * (int) ($days / 1461);
  $days %= 1461;
  $gy += (int) (($days - 1) / 365);
  if ($days > 365) {
    $days = ($days - 1) % 365;
  }
  $gd = $days + 1;
  foreach (array(
    0,
    31,
    ($gy % 4 == 0 and $gy % 100 != 0 or $gy % 400 == 0) ? 29 : 28,
    31,
    30,
    31,
    30,
    31,
    31,
    30,
    31,
    30,
    31,
  ) as $gm => $v) {
    if ($gd <= $v) {
      break;
    }
    $gd -= $v;
  }
  return $mod == '' ? array(
    $gy,
    $gm,
    $gd,
  ) : $gy . $mod . $gm . $mod . $gd;
}