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<?php function easterOrthodox_date($year) { $a = $year % 4; $b = $year % 7; $c = $year % 19; $d = (19 * $c + 15) % 30; $e = (2 * $a + 4 * $b - $d + 34) % 7; $month = floor(($d + $e + 114) / 31); $day = (($d + $e + 114) % 31) + 1; $de = @mktime(0, 0, 0, $month, $day + 13, $year); return $de; } $years = array('2012', '2013', '2014', '2015', '2016', '2017', '2018'); foreach($years as $selYear) { $EasterOrth = @date('Y-m-d', @easterOrthodox_date($selYear)); echo $EasterOrth."\n"; }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
2012-04-15 2013-05-05 2014-04-20 2015-04-12 2016-05-01 2017-04-16 2018-04-08

preferences:
254.67 ms | 406 KiB | 397 Q