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<?php echo dateDifference('2017-09-29', '2018-11-29'); function dateDifference($date_1 , $date_2 , $differenceFormat = '%y Year(s) %m month(s)') { $datetime1 = date_create($date_1); $datetime2 = date_create($date_2); $interval = date_diff($datetime1, $datetime2); return $interval->format($differenceFormat); }
Output for 5.6.38, 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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
1 Year(s) 2 month(s)

preferences:
114.6 ms | 1583 KiB | 4 Q