3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['11/01/2012', '03/16/2022', '12/26/2021', '01/01/2014', '09/02/2013']; usort($arr, function ($a, $b) { return strtotime($a) - strtotime($b); }); print_r($arr);
Output for 7.3.33, 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Array ( [0] => 11/01/2012 [1] => 09/02/2013 [2] => 01/01/2014 [3] => 12/26/2021 [4] => 03/16/2022 )
preferences:
46.06 ms | 407 KiB | 5 Q