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<?php $display = [ 'dateChanged' => '2019-09-17T19:42:56', 'dateChanged' => '2018-09-17T19:42:56', 'dateChanged' => '2017-09-17T19:42:56', 'dateChanged' => '2030-09-17T19:42:56' ]; usort($display, function($a, $b) { $ad = new DateTime($a['dateChanged']); $bd = new DateTime($b['dateChanged']); if ($ad == $bd) { return 0; } return $ad < $bd ? -1 : 1; }); print_r($display);
Output for 7.1.25 - 7.3.1
Array ( [0] => 2030-09-17T19:42:56 )