3v4l.org

run code in 300+ PHP versions simultaneously
<?php $my_array = array( array("date" => "10/04/2019"), array("date" => "10/05/2017") ); usort($my_array, function ($a, $b) { return strtotime($a['date']) <=> strtotime($b['date']); }); print_r($my_array);
Output for 7.1.25 - 7.1.28, 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
Array ( [0] => Array ( [date] => 10/05/2017 ) [1] => Array ( [date] => 10/04/2019 ) )
preferences:
91.96 ms | 1438 KiB | 4 Q