- print_r: documentation ( source)
- strtotime: documentation ( source)
- usort: documentation ( source)
<?php
$unsorted = ['05-July-2017', '04-June-2017', '05-August-2017'];
usort($unsorted, function ($a, $b) {
return strtotime($a["date"]) - strtotime($b["date"]);
});
print_r($unsorted);