Online PHP editor | refs for vr0hk

<?php $result = [new DateTime('2000-01-02 00:00:00'), new DateTime('2000-01-01 00:00:00'), new DateTime('2000-01-01 00:00:00')]; //reorder the campaigns, because the order is not correct between different campaigns. uasort($result, function ($dateA, $dateB) { if ($dateA == $dateB) { return 0; } return $dateA < $dateB ? 1 : -1; }); var_dump($result);