3v4l.org

run code in 500+ PHP versions simultaneously
<?php $_POST['order_id']=['3','a','4']; $order_id = array_map(function($v){return filter_var($v,FILTER_VALIDATE_INT);}, $_POST['order_id']); print_r($order_id);
Output for 5.6.38, 7.0.33, 7.1.0 - 7.1.33, 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] => 3 [1] => [2] => 4 )
preferences:
110.05 ms | 1616 KiB | 4 Q