3v4l.org

run code in 300+ PHP versions simultaneously
<?php $time = time(true); $arr = array(1,2,3,4,5,6,7,8,9,0); foreach ($arr as $id => $val) { $arr[$id] = $val++; } echo time(true) - $time;

preferences:
32.98 ms | 402 KiB | 5 Q