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;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0
0
preferences:
170.85 ms | 404 KiB | 215 Q