3v4l.org

run code in 500+ PHP versions simultaneously
<?php $a=2; $b=0; switch($a) { case 1: default: $b += 1; break; default: $b += 2; } echo $b; //output would be 1
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
2

preferences:
25.21 ms | 1135 KiB | 7 Q