3v4l.org

run code in 300+ 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 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.1 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
2
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/911jv on line 13
Process exited with code 255.
preferences:
247.89 ms | 1395 KiB | 162 Q