3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; $b=0; switch($a) { default: $b += 1; break; default: $b += 2; } echo $b; //output would be 2
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
2
Output for 5.1.0
Fatal error: fatal flex scanner internal error--end of buffer missed in /in/9RtL8 on line 11
Process exited with code 255.
preferences:
263.88 ms | 1395 KiB | 201 Q