3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $data = 0; for ($key =0; $key < 2; $key++) { switch ($key) { case 1 : $data++;break; case 2 : $data--;break; case 3 : $data--;break; default : $data=0;break; } echo $data; }
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
01