3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); switch($_GET['a']) { case "lol" : echo "haha"; break; case "hihi": echo "lachen!"; break; case null: break; default: echo "nja"; } ?>
Output for 5.3.0 - 7.1.0
Notice: Undefined index: a in /in/4mjgo on line 4
Output for 4.3.0 - 5.2.17
Notice: Undefined index: a in /in/4mjgo on line 4