3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump($_REQUEST['some invalid index']);
Output for 5.3.0 - 7.2.0
Notice: Undefined index: some invalid index in /in/9Jgof on line 2 NULL
Output for 4.3.0 - 5.2.17
Notice: Undefined index: some invalid index in /in/9Jgof on line 2 NULL