3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $id = ((int) $_GET['id']) ?? 0;
based on gu3vZ
Output for 7.0.0 - 7.2.0
Notice: Undefined index: id in /in/kb7NI on line 3
Output for 5.3.22 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/kb7NI on line 3
Process exited with code 255.