3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = null; echo (int) $t; echo (int) $u;
Output for 5.0.4 - 7.2.0
0 Notice: Undefined variable: u in /in/lgt37 on line 4 0
Output for 4.3.0 - 5.0.3
0 Notice: Undefined variable: u in /in/lgt37 on line 4 0