3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function a () { } a($a, 1+3, strlen('string'). 1);
based on fBBJP
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: a in /in/sgmqm on line 8
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/sgmqm on line 8