3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=1; echo $a; call($a); call($b); function call($var){ echo $var; }
Output for 5.0.4 - 7.2.0
11 Notice: Undefined variable: b in /in/pgG98 on line 7
Output for 4.3.0 - 5.0.3
11 Notice: Undefined variable: b in /in/pgG98 on line 7