3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 5; $b = 10; function Mul() { $a =0; $b = $a * $b; } Mul(); print($b);
Output for 5.3.18 - 7.2.0
Notice: Undefined variable: b in /in/sWi3u on line 9 10