3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function addition($a,$b){ return ($ab + $b); } $varaddition = "addition"; echo $varaddition(1,1);
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: ab in /in/FvUL4 on line 4 1
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: ab in /in/FvUL4 on line 4 1