3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $farts = "farts"; $$farts = "shit"; echo $farts; echo $shit;
Output for 5.0.4 - 7.1.0
shit Notice: Undefined variable: shit in /in/DkQ8A on line 5
Output for 4.3.0 - 5.0.3
shit Notice: Undefined variable: shit in /in/DkQ8A on line 5