3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); echo $beer; echo "\nbeer";
Output for 5.0.4 - 7.1.7
Notice: Undefined variable: beer in /in/k5YP0 on line 4 beer
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: beer in /in/k5YP0 on line 4 beer