3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); echo "mo$xooo";
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: xooo in /in/IGh8D on line 3 mo
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: xooo in /in/IGh8D on line 3 mo