3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $foo = "bar"; function something() { return $foo; } echo something();
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: foo in /in/Pu6mR on line 6
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: foo in /in/Pu6mR on line 6