3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 'abc'; function a($name) { $_SESSION[$name] = $$name; } a('a'); $a = 'abc';
based on q7a66
Output for 5.0.4 - 7.2.0
Notice: Undefined variable: a in /in/TlXdm on line 7
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: a in /in/TlXdm on line 7