3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=FALSE; $y=0; $x=array(); print almighty_function($x, $y, $z); function almighty_function($x, $y, $z) { if ($y != $z && $x == $y && $x == $z) { return "Success!"; } return "FAIL!"; }
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: z in /in/l1mmB on line 7 FAIL!
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: z in /in/l1mmB on line 7 FAIL!