3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo() { return 100; } {$y = foo(); $z; if ($y > 0) $z = $y; else $z = -$y; $z;} echo $x;
based on 8KrRo
Output for 5.1.0 - 7.1.0
Notice: Undefined variable: x in /in/HFeTO on line 10
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: z in /in/HFeTO on line 6 Notice: Undefined variable: x in /in/HFeTO on line 10
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: z in /in/HFeTO on line 6 Notice: Undefined variable: x in /in/HFeTO on line 10