3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo() { return 100; } $y = foo(); $z; if ($y > 0) $z = $y; else $z = -$y; echo $z;
based on 4MksB
Output for 5.1.0 - 7.2.0
100
Output for 5.0.4 - 5.0.5
Notice: Undefined variable: z in /in/UjRr8 on line 7 100
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: z in /in/UjRr8 on line 7 100