3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x = 75; $y = 25; function addition() { $GLOBALS['z'] = $GLOBALS['x'] + $GLOBALS['y']; echo $x; } addition(); echo $z; ?>
based on 8tFmF
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: x in /in/8XEhT on line 7 100
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: x in /in/8XEhT on line 7 100