3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=5; // global scope $y=10; // global scope function myTest() { global $x,$y; $y=$x+$y; } myTest(); echo $y; // outputs 15 ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
15