3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $x=5; $y=7; function myTest(){ global $x,$y; $y= $x + $y; } myTest(); //run function echo $y; // output the new value for variable $y ?>
Output for 5.6.30, hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.2.9
12