3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=15; $b=17; $c=0; function test () { $GLOBALS['c']=$GLOBALS['a']+$GLOBALS['b']; } test (); echo $c; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
32