3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a=1; print $a; function schimbare(&$a) { $a++; } schimbare($a); print $a; ?>
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
12