3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $var = 10; function fn(){ $var = 20; return $var; } fn(); echo $var;
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
10