3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($a, $a){ return ($a + $a); } echo test(test(0,2), test(2,5));
based on 8Za0p
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
20