3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function test($a, $a){ echo ($a + $a); } test(test(0,2), test(2,5));
based on UY6g2
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
4100