3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function foo($a) { $a=5; echo func_get_arg(0); } foo(2); echo "\n"; ?>
based on 03UWo
Output for hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
5
Output for 4.3.0 - 5.6.28
2