3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function d($data = null) { $d = $data || $data = 1; return $d; } echo d(); echo d(4);
based on et7ap

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

Archived branches

Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page