3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $t = function(callable $func) { return $func(); }; $s = function() { echo 'E'; }; $t($s);

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

Output for Typed properties v2
E
Output for Arrow functions
E
Output for Object typehint
E
Output for Array change keys
E
Output for Lexical anon
E

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