3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = 5; $b = &$a; echo ++$a.$b++;

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
66
Output for Arrow functions
66
Output for Object typehint
66
Output for Array change keys
66
Output for Lexical anon
66

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