3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a=array(); array_push($a,"1","2"); print_r($a);

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
Array ( [0] => 1 [1] => 2 )
Output for Array change keys
Array ( [0] => 1 [1] => 2 )
Output for Lexical anon
Array ( [0] => 1 [1] => 2 )

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