3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr1 = ["apple" => "bla", "peer" => "bleh"]; $arr2 = ["apple" => "foo", "bar" => "baz"]; $totalKeys = array_merge(array_keys($arr1), array_keys($arr2));
Output for git.master, git.master_jit, rfc.property-hooks

This tab shows result from various feature-branches currently under review by the php developers. Contact me to have additional branches featured.

Active branches

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

preferences:
36.17 ms | 401 KiB | 8 Q