3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [3 => ['a' => 'a1'], 4 => ['a' => 'a2']]; $b = [3 => ['b' => 'b1'], 4 => ['b' => 'b2']]; var_dump(array_merge($a, $b));
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> array(1) { ["a"]=> string(2) "a1" } [1]=> array(1) { ["a"]=> string(2) "a2" } [2]=> array(1) { ["b"]=> string(2) "b1" } [3]=> array(1) { ["b"]=> string(2) "b2" } }

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:
42.67 ms | 401 KiB | 8 Q