3v4l.org

run code in 300+ PHP versions simultaneously
<?php $input = [ 'set1' => [ 'key1' => 'value1', 'key2' => 'value2' ], 'set2' => [ 'key1' => 'value1', 'key2' => 'value2' ] ]; $output = [ 'key1' => 'value1', 'key2' => 'value2', 'key3' => 'value3', 'key4' => 'value4', 'key5' => 'value5', 'key6' => 'value6', ];
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:
45.86 ms | 401 KiB | 8 Q