3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = array('key' => 'value'); //array_map(function($k, $v){var_dump($k, $v);}, array_keys($arr), $arr); array_map(function($a){ var_dump($a); }, $arr);
Output for git.master, git.master_jit, rfc.property-hooks
string(5) "value"

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:
48.65 ms | 401 KiB | 8 Q