3v4l.org

run code in 300+ PHP versions simultaneously
<?php $lists = [['email' => 'test@test.lv', 'mvars' => ['name' => 'bob']],['email' => 'test@test.lv', 'mvars' => ['name' => 'bob']]]; foreach($lists as $list){ $list = array_map(function($key){ var_dump($key); if($key == 'name'){ unset($key); $key = 'newkey'; } else { } },array_keys($list['mvars'])); }; var_dump($lists);
Output for git.master, git.master_jit, rfc.property-hooks
string(4) "name" string(4) "name" array(2) { [0]=> array(2) { ["email"]=> string(12) "test@test.lv" ["mvars"]=> array(1) { ["name"]=> string(3) "bob" } } [1]=> array(2) { ["email"]=> string(12) "test@test.lv" ["mvars"]=> array(1) { ["name"]=> string(3) "bob" } } }

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:
61.94 ms | 402 KiB | 8 Q