3v4l.org

run code in 300+ PHP versions simultaneously
<?php function flatten(array $array) { $return = array(); array_walk_recursive($array, function($a, $b) use (&$return) { $return[$b] = $a; }); return $return; } $array = array( 1 => array( 5 => array( 3 => 'testvalue1' ) ), 2 => array( 6 => 'testvalue2' ), 3 => 'testvalue3', 4 => 'testvalue4', ); var_dump(flatten($array));
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [3]=> string(10) "testvalue3" [6]=> string(10) "testvalue2" [4]=> string(10) "testvalue4" }

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:
43.72 ms | 401 KiB | 8 Q