3v4l.org

run code in 300+ PHP versions simultaneously
<?php $thearray = [ 123456 => 'John Doe', 654321 => 'Doe John' ]; var_export( array_map( fn($name, $code) => compact(['name', 'code']), $thearray, array_keys($thearray) ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 0 => array ( 'name' => 'John Doe', 'code' => 123456, ), 1 => array ( 'name' => 'Doe John', 'code' => 654321, ), )

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:
31.3 ms | 405 KiB | 5 Q