3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array( 0 => array( 'id' => 1, 'name' => 'john' ), 1 => array( 'id' => 28, 'name' => 'peter' ) ); var_export( array_reduce( $a, fn($result, $row) => array_replace($result, [$row['id'] => ['name' => $row['name']]]), [] ) );
Output for git.master, git.master_jit, rfc.property-hooks
array ( 1 => array ( 'name' => 'john', ), 28 => array ( 'name' => 'peter', ), )

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:
15.78 ms | 405 KiB | 5 Q