3v4l.org

run code in 300+ PHP versions simultaneously
<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); $firstNames = array_map( function($record) { return ['first_name' => $record['first_name']]; }, $records ); var_dump($firstNames);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> array(1) { ["first_name"]=> string(4) "John" } [1]=> array(1) { ["first_name"]=> string(5) "Sally" } [2]=> array(1) { ["first_name"]=> string(4) "Jane" } [3]=> array(1) { ["first_name"]=> string(5) "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:
42.34 ms | 402 KiB | 8 Q