3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arrayFirst = [ "index" => [ 'a' => '1', ], [ 'a' => '2', ] ]; $arraySecond = [ "index" => [ 'b' => '1', ], [ 'b' => '2', ] ]; foreach ($arrayFirst as $k => &$row) { $row = array_merge($row, $arraySecond[$k]); } var_export($arrayFirst);
Output for git.master_jit, git.master, rfc.property-hooks
array ( 'index' => array ( 'a' => '1', 'b' => '1', ), 0 => array ( 'a' => '2', 'b' => '2', ), )

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:
32.94 ms | 405 KiB | 5 Q