3v4l.org

run code in 300+ PHP versions simultaneously
<?php $menu = array( array('id' => '1', 'catagory' => 'newbooks','title' => 'Alex','price' => 4.95, 'desc' => 'bbbb'), array('id' => '2','catagory' => 'newbooks','title' => 'David ','price' => 5.95, 'desc' => 'sss'), array('id' => '2','catagory' => 'newbooks','title' => 'David ','price' => 5.95, 'desc' => 'sss') ); array_walk($menu, function(&$key, $val){ $key = $val['id']; }); print_r($menu);
Output for git.master, git.master_jit
Warning: Trying to access array offset on value of type int in /in/pY9FW on line 9 Warning: Trying to access array offset on value of type int in /in/pY9FW on line 9 Warning: Trying to access array offset on value of type int in /in/pY9FW on line 9 Array ( [0] => [1] => [2] => )
Output for rfc.property-hooks
Warning: Trying to access array offset on int in /in/pY9FW on line 9 Warning: Trying to access array offset on int in /in/pY9FW on line 9 Warning: Trying to access array offset on int in /in/pY9FW on line 9 Array ( [0] => [1] => [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:
34.16 ms | 401 KiB | 8 Q