3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ [ 'FirstName' => 'Robin', 'Address' => 'Cave', 'LastName' => 'Mactimmy', 'Tel' => '9076', 'Email' => 'i@o.com', ], [ 'Address' => 'uytr', 'FirstName' => 'Bill', 'Email' => 'j@k.com', 'LastName' => 'Gates', 'Tel' => '7654', ], [ 'LastName' => 'Mahoney', 'Email' => 'y@i.ie', 'FirstName' => 'Tom', 'Tel' => '5689', 'Address' => 'kklll', ] ]; $order = array_flip(['FirstName', 'LastName', 'Address', 'Tel', 'Email']); var_export( array_map(fn($row) => array_merge($order, $row), $array) );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array ( 0 => array ( 'FirstName' => 'Robin', 'LastName' => 'Mactimmy', 'Address' => 'Cave', 'Tel' => '9076', 'Email' => 'i@o.com', ), 1 => array ( 'FirstName' => 'Bill', 'LastName' => 'Gates', 'Address' => 'uytr', 'Tel' => '7654', 'Email' => 'j@k.com', ), 2 => array ( 'FirstName' => 'Tom', 'LastName' => 'Mahoney', 'Address' => 'kklll', 'Tel' => '5689', 'Email' => 'y@i.ie', ), )

preferences:
129.34 ms | 403 KiB | 123 Q