Online PHP editor | refs for OvIet

<?php $rows = [ "3" => [ "id" => 3, "name" => "Lorem", "type" => "pl" ], "2" => [ "id" => 2, "name" => "Ipsum", "type" => "pl" ] ]; $map = [ "6" => "Sit dolor", "4" => "nostrud exercitation ullamco", "3" => "uuntur magni dolores", "2" => "corporis suscipit laboriosam", "7" => "quia non numquam eius modi tempora", ]; var_export( array_map( fn($row) => $row + ['new_key' => $map[$row['id']]], $rows ) );