Online PHP editor | refs for 4dNfC

<?php $d = [ ['type' => 25500, 'month' => 'July'], ['type' => 5465, 'month' => 'January'], ['type' => 40000, 'month' => 'April'], ['type' => 35000, 'month' => 'June'], ['type' => 10000, 'month' => 'February'] ]; $allmonths = ['January', 'February', 'March', 'April', 'May','June','July','August', 'September','October','November','December']; $lookup = array_column($d, null, 'month'); // assign temporary keys for improved efficiency $result = []; foreach ($allmonths as $month) { $result[] = $lookup[$month] ?? ['type' => 0, 'month' => $month]; } var_export($result);