Online PHP editor | output for YDsfc

<?php $arr = [ [ "menu_id" => 7, "menu_name" => "Kasagbutan Meals", "menu_price" => "100.00", "qty" => "1", "special_instructions" => "" ], [ "menu_id" => 7, "special_instructions" => "", "menu_name" => "Kasagbutan Meals", "menu_price" => "100.00", "qty" => "1", ], [ "menu_id" => 6, "menu_name" => "Coke", "menu_price" => "50.00", "qty" => "1", "special_instructions" => "" ] ]; $exclude = array_flip(['qty']); $totals = array_reduce($arr, function($totals, $item) use ($exclude) { $id = array_diff_key($item, $exclude); ksort($id); $hash = crc32(json_encode($id)); if (array_key_exists($hash, $totals)) { $totals[$hash]['qty'] += $item['qty']; } else { $totals[$hash] = $item; } return $totals; }, []); print_r($totals);