laraval 分頁

$res = $qry->paginate($num_per_page);

foreach ($res->items() as $item) {
    $item->vendor_name = $item->order->vendor->name;
    $item->ship_date = $item->order->ship_date;
    unset($item->order);

}

$res = $res->toArray();

return $res['data'];  //獲取數據