/**
* totalOrder
* It is able to return the order total, as items number and price total
* @param [object] $items is the order details, which contains the purchase information
* @return [array]
*/
public static function totalOrder($items)
{
$data = ['qty' => 0, 'total' => 0];
$items->each(function ($item, $key) use(&$data) {
$data['qty'] += $item->quantity;
$data['total'] += $item->price;
});
return $data;
}
