Omnipay\Common\Message\AbstractRequest::setItems PHP Метод

    public function setItems($items)
    {
        if ($items && !$items instanceof ItemBag) {
            $items = new ItemBag($items);
        }
        return $this->setParameter('items', $items);
    }

 /**
  * Set the items in this order
  *
  * @param ItemBag|array $items An array of items in this order
  * @return AbstractRequest
  */
 public function setItems($items)
 {
     if (!empty($items) && !$items instanceof ItemBag) {
         foreach ($items as &$item) {
             $item = new Item($item);
         }
     }
     parent::setItems($items);
 }