/** * Adds a new product/item in this payment request * * @param String $id * @param String $description * @param String $quantity * @param String $amount * @param String $weight * @param String $shippingCost */ public function addItem($id, $description = null, $quantity = null, $amount = null, $weight = null, $shippingCost = null) { $param = $id; if ($this->items == null) { $this->items = array(); } if (is_array($param)) { array_push($this->items, new Item($param)); } else { if ($param instanceof Item) { array_push($this->items, $param); } else { $item = new Item(); $item->setId($param); $item->setDescription($description); $item->setQuantity($quantity); $item->setAmount($amount); $item->setWeight($weight); $item->setShippingCost($shippingCost); array_push($this->items, $item); } } }