function addCartItem($name, $quantity, $totalAmount, $description = "") {

		if (count($this->cart) >= 2) {
			throw new Exception("This version of banks's API supports only up to 2 cart items in single payment, you can't add any more items.");
		}

		if (!is_numeric($quantity) or $quantity < 1) {
			throw new Exception("Invalid quantity: $quantity. It must be numeric and >= 1");
		}

		$name = trim(Strings::shorten($name, 20, "", true, true));
		$description = trim(Strings::shorten($description, 40, "", true, true));

		$this->cart[] = array(
			"name" => $name,
			"quantity" => $quantity,
			"amount" => intval(round($totalAmount)),
			"description" => $description
		);

		return $this;
	}
function addCartItem($name, $quantity, $totalAmount, $description = "") {

		if (count($this->cart) >= 2) {
			throw new Exception("This version of banks's API supports only up to 2 cart items in single payment, you can't add any more items.");
		}

		if (!is_numeric($quantity) or $quantity < 1) {
			throw new Exception("Invalid quantity: $quantity. It must be numeric and >= 1");
		}

		$name = trim(Strings::shorten($name, 20, "", true, true));
		$description = trim(Strings::shorten($description, 40, "", true, true));

		$this->cart[] = array(
			"name" => $name,
			"quantity" => $quantity,
			"amount" => intval(round($totalAmount)),
			"description" => $description
		);

		return $this;
	}
function addCartItem ( $ name , $ quantity , $ totalAmount , $ description = "" ) { if ( count ( $ this -> cart ) >= 2 ) { throw new Exception ( "This version of banks's API supports only up to 2 cart items in single payment, you can't add any more items." ) ; } if ( ! is_numeric ( $ quantity ) or $ quantity < 1 ) { throw new Exception ( "Invalid quantity: $quantity. It must be numeric and >= 1" ) ; } $ name = trim ( Strings :: shorten ( $ name , 20 , "" , true , true ) ) ; $ description = trim ( Strings :: shorten ( $ description , 40 , "" , true , true ) ) ; $ this -> cart [ ] = array ( "name" => $ name , "quantity" => $ quantity , "amount" => intval ( round ( $ totalAmount ) ) , "description" => $ description ) ; return $ this ; }
Add one cart item.

You are required to add one or two cart items (at least on API v1).

Remember that $totalAmount must be given in **hundredth of currency units**
(cents for USD or EUR, "halíře" for CZK)

@param string $name Name that customer will see
(will be automatically trimmed to 20 characters)
@param number $quantity
@param number $totalAmount Total price (total sum for all $quantity),
in **hundredths** of currency unit
@param string $description Aux description (trimmed to 40 chars max)

@return Payment Fluent interface

@throws Exception When more than 2nd cart item is to be added or other argument is invalid
Add one cart item .