/** * Sets the billingaddress of the customer item. * * @param MShop_Common_Item_Address_Interface $address Billingaddress of the customer item */ public function setPaymentAddress(MShop_Common_Item_Address_Interface $address) { if ($address === $this->_billingaddress && $address->isModified() === false) { return; } $this->_billingaddress = $address; $this->setModified(); }