/**
* @param ItemInterface $item
* @return string XML
*/
private function getItemShippingCostXmlString(ItemInterface $item)
{
$moneyFilter = new MoneyFilter();
$str = '<shippingCost>%s</shippingCost>';
$value = $item->getShippingCost();
return !empty($value) ? sprintf($str, $moneyFilter->filter($value)) : null;
}
/**
* @return string XML
*/
private function getCostXmlString()
{
$cost = $this->shipping->getCost();
$moneyFilter = new MoneyFilter();
if (!$cost) {
return null;
}
$str = '<cost>%s</cost>';
return sprintf($str, $moneyFilter->filter($cost));
}