/**
* Gets payment method list for specified currency
*
* @param string $currency
*
* @return WebToPay_PaymentMethodList
*
* @throws WebToPayException
*/
public function getPaymentMethodList($currency)
{
if (!isset($this->methodListCache[$currency])) {
$xmlAsString = $this->webClient->get(WebToPay::XML_URL . $this->projectId . '/currency:' . $currency);
$useInternalErrors = libxml_use_internal_errors(false);
$rootNode = simplexml_load_string($xmlAsString);
libxml_clear_errors();
libxml_use_internal_errors($useInternalErrors);
if (!$rootNode) {
throw new WebToPayException('Unable to load XML from remote server');
}
$methodList = new WebToPay_PaymentMethodList($this->projectId, $currency);
$methodList->fromXmlNode($rootNode);
$this->methodListCache[$currency] = $methodList;
}
return $this->methodListCache[$currency];
}
