/** * Parse the response from a XML-RPC method call, hold the response as a Zend_XmlRpc_Value object * The response parameter must be a valid XML string * * @param string $response XML string to parse */ protected function _parseResponse($response) { if (!$response) { // The response is empty throw new Zend_XmlRpc_Client_Exception('Received empty response'); } // Using simple XML to parse the response try { $simple_xml = @new SimpleXMLElement($response); } catch (Exception $e) { // The response is not a valid XML throw new Zend_XmlRpc_Client_Exception('Failed to parse response: ' . $e->getMessage(), $e->getCode()); } // We check if this is a Fault response if (!empty($simple_xml->fault)) { // The fault tag exists and not empty, the request failed and returned a fault response if (empty($simple_xml->fault->value)) { // Invalid fault response, fault tag must contain a value tag throw new Zend_XmlRpc_Client_Exception('Invalid fault response, FAULT tag must contain a VALUE tag'); } // Parse the fault response into a Zend_XmlRpc_Value object try { $this->_response = Zend_XmlRpc_Value::getXmlRpcValue($simple_xml->fault->value, Zend_XmlRpc_Value::XML_STRING); } catch (Zend_XmlRpc_Value_Exception $e) { // Failed to create a Zend_XmlRpc_Value object from the fault throw new Zend_XmlRpc_Client_Exception('Invalid fault response, ' . $e->getMessage()); } $fault = $this->_response->getValue(); throw new Zend_XmlRpc_Client_Exception('Request failed, ' . $fault['faultString'], $fault['faultCode']); } elseif (empty($simple_xml->params)) { // Invalid response, no params tag throw new Zend_XmlRpc_Client_Exception('Invalid response, method response must contain a PARAMS tag'); } elseif (empty($simple_xml->params->param)) { // Invalid response, params tag must contain a param tag throw new Zend_XmlRpc_Client_Exception('Invalid response, PARAMS tag must contain a PARAM tag'); } elseif (empty($simple_xml->params->param->value)) { // Invalid response, param tag must contain a value tag throw new Zend_XmlRpc_Client_Exception('Invalid response, PARAM tag must contain a VALUE tag'); } // Parse the success response into a Zend_XmlRpc_Value object $this->_response = Zend_XmlRpc_Value::getXmlRpcValue($simple_xml->params->param->value, Zend_XmlRpc_Value::XML_STRING); return $this->__getResponse(self::RESPONSE_PHP_NATIVE); }