/**
  * overwrite hasError to not handle 0103 error (empty result)
  *
  * @return boolean
  */
 public function hasError()
 {
     $result = parent::hasError();
     if (!$result && $this->statusCode == '0103') {
         $result = false;
     }
     return $result;
 }

 /**
  * implement own parsing mechanism to fix broken wsdl implementation
  */
 public function parse()
 {
     parent::parse();
     if (is_array($this->ipAddressLocation)) {
         foreach ($this->ipAddressLocation as $address) {
             $address->parse();
         }
     } elseif ($this->ipAddressLocation instanceof Zend_Service_DeveloperGarden_Response_IpLocation_IPAddressLocationType) {
         $this->ipAddressLocation->parse();
     }
     return $this;
 }

 /**
  * parse the response data and throws exceptions
  *
  * @throws Zend_Service_DeveloperGarden_Response_Exception
  * @return mixed
  */
 public function parse()
 {
     $retVal = $this->getResponse();
     if ($retVal === null) {
         $this->statusCode = 9999;
         $this->statusMessage = 'Internal response property not found.';
     } else {
         $this->statusCode = $retVal->getStatusCode();
         $this->statusMessage = $retVal->getStatusMessage();
     }
     parent::parse();
     return $retVal;
 }

 /**
  * implement parsing
  *
  */
 public function parse()
 {
     parent::parse();
     if ($this->isInCity === null) {
         // require_once 'Zend/Service/DeveloperGarden/Response/IpLocation/CityType.php';
         $this->isInCity = new Zend_Service_DeveloperGarden_Response_IpLocation_CityType();
     }
     if ($this->isInRegion === null) {
         // require_once 'Zend/Service/DeveloperGarden/Response/IpLocation/RegionType.php';
         $this->isInRegion = new Zend_Service_DeveloperGarden_Response_IpLocation_RegionType();
     }
     if ($this->isInGeo === null) {
         // require_once 'Zend/Service/DeveloperGarden/Response/IpLocation/GeoCoordinatesType.php';
         $this->isInGeo = new Zend_Service_DeveloperGarden_Response_IpLocation_GeoCoordinatesType();
     }
     return $this;
 }