public function getaddressAction()
 {
     $request = $this->getRequest();
     if ($request->isPost()) {
         $model = new Practitioners();
         $filter = array('param' => $request->getPost('word'));
         $api_url = $this->getServiceLocator()->get('config')['api_url']['value'];
         $fields = $request->getPost('fields') != "" ? $request->getPost('fields') : array('city_name', 'county_name', 'region_name', 'zip_code', 'country_name');
         $results = $model->getAddress($api_url, $filter, $fields);
         echo json_encode(array('status' => 1, 'results' => $results));
     }
     exit;
 }