public function editcountry()
 {
     $err = array();
     if ($_POST['_type'] == 3) {
         $model_country = model_ext_country::find($_POST['country_code']);
         $model_country->delete();
     } else {
         if ($_POST['_type'] == 1) {
             $model_country = new model_ext_country();
             $model_country->create($_POST);
         } else {
             if ($_POST['_type'] == 2) {
                 $model_country = model_ext_country::find($_POST['country_code_old']);
                 unset($_POST['country_code_old']);
                 $model_country->fill($_POST);
                 $model_country->save();
             }
         }
     }
     return redirect('/backend/country')->withErrors($err);
 }