code: private function getAdldap2Provider() {
          if(isset(Yii::$app->params['yii2-adldap-providername'])) {
              $provider =Yii::$app->ad->getProvider(Yii::$app->params['yii2-adldap-providername']);
          } else {
              $provider =Yii::$app->ad->getDefaultProvider();
          }
  
          return $provider;
      }
docs: Get the Adldap2 provider name
  Since Version 3.0.5 use the static function getAdldapProvider()
  
  @deprecated since version 3.0.5