public function beforeAction($action)
{
if (($params = $this->params) === null) {
$request = Yii::$app->getRequest();
$params = $request instanceof Request ? $request->post() : [];
}
if (isset($params[$this->clearStateParam]) && $params[$this->clearStateParam] != '0') {
FilterStateTrait::clearFilterStateParams($this->id);
if (Yii::$app->request->getIsAjax() && $this->exitIfAjax) {
Yii::$app->end();
} else {
$redirectTo = isset($params[$this->redirectToParam]) ? $params[$this->redirectToParam] : Yii::$app->controller->getRoute();
Yii::$app->response->redirect($redirectTo);
}
return false;
}
return true;
}
