public function behaviors()
 {
     return ['access' => ['class' => AccessControl::className()], 'verbs' => ['class' => VerbFilter::className(), 'actions' => ['delete' => ['post']]]];
 }
 public function behaviors()
 {
     return ['access' => ['class' => AccessControl::className(), 'except' => ['login', 'userinfo', 'logout', 'forbidden']], 'verbs' => ['class' => VerbFilter::className(), 'actions' => ['logout' => ['post']]]];
 }