protected function onStart() {
		parent::onStart();
		$this->checkSignupFields();
		if ($this->isPostRequest()) {
			$this->signupResponse = $this->processPostRequest();
		}
	}
 protected function onStart()
 {
     parent::onStart();
     if ($this->isPostRequest()) {
         $this->loginResponse = $this->processPostRequest();
     }
     $this->tryToLogin();
 }
 protected function onStart()
 {
     parent::onStart();
     $this->checkIfUserIsLogged();
 }