Front Controller plugin for Zend Framework 1 to automatically check wether user is logged in or not

app\modules\plugins\Login.php

<?php

class Modul_Plugin_Login extends Zend_Controller_Plugin_Abstract
  {


	public function preDispatch(Zend_Controller_Request_Abstract $request)
		{
		$credentials = FUNCION_IS_LOGGED_IN();
		if (!Default_Model_Base::RZAccountIsValid($credentials->ndsaccount))
			{
			$request->setModuleName('ausleihe')
				->setControllerName('user')
				->setActionName('login-form')
				->setDispatched(true);
			}

		}

	}

Modul_UserController.php

<?php

class Modul_UserController extends Zend_Controller_Action
  {

	public function init()
		{
		$front = Zend_Controller_Front::getInstance();
		$front->registerPlugin(new Module_Plugin_Login());
		$this->view->credentials = FUNCION_IS_LOGGED_IN();
		}


	public function indexAction()
		{
	
		}

	public function logoutAction()
		{

		}

	public function loginAction()
		{
		
		}

	public function loginFormAction()
		{

		}

	}