IndexController

<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/ZendSkeletonApplication for the canonical source repository
 * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Home\Controller;

use Zend\Mvc\Controller\AbstractActionController;
use Zend\View\Model\ViewModel;
use Zend\Session\Container;

class IndexController extends AbstractActionController
{
    protected $headerView;
    protected $registrationView;
    protected $contentView;
    protected $footerView;

    protected $lang;

    public function __construct()
    {
        //Initiate user session named 'user';
        if(!isset($_SESSION['user']))
            $session = new Container('user');

        //Content/Bodyview
        $this->contentView = new ViewModel();

        //Headerview
        $this->headerView = new ViewModel();
        $this->headerView->setTemplate('general/header/loggedout');
        $this->contentView->addChild($this->headerView, 'header');

        //Headerview
        $this->registrationView = new ViewModel();
        $this->registrationView->setTemplate('general/registration');
        $this->contentView->addChild($this->registrationView, 'registrationWizard');

        //Footerview
        $this->footerView = new ViewModel();
        $this->footerView->setTemplate('general/footer');
        $this->contentView->addChild($this->footerView, 'footer');

        //Dependencies
        $this->dependenciesJs = new ViewModel();
        $this->dependenciesJs->setTemplate('general/dependencies_js');
        $this->contentView->addChild($this->dependenciesJs, 'dependencies_js');

        $this->setLang();
    }

    public function indexAction()
    {
        $this->headerView->setTemplate('general/header/loggedout');

        //Check if user is logged in and set header accordingly
        if($this->isLoggedIn())
        {
            $this->headerView->setTemplate('general/header/loggedin');
        }

        if($this->params()->fromRoute('lang') == "")
        {
            return $this->redirect()->toRoute('home', array('lang' => $this->lang));
        }

        return $this->contentView;
    }

    private function isLoggedIn()
    {
        if(isset($_SESSION['user']))
        {
            return true;
        }

        return false;
    }

    private function setLang()
    {
        if(isset($_COOKIE['lang']) && $_COOKIE['lang'] != "")
        {
            $this->lang = $_COOKIE['lang'];
        }
        else
        {
            $this->lang = locale_accept_from_http($_SERVER['HTTP_ACCEPT_LANGUAGE']);
        }
    }
}