Module.php

<?php
namespace PrivateMessaging;

use Zend\Mvc\MvcEvent;

class Module
{
    public function onBootstrap(MvcEvent $e)
    {
        $sm = $e->getApplication()->getServiceManager();
        $e->getApplication()->getEventManager()->getSharedManager()->attach(
            'Zend\Mvc\Controller\AbstractController',
            MvcEvent::EVENT_DISPATCH,
            function ($e) use ($sm) {
                $controller      = $e->getTarget();
                $controllerClass = get_class($controller);
                $moduleNamespace = substr($controllerClass, 0, strpos($controllerClass, '\\'));
                if ($moduleNamespace === __NAMESPACE__ && !$sm->get('zfcuser_auth_service')->hasIdentity()) {
                    return $controller->plugin("redirect")->toRoute($sm->get('PrivateMessaging\ModuleOptions')->getLoginRoute());
                }

                return true;
            },
            100
        );
    }

    public function getConfig()
    {
        return include __DIR__ . '/config/module.config.php';
    }

    public function getAutoloaderConfig()
    {
        return array(
            'Zend\Loader\StandardAutoloader' => array(
                'namespaces' => array(
                    __NAMESPACE__ => __DIR__ . '/src/' . __NAMESPACE__,
                ),
            ),
        );
    }

    public function getServiceConfig()
    {
        return include __DIR__ . '/config/services.config.php';
    }

    public function getViewHelperConfig()
    {
        return array(
            'invokables' => array(
                'privateSmartTime'           => 'PrivateMessaging\View\Helper\SmartTime',
                'privatemessagingComparer'   => 'PrivateMessaging\View\Helper\Comparer',
                'menu_helper'                => 'PrivateMessaging\View\Helper\Menuhelper'
            )
        );
    }
}