Example listener for changing layouts

GuestModule.php

<?php
namespace Guest;

use Zend\EventManager\StaticEventManager;

class Module
{
    public function init()
    {
        $events = StaticEventManager::getInstance();
        $events->attach('bootstrap', 'bootstrap', array($this, 'bootstrap'));
    }

    public function bootstrap($e)
    {
        $app = $e->getParam('application');
        $app->events()->attach('dispatch', array($this, 'layout', -900));
    }

    public function layout($e)
    {
        $routeMatch = $e->getRouteMatch();
        $route = $routeMatch->getMatchedRouteName();
        if (in_array($route, $someListOfRoutes)) {
            // hint to listener about new layout
        }
    }
}

gistfile1

<?php
namespace Guest;

use Zend\EventManager\StaticEventManager;

class Module
{
    public function init()
    {
        $events = StaticEventManager::getInstance();
        $events->attach('bootstrap', 'bootstrap', array($this, 'bootstrap'));
    }

    public function bootstrap($e)
    {
        $app = $e->getParam('application');
        $app->events()->attach('dispatch', array($this, 'layout', -900));
    }

    public function layout($e)
    {
        $routeMatch = $e->getRouteMatch();
        $route = $routeMatch->getMatchedRouteName();
        if (in_array($route, $someListOfRoutes)) {
            // hint to listener about new layout
        }
    }
}