gistfile1.txt

public function execute(\Zend\Mvc\MvcEvent $e)
    {
        /**
         * @var \Application\Service\SiteService
         */
        $this->site = $this->getServiceLocator()->get('Application/Service/Site');

        $this->layout()->setVariable('siteDomain', strtolower($this->site->getDomain()));
        $this->layout()->setVariable('nextDomainUri', $this->site->getDomainUri($this->site->getNextAvailableDomain()));

        parent::execute($e);
    }