App\Action\HomePageAction::__invoke PHP Method

    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, callable $next = null)
    {
        $data = [];
        if ($this->router instanceof Router\AuraRouter) {
            $data['routerName'] = 'Aura.Router';
            $data['routerDocs'] = 'http://auraphp.com/packages/2.x/Router.html';
        } elseif ($this->router instanceof Router\FastRouteRouter) {
            $data['routerName'] = 'FastRoute';
            $data['routerDocs'] = 'https://github.com/nikic/FastRoute';
        } elseif ($this->router instanceof Router\ZendRouter) {
            $data['routerName'] = 'Zend Router';
            $data['routerDocs'] = 'http://framework.zend.com/manual/current/en/modules/zend.mvc.routing.html';
        }
        if ($this->template instanceof PlatesRenderer) {
            $data['templateName'] = 'Plates';
            $data['templateDocs'] = 'http://platesphp.com/';
        } elseif ($this->template instanceof TwigRenderer) {
            $data['templateName'] = 'Twig';
            $data['templateDocs'] = 'http://twig.sensiolabs.org/documentation';
        } elseif ($this->template instanceof ZendViewRenderer) {
            $data['templateName'] = 'Zend View';
            $data['templateDocs'] = 'http://framework.zend.com/manual/current/en/modules/zend.view.quick-start.html';
        }
        if (!$this->template) {
            return new JsonResponse(['welcome' => 'Congratulations! You have installed the zend-expressive skeleton application.', 'docsUrl' => 'zend-expressive.readthedocs.org']);
        }
        return new HtmlResponse($this->template->render('app::home-page', $data));
    }