Using TwigRenderer directly, to render a view script and capture its output

gistfile1.php

        $viewModel = new ViewModel();
        $viewModel->setVariables(
            array(
                'reset_url' => $core->getCurrentSite() . "/reset/" . $reset_hash,
                'ip_address' => $core::getIP(),
                'promo_name' => $core->getPromotionName(),
            )
        );


        /**
         * Create a renderable script
         */
        $renderer = new TwigRenderer(
            $this->getServiceLocator()->get('Zend\View\View'),
            $this->getServiceLocator()->get('ZfcTwigEnvironment'),
            $this->getServiceLocator()->get('ZfcTwigResolver')
        );
        $viewModel->setTemplate( 'model/view/script' );
        $html     = $renderer->render( $viewModel );