public function render_login_signup_form($form) {
        global $SITE;

        $context = $form->export_for_template($this);
        $url = $this->get_logo_url();
        if ($url) {
            $url = $url->out(false);
        }
        $context['logourl'] = $url;
        $context['sitename'] = format_string($SITE->fullname, true,
                ['context' => context_course::instance(SITEID), "escape" => false]);

        return $this->render_from_template('core/signup_form_layout', $context);
    }