function check_now()
 {
     access::verify_csrf();
     upgrade_checker::fetch_version_info();
     $message = upgrade_checker::get_upgrade_message();
     if ($message) {
         $message .= t(" <a href=\"%hide-url\"><i>(remind me later)</i></a>", array("url" => url::site("admin/upgrade_checker/remind_me_later?csrf=__CSRF__")));
         site_status::info($message, "upgrade_checker");
     } else {
         site_status::clear("upgrade_checker");
     }
     url::redirect("admin/dashboard");
 }