APF_Demo::footer_left_apf_builtin_field_types PHP Метод

    public function footer_left_apf_builtin_field_types($sHTML)
    {
        return "<span>" . sprintf(__('inserted with the <code>%1$s</code> filter.', 'admin-page-framework-loader'), 'footer_left_{page slug}') . "</span><br />" . $sHTML;
    }