foreach ($_POST as $key => $values) {
        if (in_array($key, $settings)) {
            //          $query = 'UPDATE ' . $GLOBALS['xoopsDB']->prefix('config') . " SET conf_value = '" . $values . "' WHERE conf_name = '" . $key . "'";
            $query = 'UPDATE ' . $GLOBALS['xoopsDB']->prefix('config') . " SET conf_value = '" . $GLOBALS['xoopsDB']->escape($values) . "' WHERE conf_name = '" . $GLOBALS['xoopsDB']->escape($key) . "'";
            $GLOBALS['xoopsDB']->query($query);