private function buildChieldString($page, $url, $pageName, $fragments, $i)
    {
        settype($page, 'string');

        $add = $this->buildAddUrl($url);
        $string = $url . $add . $i . $fragments;
        return sprintf("<li><a href='%s' class='%s'>%s</a></li>", $string, $pageName, $page);
    }