function stripsymbol($string)
{
        preg_match_all("([a-zA-Z0-9/_]*)", urldecode($string), $result);
        return implode($result[0]);
}

$url = isset($_SERVER['PATH_INFO']) ? stripsymbol($_SERVER['PATH_INFO']) : "/";
$baseurl = stripsymbol(str_replace($url, "/", stripcslashes($_SERVER["REQUEST_URI"])))