[SOLVED] UTF-8 to Unicode Code Points

UTF-8 to Unicode Code Points

Is there a function that will change UTF-8 to Unicode leaving non special characters as normal letters and numbers?

ie the German word "tchüß" would be rendered as something like "tch\20AC\21AC" (please note that I am making the Unicode codes up).

EDIT: I am experimenting with the following function, but although this one works well with ASCII 32-127, it seems to fail for double byte chars:

function strToHex ($string)
{
    $hex = '';
    for ($i = 0; $i < mb_strlen ($string, "utf-8"); $i++)
    {
        $id = ord (mb_substr ($string, $i, 1, "utf-8"));
        $hex .= ($id <= 128) ? mb_substr ($string, $i, 1, "utf-8") : "&#" . $id . ";";
}

    return ($hex);
}

Any ideas?

EDIT 2: Found solution: The PHP ord() function does not work for double byte chars. Use instead: http://nl.php.net/manual/en/function.ord.php#78032

Solution

Converting one character set to another can be done with iconv:

http://php.net/manual/en/function.iconv.php

Note that UTF is already an Unicode encoding.

Another way is simply using htmlentities with the right character set:

http://php.net/manual/en/function.htmlentities.php