function utf8converter_decode_utf8($what, $to_encoding)
{
    if (!utf8converter_can_convert_encoding($from_encoding)) {
        return false;
    }
    // if
    if (!$what) {
        return '';
    }
    // if
    $converter = new UTF8Converter($to_encoding);
    return $converter->utf8ToStr($what);
}