static function dbCharsetToPhpCharset($in)
    {
        $out = $in;
        switch ($in) {
            case "None":$out = false;
                break;
            case "UTF8":$out = "UTF-8";
                break;
            case "LATIN1":$out = "ISO-8859-1";
                break;
            case "LATIN2":$out = "ISO-8859-2";
                break;
            case "LATIN3":$out = "ISO-8859-3";
                break;
            case "LATIN4":$out = "ISO-8859-4";
                break;
            case "LATIN4":$out = "ISO-8859-4";
                break;
            case "LATIN5":$out = "ISO-8859-9";
                break;
            case "LATIN6":$out = "ISO-8859-10";
                break;
            case "LATIN7":$out = "ISO-8859-13";
                break;
            case "LATIN8":$out = "ISO-8859-14";
                break;
            case "LATIN9":$out = "ISO-8859-15";
                break;
            case "LATIN9":$out = "ISO-8859-16";
                break;
            case "LATIN9":$out = "ISO-8859-16";
                break;
            case "ISO-8859-1":
            case "ISO-8859-2":
            case "ISO-8859-3":
            case "ISO-8859-4":
            case "ISO-8859-5":
            case "ISO-8859-6":
            case "ISO-8859-7":
            case "ISO-8859-8":
            case "ISO-8859-8-I":
            case "ISO-8859-9":
            case "ISO-8859-10":
            case "ISO-8859-11":
            case "ISO-8859-12":
            case "ISO-8859-13":
            case "ISO-8859-14":
            case "ISO-8859-15":
            case "ISO-8859-16":$out = $in;
                break;
            case "GB18030":
            case "GB2312":
            case "GBK":
            case "BIG5":$out = strtolower($in);
                break;
            case "WIN1250":$out = "Windows-1250";
                break;
            case "WIN1251":$out = "Windows-1251";
                break;
            case "WIN1252":$out = "Windows-1252";
                break;
            case "WIN1253":$out = "Windows-1253";
                break;
            case "WIN1254":$out = "Windows-1254";
                break;
            case "WIN1255":$out = "Windows-1255";
                break;
            case "WIN1256":$out = "Windows-1256";
                break;
            case "WIN1257":$out = "Windows-1257";
                break;
            case "WIN1258":$out = "Windows-1258";
                break;
            case "TIS620":$out = "tis-620";
                break;
            case "SJIS":$out = "shift-jis";
                break;
            default:$out = false;
        }

        return $out;
    }