function utf82gb($utfstr)
{
if (function_exists('iconv')) {
return iconv('utf-8', 'gbk//ignore', $utfstr);
}
global $UC2GBTABLE;
$okstr = "";
if (trim($utfstr) == "") {
return $utfstr;
}
if (empty($UC2GBTABLE)) {
$filename = DEDEINC . "/data/gb2312-utf8.dat";
$fp = fopen($filename, "r");
while ($l = fgets($fp, 15)) {
$UC2GBTABLE[hexdec(substr($l, 7, 6))] = hexdec(substr($l, 0, 6));
}
fclose($fp);
}
$okstr = "";
$ulen = strlen($utfstr);
for ($i = 0; $i < $ulen; $i++) {
$c = $utfstr[$i];
$cb = decbin(ord($utfstr[$i]));
if (strlen($cb) == 8) {
$csize = strpos(decbin(ord($cb)), "0");
for ($j = 0; $j < $csize; $j++) {
$i++;
$c .= $utfstr[$i];
}
$c = utf82u($c);
if (isset($UC2GBTABLE[$c])) {
$c = dechex($UC2GBTABLE[$c] + 0x8080);
$okstr .= chr(hexdec($c[0] . $c[1])) . chr(hexdec($c[2] . $c[3]));
} else {
$okstr .= "&#" . $c . ";";
}
} else {
$okstr .= $c;
}
}
$okstr = trim($okstr);
return $okstr;
}
function Conv2UTF8($text, $RefCode = 1, $Codepage = "big5")
{
switch ($Codepage) {
case "gb":
case "936":
return gb2utf8($text, $RefCode);
case "sjis":
case "932":
return sjis2utf8($text, $RefCode);
case "ws":
return ws2utf8($text, $RefCode);
case "ru":
return ru2utf8($text, $RefCode);
case "heb":
return heb2utf8($text, $RefCode);
case "utf8":
return utf82u($text, $RefCode);
case "big5":
case "950":
default:
return big52utf8($text, $RefCode);
}
}
