+
+/*
+ * Japanese charset extra function
+ *
+ */
+function japanese_charset_xtra() {
+ $ret = func_get_arg(1); /* default return value */
+ if (function_exists('mb_detect_encoding')) {
+ switch (func_get_arg(0)) { /* action */
+ case 'decode':
+ $detect_encoding = mb_detect_encoding($ret);
+ if ($detect_encoding == 'JIS' ||
+ $detect_encoding == 'EUC-JP' ||
+ $detect_encoding == 'SJIS') {
+
+ $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
+ }
+ break;
+ case 'encode':
+ $detect_encoding = mb_detect_encoding($ret);
+ if ($detect_encoding == 'JIS' ||
+ $detect_encoding == 'EUC-JP' ||
+ $detect_encoding == 'SJIS') {
+
+ $ret = mb_convert_encoding($ret, 'JIS', 'AUTO');
+ }
+ break;
+ case 'strimwidth':
+ $width = func_get_arg(2);
+ $ret = mb_strimwidth($ret, 0, $width, '...');
+ break;
+ case 'encodeheader':
+ $result = '';
+ if (strlen($ret) > 0) {
+ $tmpstr = mb_substr($ret, 0, 1);
+ $prevcsize = strlen($tmpstr);
+ for ($i = 1; $i < mb_strlen($ret); $i++) {
+ $tmp = mb_substr($ret, $i, 1);
+ if (strlen($tmp) == $prevcsize) {
+ $tmpstr .= $tmp;
+ } else {
+ if ($prevcsize == 1) {
+ $result .= $tmpstr;
+ } else {
+ $result .= mb_encode_mimeheader($tmpstr);
+ }
+ $tmpstr = $tmp;
+ $prevcsize = strlen($tmp);
+ }
+ }
+ if (strlen($tmpstr)) {
+ if (strlen(mb_substr($tmpstr, 0, 1)) == 1)
+ $result .= $tmpstr;
+ else
+ $result .= mb_encode_mimeheader($tmpstr);
+ }
+ }
+ $ret = $result;
+ //$ret = mb_encode_mimeheader($ret);
+ break;
+ case 'decodeheader':
+ $ret = str_replace("\t", "", $ret);
+ if (eregi('=\\?([^?]+)\\?(q|b)\\?([^?]+)\\?=', $ret))
+ $ret = mb_decode_mimeheader($ret);
+ $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
+ break;
+ case 'downloadfilename':
+ $useragent = func_get_arg(2);
+ if (strstr($useragent, 'Windows') !== false ||
+ strstr($useragent, 'Mac_') !== false) {
+ $ret = mb_convert_encoding($ret, 'SJIS', 'AUTO');
+ } else {
+ $ret = mb_convert_encoding($ret, 'EUC-JP', 'AUTO');
+}
+ break;
+ }
+ }
+ return $ret;
+}
+
+
+/*
+ * Korean charset extra function
+ * Hangul(Korean Character) Attached File Name Fix.
+ */
+function korean_charset_xtra() {
+
+ $ret = func_get_arg(1); /* default return value */
+ if (func_get_arg(0) == 'downloadfilename') { /* action */
+ $ret = str_replace("\x0D\x0A", '', $ret); /* Hanmail's CR/LF Clear */
+ for ($i=0;$i<strlen($ret);$i++) {
+ if ($ret[$i] >= "\xA1" && $ret[$i] <= "\xFE") { /* 0xA1 - 0XFE are Valid */
+ $i++;
+ continue;
+ } else if (($ret[$i] >= 'a' && $ret[$i] <= 'z') || /* From Original ereg_replace in download.php */
+ ($ret[$i] >= 'A' && $ret[$i] <= 'Z') ||
+ ($ret[$i] == '.') || ($ret[$i] == '-')) {
+ continue;
+ } else {
+ $ret[$i] = '_';
+ }
+ }
+
+ }
+
+ return $ret;
+}
+