internal character encoding to SJIS */$str = mb_convert_encoding($str, "SJIS");/* Convert EUC-JP to UTF
UTF-8,UTF-7,ASCII,EUC-JP,SJIS,eucJP-win,SJIS-win,JIS,ISO-2022-JP 对于ISO-8859-*,mbstring总是检测为ISO-8859-*
//Accept-Charset:utf-8,iso-8859-1;q=0.2,utf-7;q=0.5ctx.acceptsCharsets('utf-8','utf-7');//=>"utf-8"ctx.acceptsCharsets
php$name = ""; // kanji$mbox = "kru";$doma = "gtinn.mon";$addr = mb_encode_mimeheader($name, "UTF-7",
2LE[19]=>UTF-32[20]=>UTF-32BE[21]=>UTF-32LE[22]=>UTF-16[23]=>UTF-16BE[24]=>UTF-16LE[25]=>UTF-8[26]=>UTF
(ASCII不相容编码是那些不将8位的代码点映射0x20到0x7E给0x0020到0x007EUnicode代码点)作者不得使用CESU-8,UTF-7,BOCU-1和SCSU,因为跨站点脚本与这些编码攻击已被证明
,“UTF-7:Unicode的邮件安全转换格式”,RFC2152,1997年5月。 常量 ANSWERED 指示消息的标志已被回答。