解码UTF-8编码头
[英]Decoding UTF-8 Encoded Header
问题描述
I'm using PHP imap to read emails out of an inbox. 
我正在使用PHP imap从收件箱中读取电子邮件。 It extracts some information from headers. 它从标题中提取一些信息。 One of the headers looks like this: 其中一个标题如下所示：
X-My-Custom-Header: =?UTF-8?B?RXVnZW4gQmFiacSH?= X-My-Custom-Header：=？UTF-8？B？RXVnZW4gQmFiacSH？=
The original value of that encoded string is Eugen Babić. 该编码字符串的原始值是EugenBabić。
When I try to decode that string using PHP, I can't get it quite right, the ć always comes back messed up. 当我尝试使用PHP解码该字符串时，我无法理解它，ć总是回来搞砸了。
I've tried imap_utf8, imap_mime_header_decode and a bunch of others I can't quite recall. 我已经尝试了imap_utf8，imap_mime_header_decode以及其他一些我无法回忆的内容。 They either don't return anything at all, or they mess up the ć as I mentioned before. 他们要么根本不归还任何东西，要么就像我之前提到的那样弄乱了ć。
What is the correct way to decode this? 解码这个的正确方法是什么？
3 个解决方案
解决方案1
2 2013-06-19 09:01:05
imap_utf8 and imap_mime_header_decode work just fine; imap_utf8和imap_mime_header_decode工作就好了; there's also iconv_mime_decode : 还有iconv_mime_decode ：
php > echo imap_utf8('X-My-Custom-Header: =?UTF-8?B?RXVnZW4gQmFiacSH?='), "\n";
X-My-Custom-Header: Eugen Babić
php > list($k,$v) = imap_mime_header_decode('X-My-Custom-Header: =?UTF-8?B?RXVnZW4gQmFiacSH?=');
php > echo $v->text, "\n";
Eugen Babić
php > echo iconv_mime_decode('X-My-Custom-Header: =?UTF-8?B?RXVnZW4gQmFiacSH?=', 0, "utf8"), "\n";
X-My-Custom-Header: Eugen Babić
It seems that imap_utf8 returns its output in NFD, so that the accent over the c may appear out of place in some settings. 似乎imap_utf8在NFD中返回其输出，因此在某些设置中c上的重音可能显得不合适。
解决方案2
1 已采纳 2013-06-20 05:43:26
Here's what you're doing wrong: You're HTML (as generated by the PHP) is not UTF-8 encoded. 这就是你做错了什么：你的HTML（由PHP生成）不是UTF-8编码的。 So even though it's returning the accented c, the page isn't displaying it correctly. 因此，即使它返回重音c，页面也没有正确显示。
To fix it, add this in your <head> tag: 要解决此问题，请在<head>标记中添加：
<meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
解决方案3
0 2015-01-19 17:01:02
The function mb_decode_mimeheader() solved the problem 函数mb_decode_mimeheader（）解决了这个问题
"fromName" => (isset($fromInfo->personal))
? mb_decode_mimeheader( $fromInfo->personal) : "",
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