从php中获取gmail imap的Message-ID值 [英] getting the value of Message-ID from gmail imap with php

问题描述

我使用标准的imap函数来抓取邮件，我需要保留
的Message-ID（和References和In-Reply-To）的轨迹来构建
线程。
我通过smtp回复邮件，保留旧主题，但是在我的Web界面中并未将它们与其他人分组。如果我添加一个In-Reply-To头文件 - 一切正常。

I use standard imap functions to grab mails, I need to keep track of the Message-ID (and References and In-Reply-To) to build threads. I reply to messages through the smtp, keeping the old subject, but in my web interface is not group them with others. If I add a In-Reply-To header - everything is OK.

问题是我无法获取Message-ID，References，In-Reply - （但在网络界面，他们是存在的）。
我试过不同的函数（imap_headerinfo，imap_fetchheader，imap_fetch_overview），但所有这些值都是空的。

The problem is that I can't get values of Message-ID, References, In-Reply-To (but in web interface they are present). I've tried different functions (imap_headerinfo, imap_fetchheader, imap_fetch_overview), but all of this values ​​are empty.

请帮忙！

推荐答案

消息ID的格式如下：

The message ID is in a format like:

<[e-mail]>

它被浏览器解析为HTML标记，下面的代码将输出一个消息ID可以通过浏览器显示的方式：

which is parsed by the browser as an HTML tag, the following code will output a message ID in a way that can be displayed by the browser:

$this->mbox = imap_open('{imap.gmail.com:993/imap/ssl}', $email, $password);
$headers = imap_header($this->mbox, 1);
echo htmlentities($headers->message_id);

或者，如果您绝对必须使用print_r：

Or if you absolutely must use print_r:

$this->mbox = imap_open('{imap.gmail.com:993/imap/ssl}', $email, $password);
ob_start(); 
print_r(imap_header($this->mbox, 1));
print_r(imap_fetch_overview($this->mbox, 1));
print_r(imap_fetchheader($this->mbox, 1));
echo htmlentities(ob_get_clean());

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