imap_headers

(PHP 4, PHP 5, PHP 7, PHP 8)

imap_headers — Returns headers for all messages in a mailbox

说明

imap_headers(IMAP\Connection $imap): array|false

Returns headers for all messages in a mailbox.

参数

imap: IMAP\Connection 实例。

返回值

Returns an array of string formatted with header info. One element per mail message. Returns false on failure.

更新日志

版本	说明
8.1.0	现在 `imap` 参数接受 IMAP\Connection 实例，之前接受资源(resource)。

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User Contributed Notes 5 notes

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paulwright75 at hotmail dot com ¶

9 years ago


Ok, this page is driving me crazy. Parsing the lines returned in the array is simple enough but there is no definitions on what the flags mean. So I searched the web to find the answer and this is what I was able to gather:

A - Answered: email has been replied to
N - New: Recent and not seen
R - Recent: Recent and seen
U - Unread: The message has not been read yet
F - Flagged: Message is "flagged" for urgent/special attention
D - Deleted: Message is "deleted" for removal by later EXPUNGE
X - Draft: Message has not completed composition (marked as a draft).

please correct me if I am wrong...

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mmuoio at gmail dot com ¶

12 years ago


This function will not return a full subject line if it is longer than 25 characters.  I found this out after trying to search each header and move the email to a different folder depending on what the subject was (searching for year and project number).

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webmaster at RealityRipple dot com ¶

4 years ago


Just a helpful hint, many IMAP servers will include non-standard flags in curly braces before the subject in the response of this function. Pretty sure this is the only way to determine if a message has been forwarded, for example, when using the IMAP functions. The first flag (or more) may be prefixed with a dollar sign ($). It's (probably) likely that any such flags received by a server can be passed through imap_append to that server, as well.

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antispam at katiheta dot net ¶

8 years ago


Message flag descriptions can be found on official imap_headerinfo page (http://www.php.net/manual/en/function.imap-headerinfo.php) in "Return Value" paragraph.

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Anonymous ¶

1 year ago


the format returned is very fixed:

FLAGS (space) NUMBER (*) DATE (space) SENDER (space) SUBJECT (space) LENGTH

NUMBER will be a left-padded string of up to 4 digits + ")", starting with 5 digits, it is those 5 digits (without the ")")

DATE will be a left-padded string like " 2-Apr-2021" or a non-padded string like "13-Apr-2021"

SENDER is 20 chars long

SUBJECT is 25 chars long

LENGTH is a string like "(1248 chars)" , however it allows more digits and is not padded.

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官方地址：https://www.php.net/manual/en/function.imap-headers.php

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imap_headers

说明

参数

返回值

更新日志

User Contributed Notes 5 notes