imap_msgno

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

imap_msgno — Gets the message sequence number for the given UID

说明

imap_msgno(IMAP\Connection $imap, int $message_uid): int

Returns the message sequence number for the given message_uid.

This function is the inverse of imap_uid().

参数

imap: IMAP\Connection 实例。
message_uid: The message UID

返回值

Returns the message sequence number for the given message_uid.

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)。

参见

imap_uid() - This function returns the UID for the given message sequence number

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User Contributed Notes 3 notes

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phpdocu at malli dot co dot at ¶

1 month ago


Here is a simple working snippet to properly check the return value of imap_msgno():

$id = imap_msgno($imapConnection, $mailUid); //convert to normal messagenumber in current context
$verifyUid = imap_uid($imapConnection, $id);
if ($verifyUid != $mailUid)
  throw new Exception("Attention: imap_msgno returned nonsense!  The mail was probably not found in the mailbox!");

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-1

os at simonconsulting dot at ¶

11 years ago


For me, this function returns FALSE if uid does not match a message in the current mailbox.

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-1

dcridland.at.redwire.com ¶

20 years ago


<p>Note that imap_msgno() doesn't ever give you an error message. So, assuming you're passing about message numbers as a UID, be warned that:</p>

<p>$msguid = false;<br>

$msgno = imap_msgno( $your_initialized_connection, $msguid );</p>

<p>Will leave ($msgno==1) - this is probably not what you want, and it's surprisingly easy to miss while you're doing the basic testing.</p>

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

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imap_msgno

说明

参数

返回值

更新日志

参见

User Contributed Notes 3 notes