imap_msgno

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

imap_msgno — Gets the message sequence number for the given UID

Description

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() .

Parameters

imap: An IMAP\Connection instance.
message_uid: The message UID

Return Values

Returns the message sequence number for the given message_uid.

Changelog

Version	Description
8.1.0	The `imap` parameter expects an IMAP\Connection instance now; previously, a valid `imap` resource was expected.

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User Contributed Notes 1 note

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phpdocu at malli dot co dot at ¶

3 years 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!");