PHP Manual
IMAP Functions
Gets the message sequence number for the given UID

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 resource was expected.

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