PHP Manual
IMAP Functions
Gets the number of messages in the current mailbox

imap_num_msg

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

imap_num_msg — Gets the number of messages in the current mailbox

Description

imap_num_msg(IMAP\Connection $imap): int|false

Gets the number of messages in the current mailbox.

Parameters

imap: An IMAP\Connection instance.

Return Values

Return the number of messages in the current mailbox, as an integer, or false on error.

Changelog

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

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