imap_msgno

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

imap_msgno — Gets the message sequence number for the given UID

function 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().

Returns the message sequence number for the given message_uid.

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