(PHP 4, PHP 5, PHP 7, PHP 8)
imap_uid — This function returns the UID for the given message sequence number
This function returns the UID for the given message sequence number. An UID is a unique identifier that will not change over time while a message sequence number may change whenever the content of the mailbox changes.
This function is the inverse of imap_msgno().
imap
An IMAP\Connection instance.
message_num
The message number.
The UID of the given message.
Version | Description |
---|---|
8.1.0 | The imap parameter expects an IMAP\Connection instance now; previously, a valid imap resource was expected. |
Note:
This function is not supported by POP3 mailboxes.