imap_uid
(PHP 4, PHP 5, PHP 7, PHP 8)
imap_uid — This function returns the UID for the given message sequence number
Description
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().
Return Values
The UID of the given message.
Changelog
| Version | Description |
|---|---|
| 8.1.0 |
The imap parameter expects an IMAP\Connection
instance now; previously, a resource was expected.
|
Notes
Note:
This function is not supported by POP3 mailboxes.
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