(PHP 4, PHP 5, PHP 7)
imap_uid — This function returns the UID for the given message sequence number
imap_uid ( resource $imap_stream , int $msg_number ) : int
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_stream
An IMAP stream returned by imap_open().
msg_number
The message number.
The UID of the given message.
Note:
This function is not supported by POP3 mailboxes.
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.imap-uid.php