imap_uid
imap_uid
This function returns the UID for the given message sequence number
**imap_uid** IMAP\Connection $imap int $message_num
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
message_numThe message number.
The UID of the given message.
Opmerking: > This function is not supported by POP3 mailboxes.
imap_msgno