(3.0.3 - 3.0.18 only, PHP 4 >= 4.0.0)
imap_uid -- This function returns the UID for the given message sequence number
Description
int imap_uid (int imap_stream, int msgno)
This function returns the UID for the given message sequence number. An UID is an 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().
Note: This is not supported by POP3 mailboxes.
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