This function returns the UID for the given message sequence number imap_timeout imap_undelete IMAP Functions PHP Manual imap_uid (PHP 4, PHP 5)imap_uid — This function returns the UID for the given message sequence number Description int imap_uid ( resource $imap_stream , int $msg_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(). Parameters imap_stream An IMAP stream returned by imap_open(). msg_number The message number. Return Values The UID of the given message. Notes Note: This function is not supported by POP3 mailboxes. See Also imap_msgno() imap_timeout imap_undelete IMAP Functions PHP Manual
