imap_uid
imap_uid
(PHP 4, PHP 5, PHP 7)
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().