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                             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(). Return ValuesThe UID of the given message. Notes
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