(PHP 4, PHP 5, PHP 7, PHP 8)
imap_mail_move — Move specified messages to a mailbox
   Moves mail messages specified by message_nums to the
   specified mailbox.
   Note that the mail messages are actually copied to the
   mailbox, and the original messages are flagged for deletion.
   That implies that the messages in mailbox are assigned new UIDs.
  
imapAn IMAP\Connection instance.
message_nums
       message_nums is a range not just message numbers
       (as described in » RFC2060).
      
mailboxThe mailbox name, see imap_open() for more information
Passing untrusted data to this parameter is insecure, unless imap.enable_insecure_rsh is disabled.
flags
       flags is a bitmask and may contain the single option:
       
CP_UID - the sequence numbers contain UIDS
         
        | Version | Description | 
|---|---|
| 8.1.0 | The imapparameter expects an IMAP\Connection
  instance now; previously, a validimapresource was expected. | 
Note:
imap_mail_move() will flag the original mail with a delete flag, to successfully delete it a call to the imap_expunge() function must be made.