(PHP 4, PHP 5, PHP 7)
Copy specified messages to a mailbox
bool imap_mail_copy ( resource $imap_stream, string $msglist, string $mailbox [, int $options = 0 ] )
Copies mail messages specified by msglist to specified mailbox.
Parameters:
imap_stream
An IMAP stream returned by imap_open().
msglist
msglist is a range not just message number