(PHP 4, PHP 5)
imap_mail_copy — Copy specified messages to a mailbox
Copies mail messages specified by msglist to specified mailbox.
An IMAP stream returned by imap_open().
msglist is a range not just message numbers (as described in » RFC2060).
The mailbox name, see imap_open() for more information
options is a bitmask of one or more of
如果成功则返回 TRUE,失败则返回 FALSE。