imap_undelete
(PHP 3, PHP 4 )
imap_undelete --
Unmark the message which is marked deleted
Description
bool
imap_undelete ( resource imap_stream, int msg_number)
This function removes the deletion flag for a specified message,
which is set by imap_delete() or
imap_mail_move().
如果成功则返回 TRUE,失败则返回 FALSE。