Description
bool
imap_undelete ( resource imap_stream, int msg_number [, int flags] )
This function removes the deletion flag for a specified message,
which is set by imap_delete() or
imap_mail_move().
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
See also:
imap_delete(), and
imap_mail_move().