안녕들 하세요..
제가..아직 초보라...
에러가 났는데...무슨 에러인지 몰르겠네요..

Warning: setcookie() expects parameter 3 to be long, string given in /webhost2/i-gc/gcarts/www/way-board/lib/misc.php on line 778
Warning: setcookie() expects parameter 3 to be long, string given in /webhost2/i-gc/gcarts/www/way-board/lib/misc.php on line 779

이런에러가 났는데....
잘모르겠습니다..

소스는.. 에러부분
if ($result[0]) { // 인증 성공
                        // 쿠키 저장
                        if ($m_id_b != $m_id || $m_pass_b != $m_pass) {
                                // ID, Pass [기억하기] 설정시 30일간 쿠키 저장
                                if ($user_remember) { $expire = time() + (86400 * 30); }
                                else { $expire = ""; }
                                setcookie("m_id", $m_id, $expire);
                                setcookie("m_pass", $m_pass, $expire);
                        }
                        if ($mode == 1) { return; }
                        elseif ($mode == 2) { return array(TRUE, 0); }
                }