$oldtime"); if(mysql_num_rows($query) == 1) { $info = mysql_fetch_array($query); return $info[userid]; } return 0; } function logout() { $sessionid = $_COOKIE[test_account]; @setcookie ("test_account",'', time()-99999, '/', ''); mysql_query("DELETE FROM user_sessions WHERE sessionid='$sessionid'"); } if($_POST[username] !='' || $_POST[password] != '') { $login_status = login($_POST[username], $_POST[password]); } else if($_GET[logout]) { logout(); } $userid = status(); if($userid > 0) { echo "Welcome to our site, user #$userid (Click here to logout)"; } else { if($login_status != '' $login_status == 0) { echo "Invalid username/password combo.
"; } ?>