prepare("SELECT id, registered, token, enabled FROM app_users WHERE registered=? AND token=? AND enabled=?"); $query0->bind_param("ssi", $registereduser, $retrieved, $enabled); $query0->execute(); $fetchdata = $query0->get_result()->fetch_assoc(); if (!$fetchdata) { $query0->close(); exit("Error !"); } else { $ID = $fetchdata['id']; $query1 = $mysqli->query("UPDATE app_users SET registered = '1', token = '' WHERE id = '$ID'"); header("Location: registration-success.php"); } } ?>