= DATE(NOW()) - INTERVAL 6 DAY GROUP BY DATE(r.created_at) ORDER BY DATE(r.created_at) ASC "; $stmt = $con->prepare($sql); $stmt->bindParam(':driver_id', $driver_id, PDO::PARAM_INT); $stmt->execute(); if ($stmt->rowCount() > 0) { $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); jsonSuccess($rows); } else { // Return empty array instead of error so the app doesn't crash jsonSuccess([]); } ?>