query($sql); if (!$result) { http_response_code(500); echo json_encode(['status' => 'error', 'message' => 'Query gagal: ' . $conn->error]); $conn->close(); exit; } $data = []; while ($row = $result->fetch_assoc()) { $row['latitude'] = (float)$row['latitude']; $row['longitude'] = (float)$row['longitude']; $data[] = $row; } echo json_encode($data); $conn->close(); ?>