prepare("UPDATE locations SET latitude = ?, longitude = ? WHERE id = ?"); $stmt->bind_param("ddi", $lat, $lng, $id); if ($stmt->execute()) { echo json_encode(['status' => 'success', 'message' => 'Lokasi diperbarui']); } else { echo json_encode(['status' => 'error', 'message' => $stmt->error]); } $stmt->close(); } $conn->close(); ?>