prepare($sql); $stmt->execute([ ':deviceNumber' => $deviceNumber, ':name' => $name, ':password' => $hashedPassword, ':role' => $role ]); if ($stmt->rowCount() > 0) { jsonSuccess("Admin user data saved successfully"); } else { jsonError("Failed to save admin user data"); } } catch (Exception $e) { error_log("[Admin Add Error] " . $e->getMessage()); jsonError("Database error: " . $e->getMessage()); } ?>