setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); $stmt = $pdo->prepare("INSERT INTO whatsapp_clicks (ip_address, user_agent, city) VALUES (?, ?, ?)"); $stmt->execute([$ip, $userAgent, $city]); echo json_encode(["status" => "success", "message" => "Click recorded."]); } catch (PDOException $e) { echo json_encode(["status" => "error", "message" => $e->getMessage()]); } ?>