<?php
    require 'database/connect.php';
    global $connect;
    date_default_timezone_set('Etc/UTC');
    require 'PHPMailer-master2/PHPMailerAutoload.php';

    if ( isset($_POST['data1']) && isset($_POST['data2']))
    {
        $data1 = $_POST['data1'];
        $data2 = $_POST['data2'];

        $sql        = "SELECT * FROM table WHERE data1 = '$data1' AND data2='$data2'";
        $result     = mysqli_query($connect, $sql);
        if ($result && mysqli_num_rows($result) > 0)
        {
            while ($row = mysqli_fetch_array($result)){
            }

            $output = array('message' => '1');
            echo json_encode($output);
            $add = "INSERT INTO table (data1, data2)
                               VALUES ('$data1','$data2')
            ";
            $run = mysqli_query($connect,$add);
            $mail = new PHPMailer;
            $mail->isSMTP();
            $mail->Host = 'smtp.gmail.com';
            $mail->SMTPAuth = true;
            $mail->Username = 'gmail.com';
            $mail->Password = '******';
            $mail->SMTPSecure = 'tls';
            $mail->Port = 587;
            $mail->setFrom('sender@mail.com', 'sender');
            $mail->addAddress('receiver@mail.com','receiver');
            $mail->isHTML(true);
            $mail->Subject = 'Test';
            $mail->Body    = 'Test';
            $mail->AltBody = 'Test';
            if(!$mail->send())
            {
                    echo 'Message could not be sent.';
                    echo 'Mailer Error: ' . $mail->ErrorInfo;
            }
            else
            {
                    echo 'Message has been sent';
            }
            // End sending email
            exit();

        mysqli_free_result($result);
        }
        else {}
    }
?>

@IBAction func postData(_ sender: Any) {
            let url             = URL(string: "http://localhost/send.php")
            let session         = URLSession.shared
            let request         = NSMutableURLRequest(url: url! as URL)
            request.httpMethod  = "POST"
            let valueToSend     = "data1=&data2"
            request.httpBody    = valueToSend.data(using: String.Encoding.utf8)
            let myAlert         = UIAlertController(title: "Title", message: "Sure ?", preferredStyle: UIAlertControllerStyle.alert)
            let cancel          = UIAlertAction(title: "Cancel", style: UIAlertActionStyle.default, handler: nil)
            let okaction        = UIAlertAction(title: "Yes", style: UIAlertActionStyle.default, handler:
                {
                    action in

            let task = session.dataTask(with: request as URLRequest, completionHandler: {
                (data, response, error) in
                if error != nil { return }
                else {
                    do {
                        if let json = try JSONSerialization.jsonObject(with: data!) as? [String: String]
                        {
                            DispatchQueue.main.async {
                                let message = Int(json["message"]!)
                                if(message == 1){
                                    let myViewController:ViewController = self.storyboard!.instantiateViewController(withIdentifier: "ViewController") as! ViewController
                                    let appDelegate = UIApplication.shared.delegate as! AppDelegate
                                    let navigationController = UINavigationController.init(rootViewController: myViewController)
                                    appDelegate.window?.rootViewController = navigationController
                                    appDelegate.window?.makeKeyAndVisible()

                                    let myAlert = UIAlertController(title: "Success !", message: "Sent !", preferredStyle: UIAlertControllerStyle.alert)
                                    myAlert.addAction(UIAlertAction(title: "Okay", style: UIAlertActionStyle.default, handler: nil))
                                    navigationController.present(myAlert, animated: true, completion: nil)
                                    return
                                }
                                else { return }
                            }
                        }
                    }
                    catch let parseError {
                        print("Parse error: (parseError.localizedDescription)")
                    }
                }
            })
            task.resume()
            }
            )
            myAlert.addAction(okaction)
            myAlert.addAction(cancel)
            self.present(myAlert, animated: true, completion: nil)
        }
}