An example of uploading file from Swift / Alamofire to PHP

Thomas Mak wrote at 2019-04-27.

#ios #php

https://gist.github.com/makzan/0e848de36a6c09ac8fb43cf39801f696

upload.php:

<!DOCTYPE html>
<html>
<head>
  <title>Upload your files</title>
</head>
<body>
  <form enctype="multipart/form-data" action="upload.php" method="POST">
    <p>Upload your file</p>
    <input type="file" name="uploaded_file"></input><br />
    <input type="submit" value="Upload"></input>
  </form>
</body>
</html>
<?PHP
  if(!empty($_FILES['uploaded_file']))
  {
    $path = "uploads/";
    $path = $path . basename( $_FILES['uploaded_file']['name']);
    if(move_uploaded_file($_FILES['uploaded_file']['tmp_name'], $path)) {
      echo "The file ".  basename( $_FILES['uploaded_file']['name']).
      " has been uploaded";
    } else{
        echo "There was an error uploading the file, please try again!";
    }
  }
?>

Swift:

//
//  ViewController.swift
//  Upload Image Example
//
import UIKit
import Alamofire

class ViewController: UIViewController, UIImagePickerControllerDelegate, UINavigationControllerDelegate {

    @IBOutlet weak var imageView: UIImageView!

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view.

        let picker = UIImagePickerController()
        picker.delegate = self
        picker.sourceType = .photoLibrary
        present(picker, animated: true, completion: nil)
    }

    func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
        dismiss(animated: true, completion: nil)

        imageView.image = info[.originalImage] as? UIImage

        let imageData = (imageView.image?.jpegData(compressionQuality: 0.8))!

        // https://stackoverflow.com/a/40521003

        Alamofire.upload(multipartFormData: { (multipartFormData) in
            multipartFormData.append(imageData, withName: "uploaded_file", fileName: "test.jpg", mimeType: "image/jpg")
        }, to: "https://mz-main-makzan.c9.io/php-upload-demo/upload.php") { (result) in
            switch result {
            case .success(let upload, _, _):
                upload.uploadProgress(closure: { (progress) in
                    print("Upload Progress: \(progress.fractionCompleted)")
                })

                upload.responseJSON { response in
                    print("Success")
                    print(response.result.value)
                }

            case .failure(let encodingError):
                print("Error")
                print(encodingError)
            }
        }
    }
}

Result:

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