问从C# (统一游戏引擎)用PHP将照片保存到服务器

EN

IEnumerator SendFile(byte[] imageData, string path)
    {

        WWWForm form = new WWWForm();
        string filename = Path.GetFileName(path);
        string filepathname = Data_Manager.steamID + "-" + Data_Manager.steamName + "-" + filename;


        form.AddBinaryData("userImage", imageData, filepathname, "image/png");
        form.AddField("steamID", Data_Manager.steamID);
        form.AddField("steamName", Data_Manager.steamName);

        using (UnityWebRequest www = UnityWebRequest.Post("http://www.roastpartygame.com/database/storeImage.php", form))
        {
            yield return www.SendWebRequest();

            if (www.isNetworkError || www.isHttpError)
            {
                Debug.Log(www.error);
            }
            else
            {
                // Print response
                Debug.Log(www.downloadHandler.text);
            }
        }
    }

        $fileName = $_FILES['userImage']['name']; 
        $target = 'images/'.$fileName;

        //$base64decodedString = base64_decode(urldecode($_FILES['userImage']));
        //file_put_contents($target, file_get_contents($_FILES['userImage']['name']));

        if (copy($_FILES['userImage']['tmp_name']), $target) echo 'MOVED FILE!';
        if (move_uploaded_file($_FILES['userImage']['tmp_name'], $target)) echo 'MOVED FILE!';

public void DirectImageFolder()
    {
        FileBrowser.SetFilters(true, new FileBrowser.Filter("Images", ".jpg", ".png"));
        FileBrowser.SetDefaultFilter(".jpg");
        FileBrowser.SetExcludedExtensions(".lnk", ".tmp", ".zip", ".rar", ".exe");

        FileBrowser.AddQuickLink("Users", "C:\\Users", null);
        //FileBrowser.ShowLoadDialog((path) => {
            // Check if photo selected

        //},
        //() => { Debug.Log("Canceled"); },
        //false, null, "Roast Party: Select Image", "Select");

        StartCoroutine(ShowLoadDialogCoroutine());
    }

    IEnumerator ShowLoadDialogCoroutine()
    {
        // Show a load file dialog and wait for a response from user
        // Load file/folder: file, Initial path: default (Documents), Title: "Load File", submit button text: "Load"
        yield return FileBrowser.WaitForLoadDialog(false, null, "Roast Party: Load Image", "Load Image");

        // Dialog is closed
        // Print whether a file is chosen (FileBrowser.Success)
        // and the path to the selected file (FileBrowser.Result) (null, if FileBrowser.Success is false)
        Debug.Log(FileBrowser.Success + " " + FileBrowser.Result);

        // upload image to server
        if (FileBrowser.Success)
        {
            // If a file was chosen, read its bytes via FileBrowserHelpers
            // Contrary to File.ReadAllBytes, this function works on Android 10+, as well
            byte[] bytes = FileBrowserHelpers.ReadBytesFromFile(FileBrowser.Result);

            //send the binary data to web server
            StartCoroutine(SendFile(bytes, FileBrowser.Result));
        }
    }