GetValue Unity

[Serializable]
    public class Player
    {
        public string username;
        public string email;
        public string uid;

        public string game_data_json0;
        public string game_data_json1;
        public string game_data_json2;
        public string game_data_json3;
    }
// Get cookies using GetCookie Jslib
public string UID = "pirUJjkkId"; // Example
public Player player;

public IEnumerator GetScore()
    {
        WWWForm form = new WWWForm ();
        player = new Player();

        player.uid = UID;
        string json = JsonUtility.ToJson (player, true);
        form.AddField ("arrayData", json);
// CHANGE
        WWW www = new WWW ("http://example-name.com/db-unity/GetValue.php", form);
        yield return www;
        if (www.error != null) {
            Debug.Log ("Error: " + www.error);
            yield break;
        } else {
            player = JsonUtility.FromJson<Player>(www.text);

            Debug.Log (player.uid);
            Debug.Log (player.username);
            Debug.Log (player.email);

            Debug.Log (player.game_data_json0);
            Debug.Log (player.game_data_json1);
            Debug.Log (player.game_data_json2);
            Debug.Log (player.game_data_json3);
        }
    }