Questions related to replying to a reply

Questions about replying to a reply
Title, want to achieve is, reply to comments, click Reply, Reply to the box at the beginning of the reply xxx: This form, and then enter the reply content, submit, only save their own filled in the content into the database. How does this come true? And it is best to reply to XXX: This section of users can not modify themselves.

Share to:

------Solution--------------------
Record a reply to which you answer the ID of the line, then the page directly through the ID to locate you are the reply to the reply.
------Solution--------------------
1, the deletion of quote, it means that is not a reference. Isn't it permissible? Can't I just copy your section as your own?
2, I have not already said, there is a hidden field record reference source, you can fill it up

