Get code from a deployed site

Giganews Newsgroups
Subject: Get code from a deployed site
Posted by:  c676228 (betty@newsgroup.nospam)
Date: Mon, 11 May 2009

Hi all,

If I have all codes on a web site(from a vendor, not officially delivered to
us yet) and I need to download them to my development environment, so
I want to be able to run and debug them. Is that possible?

I don't know how to do it and what are differences between development code
and deployed code.