Connecting Macromedia Flash and PHP
http://www.macromedia.com/devnet/mx/flash/articles/amfphp.html

Hall, Robert M.
Adobe
2004

Abstract:

Many web developers rely heavily on a popular combination of open source software to develop and deploy their websites and applications. This combination is often known as LAMP—an acronym for Linux, Apache, MySQL, and PHP. In this article, you will use a LAMP environment to create a PHP-based Rich Internet Application.