As you begin to develop webbased MultiValue applications using a browser as
the preferred user interface, one of the first changes in your thinking
process has to be how your application communicates with the user. Unlike a
traditional dedicated connection between user and server, web-based
applications must deal with an ongoing series of non-persistent connections.
How does your application know what you and the user were talking about a
minute or two ago? Using the built-in capabilities of PHP, this article
explores some of the issues of such session management.