Using Ajax with PHP and Sajax How the Simple Ajax Toolkit can integrate your server-side PHP with JavaScript

For years, the goal of creating a truly responsive Web application was hampered by one simple fact of Web development: To change the information on part of a page, a user must reload the entire page. Not anymore. Thanks to asynchronous JavaScript and XML (Ajax), we can now request new content from the server and change just part of a page. This tutorial explains how to use Ajax with PHP and introduces the Simple Ajax Toolkit (Sajax), a tool written in PHP that lets you integrate server-side PHP with JavaScript that makes this work.

Section 1. Before you start
This tutorial is for those interested in developing rich Web applications that dynamically update content using asynchronous JavaScript and XML (Ajax) with PHP, without having to refresh entire Web pages with each