Using Ajax with PHP and Sajax

Using Ajax with PHP and Sajax How the Simple Ajax Toolkit can integrate your server-side PHP with JavaScript Skill Level: Intermediate Tyler Anderson (tyleranderson5@yahoo.com) Freelance Writer Stexar Corp. 18 Oct 2005 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 user click. This tutorial assumes basic PHP concepts, including the use of if and switch statements, and functions. About this tutorial You will learn about Ajax, as well as issues surrounding its usage. You will also build an Ajax application in PHP that will display panels of a section of a previously written tutorial. Clicking on a panel link will reload only the content section and replace it with the content of the selected panel, saving bandwidth and time loading the page. Then you will integrate the Simple Ajax Toolkit (Sajax) into your Ajax application, which will synchronize the use of Ajax, simplifying development. Using Ajax with PHP and Sajax © Copyright IBM Corporation 1994, 2006. All rights reserved. Page 1 of 20 Prerequisites The following tools are needed to follow along: Web server Pick any Web server and operating system. Feel free to use Apache 2.X or the IBM HTTP Server. PHP You can follow along without PHP, but if you are interested in interacting with the sample application download PHP V5. Sajax You will need Sajax. This is a single-file library of PHP functions used in...

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