Cross-Section Articles
Introduction to PHP
PHP is a simple yet powerful language designed for creating HTML content. This chapter covers essential background on the PHP language. It describes the nature and history of PHP; which platforms it runs on; and how to download, install, and configure it. This chapter ends by showing you PHP in action, with a quick walkthrough of several PHP programs that illustrate common tasks, such as processing form data, interacting with a database, and creating graphics.
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What Does PHP Do?
PHP can be used in three primary ways: Server-side scripting, Command-line scripting, Client-side GUI applications.
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A Brief History of PHP
Rasmus Lerdorf first conceived of PHP in 1994, but the PHP that people use today is quite different from the initial version. To understand how PHP got where it is today, it is useful to know the historical evolution of the language. Here's that story, as told by Rasmus.
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Installing PHP
PHP is available for many operating systems and platforms. The most common setup, however, is to use PHP as a module for the Apache web server on a Unix machine. This section briefly describes how to install Apache with PHP. If you're interested in running PHP on Windows operating system.
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