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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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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MAJOR COMPONENTS OF A DIGITAL COMPUTER
The major components of a digital computer are: CPU (central processing unit), memory, input device and output device. The input and output devices are also known as peripherals.
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