Introduction to PHP

A PHP file may contain text, HTML tags and scripts. Scripts in a PHP file are executed on the server.

What you should already know
Before you continue you should have some basic understanding of the following:
- WWW, HTML and the basics of building Web pages
- Some scripting knowledge

What is PHP?
- PHP stands for PHP: Hypertext Preprocessor
- PHP is a server-side scripting language, like ASP
- PHP scripts are executed on the server
- PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL,
Generic ODBC, etc.)
- PHP is an open source software (OSS)
- PHP is free to download and use

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