PHP scripts are executed on the server.
What you ought to Already Know
Before you continue you ought to have a basic understanding of the following:
- HTML
- CSS
- JavaScript
- If you would like to review these subjects first.
What is PHP?
- PHP is an acronym for "PHP: Hypertext Preprocessor"
- PHP may be a widely-used, open-source scripting language
- PHP scripts are executed on the server
- PHP is liberal to download and use
- PHP is a tremendous and popular language!
It is powerful enough to be at the core of the most important blogging system on the online (WordPress)!
It is deep enough to run the most important social network (Facebook)!
It is also easy enough to be a beginner's first server-side language!
What is a PHP File?
- PHP files can contain text, HTML, CSS, JavaScript, and PHP code
- PHP code is executed on the server, and therefore the result's returned to the browser as plain HTML
- PHP files have extension ".php"
What Can PHP Do?
- PHP can generate the dynamic page content
- PHP can create, open, read, write, delete, and shut files on the server
- PHP can collect form data
- PHP can send and receive cookies
- PHP can add, delete, modify data in your database
- PHP is often wont to control user-access
- PHP can encrypt data
- With PHP you're not limited to output HTML. you'll output images, PDF files, and even Flash movies. you'll also output any text, like XHTML and XML.
Why PHP?
- PHP runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.)
- PHP is compatible with most servers used today (Apache, IIS, etc.)
- PHP supports a good range of databases
- PHP is free. Download it from the official PHP resource: www.php.net
- PHP is straightforward to find out and runs efficiently on the server-side