Introduction to PHP

Introduction to PHP

PHP is the server-side scripting language.

PHP can do anything, PHP is mainly used for service-side scripting programs, so you can use PHP to do what any other CGI program can do, such as collecting form data, generating dynamic web pages, or sending/receiving cookies. But PHP's capabilities go far beyond that.

Originally an abbreviation for Theersonal Home Page, PHP has now been officially renamed "PHP: Hypertext Preprocessor."

The basics you should have

Before you move on, you need to have a basic understanding of the following:

• Html
• Css

If you would like to learn about these projects first, please visit these tutorials on our home page.

What is PHP?

• PHP stands for P HP: H ypertext P Reprocessor
• PHP is a widely used open source scripting language
• PhP scripts are executed on the server
• PHP is free to download and use

	PHP is easy for beginners to learn. PHP also provides many advanced features for professional programmers.

What is a PHP file?

• PHP files can contain text, HTML, JavaScript code, and PHP code
• PhP code is executed on the server and returns to the browser in HTML-only form
• The default file extension for PHP files is ".php"

What can PHP do?

• PHP can generate dynamic page content
• PHP can create, open, read, write, and close files on the server
• PHP can collect form data
• PHP can send and receive cookies
• PHP can add, delete, and modify data in your database
• PHP can restrict users from accessing some pages on your site
• PHP encrypts data

With PHP, you are no longer limited to output HTML. Y ou can output images, PDF files, and even Flash movies. You can also output any text, such as XHTML and XML.

In layman's terms, PHP can develop websites, apps, basically as a newman you can think of programs can be developed with php.

PHP does do anything, but its main application is to interact with the database to develop web applications, and mysql in the database is currently recognized and php compatible with the best, but also the most used combination.

Why PHP?

• PHP can run on different platforms (Windows, Linux, Unix, Mac OS X, etc.)
• PHP is compatible with almost all servers currently in use (Apache, IIS, etc.)
• PHP provides extensive database support
• PHP is free and can be downloaded from official PHP resources: www.php.net
• PHP is easy to learn and runs efficiently on the server side

Next, let's start by installing PHP and learn how PHP works!