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Wat is PHP?

What is php?

PHP is a general-purpose scripting language geared toward web development. It was originally created by Danish-Canadian programmer Rasmus Lerdorf in 1994. The PHP reference implementation is now produced by The PHP Group. Wikipedia

What is PHP?

  • PHP is an acronym for "PHP: Hypertext Preprocessor"
  • PHP is a widely-used, open-source scripting language
  • PHP scripts are executed on the server
  • PHP is free to download and use
     

What is a PHP File?

PHP files can contain text, HTML, CSS, JavaScript, and PHP code
PHP code is executed on the server, and the result is returned to the browser as plain HTML
PHP files have the extension ".php"


What Can PHP Do?

  • PHP can generate the dynamic page content
  • PHP can create, open, read, write, delete, 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 be used to control user-access
  • PHP can encrypt data
  • With PHP you are not limited to outputting HTML. You can output images, PDF files, and even Flash movies. You can also output any text, such as XHTML and XML.

Why PHP?

  • PHP runs on various platforms (Windows, Linux, Unix, Mac OS X, etc.)
  • PHP is compatible with almost all servers used today (Apache, IIS, etc.)
  • PHP supports a wide range of databases
  • PHP is free. Download it from the official PHP resource: www.php.net
  • PHP is easy to learn and runs efficiently on the server side W3School