Evaluation of PHP Programming

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Definition of PHP

The PHP Stands for Hypertext Pre-processor. PHP is a programming language that allows web developers to create dynamic content that interacts with databases.

PHP is basically used for developing web based software applications. PHP is probably the most popular scripting language on the web. It is used to enhance web pages.

PHP is known as server-sided language. That is because the PHP dosen't get executed on the client's computer, but on the computer the user had requested the page from. The results are then handed over to client, and then displayed in the browser.

Evaluation of PHP

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 are executed on the server, and the result is returned to the browser as plain HTML
  • PHP files have extension “.php”

What Can PHP Do?

  • PHP can generate 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, modify data in your database
  • PHP can be used to control user-access
  • PHP can encrypt data

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.

Example:

Result:

  This is a $string with my $name in it.
  This is a cup with my coffee in it.
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