Introduction of PHP

According to official documents of PHP, which stands for PHP Hypertext Preprocessor. It is a form of language scripts that are placed in the server and processed on the server. It is the result that is sent to the client where the user using the browser.
In particular, PHP is designed to create dynamic web applications, meaning that it can form a view based on current demand. For example, you can display the contents of the database to web pages. PHP possessed in principle the same functions with scripts such as ASP (Active Server Pages), Cold Fusion, or Perl. However, note that PHP could have used the command line. This means that PHP scripts can be executed without involving wen server and browser.
PHP births started when Rasmus Lerdorf made a number of Perl scripts that anyone can observe to see a list of his memoirs that in 1994. Scripts are then packed into a tool called "Personal Home Page". These packages became the forerunner of PHP. In 1995, Rasmus create PHP / FI version 2. In this version of structured programming can paste the code in the HTML tags. Interestingly, the PHP code could also communicate with the database and perform complex calculations as you go along.
At present, PHP is quite popular as a tool of  web programming, especially in the linux environment. Nevertheless, the actual PHP can also serve on servers based on UNIX, Windows, and Machintosh.
Initially, PHP is designed to integrate with Apache web server. However, recent PHP can also work with a webserver like the PWS (Personal Web Server), IIS (Internet Information Server), and Xitami.
To try PHP, you do not need a sort of computer server. Only with regular computer, you can learn and practice PHP.