Published On: Sun, Jan 6th, 2013

Some unknown facts about PHP

PHP: Hypertext Preprocessor is a widely used, general-purpose scripting language that was originally designed for web development to produce dynamic pages. For this purpose, PHP code is embedded into the HTML source document and interpreted by a Web server with a PHP processor module, which generates the web page document. As a general-purpose programming language, PHP code is processed by an interpreter application in command line mode performing desired operating system operations and producing program output on its standard output channel. It may also function as a graphical application. PHP is available as a processor for most modern web servers and as standalone interpreter on most operating system and computing platforms.

PHP was originally created by Resmus Lerdorf 1995 and has been in continuous development ever since. The main implementation of PHP is now produced by The PHP Group and serves as the de facto standard for PHP as there is no formal specification.PHP is free software released under the PHP Licence,which is incompatible with the GNU General Public Licence (GPL) because restrictions exist regarding the use of the term PHP

What You Should Already Know

Before you continue you should have a basic understanding of the following:

HTML / XHTML

Some scripting knowledge

What is PHP?

PHP stands for PHP: Hypertext Preprocessor

PHP is a server-side scripting language, like ASP

PHP scripts are executed on the server

PHP supports many databases (MySQL, Informix, Oracle, Sybase, Solid, PostgreSQL, Generic ODBC, etc.)

PHP is an open source software (OSS)

PHP is free to download and use

What is a PHP File?

PHP files may contain text, HTML tags and scripts

PHP files are returned to the browser as plain HTML

PHP files have a file extension of “.php”, “.php3”, or “.phtml”

What is MySQL?

MySQL is a database server

MySQL is ideal for both small and large applications

MySQL supports standard SQL

MySQL compiles on a number of platforms

MySQL is free to download and use

PHP + MySQL

PHP combined with MySQL are cross-platform (means that you can develop in Windows and serve on a Unix platform)

Why PHP?

PHP runs on different platforms (Windows, Linux, Unix, etc.)

PHP is compatible with almost all servers used today (Apache, IIS, etc.)

PHP is easy to learn and runs efficiently on the server side

Where to Start?

Install an Apache server on a Windows or Linux machine

Install PHP on a Windows or Linux machine

Install MySQL on a Windows or Linux machine

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