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PHP Hypertext Preprocessor


PHP stands for PHP: Hypertext Preprocessor, a recursive acronym. It is mainly a Web server side scripting language. But it can also be used for other purposes.

PHP was originally created by Rasmus Lerdorf in 1995 as a simple Web page generation tool named as
PHP/FI (Personal Home Page/Forms Interpreter). Today it becomes the number one of server side scripting languages.Here is a comparison of number of matches on Google for key words: "PHP script", "Perl script", and "ASP script":

Main features of PHP:

• Cookies - PHP transparently supports HTTP cookies.
  


• Sessions - PHP supports sessions to allow you to preserve certain data across subsequent accesses.
  


• Connection handling - PHP maintains a connection in 3 possible states: NORMAL, ABORTED, and TIMEOUT.
  


• Using remote files - PHP allows you to open remote files with Internet protocols like HTTP or FTP.
  


• Persistent Database Connections - PHP supports persistent connections to database servers.
  


• File uploads - PHP allows Web users to upload single or multiple files.
  


• Safe mode - PHP supports a safe mode with many built-in functions restricted or disabled.
  


• Command line - PHP supports many command line options.