Introduction of PHP: Hypertext Preprocessor

This section provides a quick introduction of PHP: Hypertext Preprocessor, which was originally created by Rasmus Lerdorf in 1995. PHP is now a widely-used general-purpose scripting language.

PHP: Hypertext Preprocessor is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.

PHP was originally created by Rasmus Lerdorf in 1995. But PHP main implementation is now maintained by "The PHP Group" and serves as the formal reference to the PHP language. The current version of PHP main implementation is PHP 5.4.0 released in March 2012.

The following diagram, from "An Introduction to PHP" by John Coggeshallm at, illustrates how PHP works as server-side scripting language:
PHP: Hypertext Preprocessor

Last update: 2012.

Table of Contents

 About This Book

 1957 - FORTRAN Language Developed by IBM

 1970 - UNIX Operating System Developed by AT&T Bell Labs

 1971 - FTP Protocol Created by Abhay Bhushan

 1972 - C Language Developed by Dennis Ritchie

 1976 - vi Text Editor Developed by Bill Joy

 1977 - Apple II Designed by Steve Jobs and Steve Wozniak

 1977 - The Bourne Shell Developed by Stephen Bourne

 1978 - The C Shell Developed by Bill Joy

 1978 - Bash (Bourne-Again Shell) Developed by Brian Fox

 1979 - The Tcsh (TENEX C Shell) Developed by Ken Greer

 1983 - "Sendmail" Mail Transfer Agent Developed by Eric Allman

 1984 - Macintosh Developed by Apple Inc.

 1984 - X Window System Developed a MIT Team

 1991 - WWW (World Wide Web) Developed by Tim Berners-Lee

 1991 - Gopher Protocol Created by a University of Minnesota Team

 1995 - Java Language Developed by Sun Microsystems

1995 - PHP: Hypertext Preprocessor Created by Rasmus Lerdorf

Introduction of PHP: Hypertext Preprocessor

 PHP Script Source Code File Format

 2002 - .NET Framework Developed by Microsoft


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