PHP-PHP简介

PHP is a popular general-purpose scripting language that is especially suited to web development.

Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

PHP（“PHP: Hypertext Preprocessor”，超文本预处理器的字母缩写）是一种被广泛应用的开放源代码的多用途脚本语言，它可嵌入到 HTML中，尤其适合 web 开发。

参考：

http://php.net/docs.php

http://baike.baidu.com/subview/99/5828265.htm