PHP是一种新型的CGI程序编写语言，易学易用，运行速度快，可以方便快捷地编写出功能强大，运行速度快，并可同时运行于 Windows、Unix、Linux平台的Web后台程序，内置了对文件上传、密码认证、Cookies操作、邮件收发、动态GIF生成等功能，PHP直接为很多数据库提供原本的连接，包括Oracle、Sybase、Postgres、Mysql、Informix、Dbase、Solid、Access等，完全支持ODBC接口，用户更换平台时，无需变换PHP代码，可即拿即用。

PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.