PHP概述

PHP概述(中文4300字,英文3200字)
PHP是一种脚本语言，最初用于生产动态网页设计。它已发展到包括一个命令行界面的能力，可以在独立的图形应用程序中使用。
虽然PHP最初由Rasmus Lerdorf创建于1995年，PHP的主要执行现所产生的PHP集团和PHP的事实上的标准服务，因为没有正式的规范。 PHP是PHP的免费软件许可证下发布的，但它是用GNU通用公共许可证（GPL），由于对长期PHP的使用限制不相容的。
PHP是一种广泛使用的通用目的脚本语言，特别适合于Web开发，可嵌入到HTML中。它通常运行在Web服务器上，以它的输入PHP代码和创建作为输出的网页。它可以部署在大多数网络服务器和几乎所有的操作系统和平台免费的。

PHP is a scripting language originally designed for producing dynamic web pages. It has evolved to include a command line interface capability and can be used in standalone graphical applications.
While PHP was originally created by Rasmus Lerdorf in 1995, 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 License, however it is incompatible with the GNU General Public License (GPL), due to restrictions on the usage of the term PHP.

PHP is a widely-used general-purpose scripting language that is especially suited for web development and can be embedded into HTML. It generally runs on a web server, taking PHP code as its input and creating web pages as output. It can be million websites and 1 million web servers. [来源：http://Doc163.com]