网站开发中PHP语言优缺点
PHP语言优缺点之PHP的优点：
1. 跨平台，性能优越，跟Linux/Unix结合别跟Windows结合性能强45%，并且和很多免费的平台结合非常省钱，比如LAMP(Linux/Apache/Mysql/PHP)或者FAMP(FreeBSD/Apache/Mysql/PHP)结合，或者数据应用够大可以考虑换PostgreSQL或者Oracle，支持N种数据库。（N >= 10）
2. 语法简单，如果有学习C和Perl的很容易上手，并且跟ASP有部分类似。有成熟的开发工具，比如NuPHPed，或者Zend Studio等等，再Linux平台下可以使用Eclipse等等。
3. 目前主流技术都支持，比如WebService、Ajax、XML等等，足够应用。
4. 有比较完整的支持，比如使用ADODB或者PEAR::DB做数据库抽象层，用Smarty或者smart template做模板层，如果是PHP 5.1的话，还能够使用PDO（PHP Data Object）来访问数据库。
5. 有很多成熟的框架，比如支持MVC的框架：phpMVC，支持类似ASP.net的事件驱动的框架：Prado，支持类似Ruby On Rails的快速开发的框架：Cake等等，足够满足你的应用需求。
6. PHP 5已经有成熟的面向对象体系，能够适应基本的面向对象要求。适合开发大型项目。
7. 有成熟的社区来支持PHP的开发，比如国内的CSDN，喜悦国际村等等。
8. 目前已经很多大型应用都是使用PHP，比如淘宝网、Yahoo、163、Sina等等大型门户，很多选用PHP来作为他们的开发语言，所以大型门户都能够选用它，我想足够能够你的使用了。
PHP语言优缺点之PHP的缺点：
1. 代码重用率有待提高，当然，这个跟面向对象有关系。其实PHP 5已经比较适意了。
2. PHP程序员较少
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