Adhering to standard object-oriented techniques, as well as explicitly adopting a backward-chaining problem-solving approach, makes implementing some of the more basic statistical procedures using PHP relatively straightforward.

• 坚持标准的面向对象技术,以及明确地采用逆向链接问题解决方法,就可以相对方便地使用PHP实现某些较为基本的统计过程。