Class Efficiency?

Hi,

I am the webmaster of Undergrounds.com and in the process of re-vamping the site.

As I add new components I am going to split them up into classes etc, and my question is:

Is it more efficient to use classes rather than just include snippets of code?

Also, how should I include the class files? I will declare all my classes in one file and include that in the header. Is that the most efficient way of doing it? Or should I split the classes into different includes?

Any help would be appreciated.

Thank you. http://www.undergrounds.com

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