multiple subdomain site using a common function file


I m unable to get idea about my 1 issue.

I am going to make a site with multiple sub domains. but i want to keep 1 folder of class which can be accessed by other sub domain directories.


----Site 1

----Site 2

----Site 3

----Common Function Folder

any idea how to do this?

i think you should read this wiki :

      [url=""]yiiframework project struture[/url]