vectoring/switchyard php file

I seem to be getting closer to finding out how to make all requests for html,php,etc go through ONE particular file, and then do content management via that file and permissions. It involves 'mod_rewrite' in Apache. Whoa! What a learning curve for the module, though! So, before I start, I want to make sure it is what I want. Does anybody have experience in using 'mod_rewrite' and can answer this question? Does all the cookie, post, and get varibles plus all headers get preserved in a 'mod_rewrite' action? -- If You want to buy computer parts, see the reviews at: http://www.cnet.com/ **OR EVEN BETTER COMPILATIONS**!! http://sysopt.earthweb.com/userreviews/products/