code generation

is there a way to limit the time a website is available in php?, if you want to have a database driven website but you would only like it to be active for 6 months for instance, i'm doing a project at univirsity and this is part of the specs, but i cant think of a good way how to do it... -------------------------------------------------------------------- Disclaimer This e-mail transmission contains confidential information, which is the property of the sender. The information in this e-mail or attachments thereto is intended for the attention and use only of the addressee. Should you have received this e-mail in error, please delete and destroy it and any attachments thereto immediately. Under no circumstances will the Cape Peninsula University of Technology or the sender of this e-mail be liable to any party for any direct, indirect, special or other consequential damages for any use of this e-mail. For the detailed e-mail disclaimer please refer to http://www.ctech.ac.za/polic or call +27 (0)21 460 3911