php interface creation

I want to store customer, categories and sub categories information into database. For this I need interface in php. These interfaces must be mobile viewable. I need to be able to create, delete and edit customer info I have a list of categories and sub categories that will be use for each customer; I also need to be able to add more categories and sub categories if I need it. The page will have not design, I need a white background but I need to be able to upload images for each category and sub categories ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the worker's Worker Legal Agreement). ## Platform linux and php 4.x