Modify php script

I need someone to modify a php script and add additional features to it. You should be able to work with procedural php code and produce good quality code(commented, secure and readable) Please see attached file for work details. This work may not take more than a max of 2 days for an expert coder. It all depends on your efficiency. However i can allow you 4-5 days to get this done if you're working on other projects as well. Work is ready to be allocated as soon as a bidder is finalized. Please begin your message with "read and agreed' when you bid.