PHP script to unzip, move and copy files

Someone to write a PHP script that will: 1. scan a specific directory on my server for newly uploaded ZIP archives once a day 2. unzip any ZIP archives found to a subdirectory created by the script 3. automatically move, copy and rename parts of the unzipped contents to various directories on the server, according to predefined rules 4. automatically copy some html files from a standard location to some of the subdirectories created by the script 4. send a notification by email to admin that a ZIP archive has been processed successfully 5. display the list of new and processed ZIP archives and their success/failed processing in a simple password protected webpage In your bid please state the number of hours you think this will take.