simple PHP script: YOUTUBE URL is provided and .flv link is returned

The script is given a YT address, for example: [login to view URL] and it must return the downloadable .flv link of the video Regards ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer 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 employer on the site per the worker's Worker Legal Agreement). ## Platform php