PHP MySQL - Export Results in Excel format

I have report written that displays the result set directly on the page, but it's missing an export function. I simply want to take the current report and allow all of the results to be exported to an excel formatted CSV file. Here is a screenshot of the existing data displayed on the report page; [login to view URL] This is not a large project, please bid accordingly. It's a simple project to add functionality to an existing script.