How to list files and their parent folders in php on IIS server?

Question

I'm working on a site that has a downloads section and I want it to be so that I can simply drop a file in a subfolder of a bin_docs directory and have it linked and listed automatically by the server on page refresh.

I see people using a combination of php and .htaccess rules to accomplish this, however the site will be hosted on an IIS server. Is there a viable, secure alternative for IIS using php that can accomplish this?

Also, I'd like to have the parent folders of the files listed as '< h2 >' headers to give a sense of hierarchy on the page. Is this possible?

Thanks!