I need the ability to download more than one large file at the same time from the same php page. Is there a php function, core or 3rd party, that allows this, or is there another way of doing it?

I have tried initiating the download outside of a session each time, I have tried initating the download in a popup window, in a new window, and on a new php page, and nothing works when the link originates from the same page. I have also...