Export to Excel with a Save Dialog Box

I'm working for an PHP that would export the result of my query, and I also want to make a link or a button that will show a Save Dialog Box.

Please give me an idea on how to export the output of the result of my query and make a Save Dialog Box appear when exporting the output

This question has been asked and answered many times here. Try searching the coding forum for 'excel download'. I found this, for example: