How to force a Save As dialog when streaming a PDF attachment

Question

I am using the following code to stream a pdf to the browser:

header(\"Cache-Control: must-revalidate, post-check=0, pre-check=0\"); 
header(\"Pragma: public         


        

Answer 1

They most likely have Ask where to save each file before downloading unchecked (Advanced Settings). If this is the case, there's nothing you can do as this is their preference.