If I do
$file='http://notmywebsite.com/verybigimage.png';
$newfile='test.png';
copy($file,$newfile);
will my server download http://notmywebsite.com/verybigimage.png
?
If yes, how can I make my user download http://notmywebsite.com/verybigimage.png
without that my server download it?