using PHP to remove the extension from a file and then downloading it

Question

I recently had a asked a question very similar to this one, however after evaluating that I did not explain it in the best way I have come back once again explaining it in a gre

Answer 1

Okay so to remove an extention from a file you could do is

$withoutExtion = preg_replace('/\\.[^.\\s]{3,4}$/', '', $youfilename);

...followed by your file download code