How do I force files to open in the browser instead of downloading (PDF)?

Question

Is there a way to force PDF files to open in the browser when the option \"Display PDF in browser\" is unchecked?

I tried using the embed tag and an iframe, but it o

Answer 1

Here is another method of forcing a file to view in the browser in PHP:

$extension = pathinfo($file_name, PATHINFO_EXTENSION);
$url = 'uploads/'.$file_name;
        echo ''
                .header('Content-Type: application/'.$extension).'
'
                .header('Content-Disposition: inline; filename="'.$file_name.'"').'
'
                .''
                .''
            .''
            . '';