PHP: Force the browser to download the text in file

PHP: Force the browser to download the text in file

1. $text_in_file = 'Put some text here';
2.  
3. if (isset($_SERVER['HTTP_USER_AGENT']) and strpos($_SERVER['HTTP_USER_AGENT'], 'MSIE'))
4. Header('Content-Type: application/force-download');
5. else
6. Header('Content-Type: application/octet-stream');
7.  
8. Header('Accept-Ranges: bytes');
9. Header('Content-Length: ' . strlen($text_in_file)); // text to file
10. Header('Content-disposition: attachment; filename="downloaded_filename.txt"');
11.  
12. echo $text_in_file;
13. exit();