note 81299 added to function.header

I am using the following headers but they do not allways work in Firefox, a lot of users are just getting a blank page. I have seen the note about removing white spaces but I am not ouputting anyhthing to the page. I am linking to the php file from an html link and the php file contains this header info, most broswers just downlaod the file staright from the link, but not Firefox. //Begin writing headers header("Pragma: no-cache"); header("Cache-Control: no-cache, must-revalidate"); header("Expires: Mon, 26 Jul 1997 05:00:00 GMT"); header("Content-Description: File Transfer"); //Use the switch-generated Content-Type header("Content-Type: $ctype"); //Force the download $header="Content-Disposition: attachment; filename=".$filename.";"; header($header); header("Content-Transfer-Encoding: binary"); header("Content-Length: ".$len); @readfile($file); // exit; ---- Server IP: 83.170.119.58 Probable Submitter: 91.106.147.189 ---- Manual Page -- http://www.php.net/manual/en/function.header.php Edit -- https://master.php.net/note/edit/81299 Del: integrated -- https://master.php.net/note/delete/81299/integrated Del: useless -- https://master.php.net/note/delete/81299/useless Del: bad code -- https://master.php.net/note/delete/81299/bad+code Del: spam -- https://master.php.net/note/delete/81299/spam Del: non-english -- https://master.php.net/note/delete/81299/non-english Del: in docs -- https://master.php.net/note/delete/81299/in+docs Del: other reasons-- https://master.php.net/note/delete/81299 Reject -- https://master.php.net/note/reject/81299 Search -- https://master.php.net/manage/user-notes.php