Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail
From: "J.O. Aho" <user@example.net>
Newsgroups: comp.lang.php
Subject: Re: Downloading strangeness: downloaded file has no content
Date: Sat, 1 Oct 2022 18:47:31 +0200
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On 01/10/2022 16.50, Tim Streater wrote:
> For those requesting that a file be downloaded from my website, having
> selected a file (a .zip or a .dmg), the following is then executed:
> 
> <font color="#000000">header('Content-Description: File Transfer');</font>
> header('Content-Type: application/octet-stream');
> header('Content-Disposition: attachment; filename="' . basename ($file) .
> '"');
> header('Content-Transfer-Encoding: binary');
> header('Expires: 0');
> header('Cache-Control: no-cache, must-revalidate, post-check=0, pre-check=0');
> header('Pragma: public');
> header('Content-Length: ' . filesize ($file));
> 
> ob_clean ();
> flush ();
> readfile ($file);
> 
> 
> For most of the files to be downloaded, this works just fine. But for one of
> them, the downloaded file has zero content at the receiver's end: it is zero
> bytes long. 

It could be a missing
header('Content-Description: File Transfer');

or it could be the html in the beginning of the page that causes the 
browser to think the file data is part of the web page.


> Any suggestions as to why this might be?

If you are just doing what you paste here, I would suggest a direct link 
to the file instead.

-- 

  //Aho