readfile() reads 8k blocks at a time and dumps them out. It does not read
the entire thing into ram, so that wouldn't be what was causing you to hit
a memory limit. You must have done something else wrong then.
-Rasmus
On Fri, 4 Oct 2002, christian haines wrote:
> thanks rasmus,
>
> i have tried read file but it gave me the same issues as fpassthru.. both cap
> on the memory_limit directive withint the php.ini file
>
> any other suggestions maybe?
>
> cheers
> christian
>
> Rasmus Lerdorf wrote:
>
> > readfile()
> >
> > On Fri, 4 Oct 2002, christian haines wrote:
> >
> > > hi all,
> > >
> > > i have successfully created a download script to force a user to
> > > download, however attempting to download large files causes an error
> > > saying that the file cannot be found.
> > >
> > > my code >
> > > header("Cache-control: private");
> > > header("Content-Type: application/force-download; name=\"$file\"");
> > > header("Content-Disposition: attachment; filename=\"$file \"");
> > > header("Content-Transfer-Encoding: binary");
> > > header("Content-Length: $content_length");
> > > $fp = fopen($file_fullpath,"r");
> > > fpassthru($fp);
> > > fclose($fp);
> > > < my code
> > >
> > > this is a memory issue in the php.ini i.e. memory_limit = 8M then the
> > > largest file i can download is 8M
> > >
> > > is there anyway to "force" a download without having to use the system
> > > hungry fpassthru function?
> > >
> > > this is driving me nuts so any help would be greatly appreciated
> > >
> > > cheers
> > > christian
> > >
> > > ps i read the following at php.net fpassthru man page but could not make
> > > sense of it (it appears to be some kind of solution) >
> > >
> > > "fpassthru() works best for small files. In download manager scripts,
> > > it's best to determine the URL of the file to download (you may generate
> > > it locally in your session data if you need so), and then use HTTP
> > > __temporary__ redirects (302 status code, with a "Location:" header
> > > specifying the effective download URL).
> > > This saves your web server from maintaining PHP scripts running for long
> > > times during the file downloadn and instead the download will be managed
> > > directly by the web server without scripting support (consequence: less
> > > memory resources used by parallel downloads)..."
> > >
>
>
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