I just realized that "mod_deflate" is for Apache 2. I am still on the
Apache 1.3 tree so I don't beleive I can take advantage.
----- Original Message -----
From: "Ernest E Vogelsinger" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, November 08, 2002 4:00 AM
Subject: Re: [PHP] ob_gzhandler
> At 07:45 08.11.2002, Serge Paquin said:
> --------------------[snip]--------------------
> >Hello,
> >
> > Is their anyway to use ob_gzhandler along with another callback?
I've
> >tried the following which does not work:
> >
> >function DoCache($buffer) {
> > /* Do a bunch of stuff */
> > return ob_gzhandler($buffer);
> >}
> >
> >ob_start("DoCache");
>
> What do you mean by "does not work"? Does it output "nothing", or can't
you
> see any compressed data?
>
> 1) output is empty
> Must be an error in your DoCache() function - check the buffer you're
> passing to ob_gzhandler() by writing it to a file (you can't echo it
here...)
>
> 2) you don't see compressed output
> 2.a) That's how it is designed. ob_gzhandler checks the request headers to
> see if the browser supports any of the compressed formats (gzip, deflate),
> and if it doesn't find it then it simply does nothing.
> 2.b) PHP needs to be compiled using --with-zlib to provide ob_gzhandler
> support. You don't get any error if you don't have zlib configured. Check
> phpinfo() to see if zlib support is available.
>
>
> Personal hint:
> If you're using the url_rewriter.tags and have session cookies disabled,
> ob_gzhandler will break this. The reason is that PHP parses the
> _very_final_ output to mangle the session identifier to any (local) url;
in
> case this _very_final_ output is compressed ir can't find any link and
> can't merge the session identifier.
>
> I personally believe it's better to have compression be done at the web
> server (refer to http://httpd.apache.org/docs-2.0/mod/mod_deflate.html).
> It's more general then, after all...
>
>
> --
> >O Ernest E. Vogelsinger
> (\) ICQ #13394035
> ^ http://www.vogelsinger.at/
>
>
>
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