Re: [PHP-DEV] transparent output compression patch From: Jade Nicoletti (nicoletti <email protected>)
Date: 11/13/00

The deflate coding didn't work because I sent a zlib header/trailer. Without
them everything seems to work fine (so far :).

May be that problems will arise in certain circumstances (as described in
Remote Communications' mod_gzip.c). Nevertheless it is a good thing to have
this in PHP. Of course the compression isn't enabled by default. A php
developer has to ponder the use of compression and really only apply it if
it's use is adequate.

-Jade.

On Sun, Nov 12, 2000 at 08:47:21PM -0300, Manuel Lemos wrote:
> Hello Jade,
>
> On 12-Nov-00 19:12:00, you wrote:
>
> >Bugs/TODOs:
> > 1. Grep for them (TODO|FIXME).
> > 2. The deflate coding dosn't work. I don't see why, right now... hint?
>
> In theory checking if the Accepting-Encoding: request header would be
> enough to figure if compression is acceptable in the requesting browser (or
> proxy server). The truth is that it isn't that simple. There are plenty
> of circumstances where it may not work and the end user will only see a
> blank page.
>
> If you look into Remote Communications mod_gzip source code they explain
> some of the circumstances where it does not work. Oddly they seem to not
> handle those situations. That suggests that they may want people to
> complain so they can sell their commercial solution.
>
> Anyway, there seem to be other situations that they admitedly did not seem
> to know, like proxy servers that choke on character 0 (NUL) in a
> Content-Type: text/html stream. Many free access ISP use proxy servers and
> they now represent a significative market share in many countries. I don't
> know if some could not be using broken proxy servers to make all this that
> hard to handle.
>
>
> Regards,
> Manuel Lemos
>
> Web Programming Components using PHP Classes.
> Look at: email protected>?subject=Re:%20[PHP-DEV]%20transparent%20output%20compression%20patch&replyto=20001113135142.A6591 <email protected>">mlemos <email protected>">http://phpclasses.UpperDesign.com/?user=mlemos <email protected>
> --
> E-mail: mlemos <email protected>
> URL: http://www.mlemos.e-na.net/
> PGP key: http://www.mlemos.e-na.net/ManuelLemos.pgp
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