On Wed, Jan 20, 2010 at 04:34, richard gray <rich@xxxxxxxxxxxx> wrote:
>
> Camilo Sperberg wrote:
>
>> Hi list, my first message here :)
>>
>> To the point: I'm programming a class that takes several CSS files,
>> parses,
>> compresses and saves into a cache file. However, I would like to go a step
>> further and also use the browser cache, handling the 304 and 200 header
>> types myself.
>>
>> Now, what is the problem? If I do it within a function, there is
>> absolutely
>> no problem, everything works like a charm. However, when I implement that
>> same concept into my class, there is no way I can send a 304 Not Modified
>> header, when the data is *over* ~100 bytes.
>>
>>
>>
> Hi Camilo
>
> For what it is worth I have implemented cacheing in a class and for me the
> 304 not modified header gets sent fine ... some example headers output is
> below together with the relevant code snippet..
>
> // See if client sent a page modified header to see if we can
> // just send a not modified header instead
> if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) &&
> $_SERVER['HTTP_IF_MODIFIED_SINCE'] == self::$_gmmodtime) {
>
> header('HTTP/1.1 304 Not Modified');
> return null;
> }
>
> if (isset($_SERVER['HTTP_IF_NONE_MATCH']) &&
> stripslashes($_SERVER['HTTP_IF_NONE_MATCH']) == self::$_etag) {
>
> header('HTTP/1.1 304 Not Modified');
> return null;
> }
>
>
> HTTP/1.x 304 Not Modified
> Date: Wed, 20 Jan 2010 07:21:32 GMT
> Server: Apache/2.2.11 (Ubuntu)
> Connection: Keep-Alive
> Keep-Alive: timeout=5, max=1000
> Etag: 444fbd9951f540ec1b6928db864c10dc
> Expires: Sun, 24 Jan 2010 06:16:06 GMT
> Cache-Control: public, must-revalidate
> Vary: Accept-Encoding
>
> I hope it helps..
>
> Regards
> Rich
>
I'll try this (and some other things I recently thought about) when I get
back home on friday :) I'll keep you updated.
Thanks!
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