[users@httpd] Re: PHP script as Apache filter or "callback"

[Nicholas Sherlock <n....@gmail.com>]

Brian Mearns wrote:
> I've got a PHP script that I want to call for every request under a
> certain location. Specifically, I want to alter/set the response
> headers using this script. I know headers can be set in other ways,
> but in this case, the heders are set using some fairly complex logic
> which I don't think can be done in the conf file directly, plus the
> PHP script will have some other side effects on the server.
> 
> Does anyone know of a way to do this? If not, can anyone point me to a
> good tutorial for writing apache filters?

You might try PHP's auto_prepend_file:

   auto_prepend_file  string

     Specifies the name of a file that is automatically parsed before 
the main file. The file is included as if it was called with the 
require() function, so include_path is used.

     The special value none disables auto-prepending.

This allows you to run some PHP code before any script in the directory 
you set it for is run. It will only work for documents which PHP is set 
to parse, of course, so it won't help out for requests for other objects 
like images.

Cheers,
Nicholas Sherlock


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Re: [users@httpd] Re: PHP script as Apache filter or "callback"

[Brian Mearns <me...@gmail.com>]

On Sat, Mar 14, 2009 at 8:36 PM, Nicholas Sherlock <n....@gmail.com> wrote:
> Brian Mearns wrote:
>>
>> I've got a PHP script that I want to call for every request under a
>> certain location. Specifically, I want to alter/set the response
>> headers using this script. I know headers can be set in other ways,
>> but in this case, the heders are set using some fairly complex logic
>> which I don't think can be done in the conf file directly, plus the
>> PHP script will have some other side effects on the server.
>>
>> Does anyone know of a way to do this? If not, can anyone point me to a
>> good tutorial for writing apache filters?
>
> You might try PHP's auto_prepend_file:
>
>  auto_prepend_file  string
>
>    Specifies the name of a file that is automatically parsed before the main
> file. The file is included as if it was called with the require() function,
> so include_path is used.
>
>    The special value none disables auto-prepending.
>
> This allows you to run some PHP code before any script in the directory you
> set it for is run. It will only work for documents which PHP is set to
> parse, of course, so it won't help out for requests for other objects like
> images.
>
> Cheers,
> Nicholas Sherlock

Thanks for all the feedback, I think writing a custom Apache filter is
my best bet.

Thanks, again!
-Brian


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