Re: logging php usage and directory index pages

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Joshua Slive wrote:
On Nov 11, 2007 12:21 PM, Alex Dean <alex@xxxxxxxxxxxx> wrote:
Can anyone help with this?

alex@xxxxxxxxxxxx wrote:
Two questions about logging:

1. Can I log whether or not the current request was operated on by mod_php?

I want to determine what % of my requests are PHP.  I've tried to
determine this based on filename, but with ForceType and other
configuration directives, it's possible for a file to be parsed as PHP
even if it doesn't have the .php file extension.

I saw the log formatter "%...{Foobar}n      The contents of note Foobar
from another module.", and that sounds promising, but I'm really not
sure what it means, or what value I might use for {Foobar}.
http://httpd.apache.org/docs/2.0/mod/mod_log_config.html#formats

I believe php adds a special http response header to its requests
(X-Powered-By: php or something like that). You can log that.

That's exactly what I needed.  Thanks!


2. Can I log the actual file that was served, even for directory indexes?

I've tried the '%f' log format, and for http://site.com requests, I get
a log of '/var/www/site.com/htdocs/'.  If the directory index file was
'index.html', I'd like '/var/www/site.com/htdocs/index.html' to get into
the log somehow.

I don't believe that is possible. There are many ways that a request
can get mapped to a file, so there is no way for apache to determine
definitively what has happened. You can take a look at the different
available environment variables (using a printenv cgi script) and try
turning RewriteEnging On, which sets a few extra variables.

But one way or another Apache has to actually read a file off the disk (or cache) and send it to the client. Apache doesn't expose that through logging directives?

It's exactly because there are so many ways that a file can be accessed (DirectoryIndex, Rewrite rules, etc) that I'm looking for a better answer than just the URL that was requested.

thanks,
alex

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