Writing to Apache access_log file with php

Question

I need to write statistical data to the live Apache access_log file (I have another process counting specific lines in the access_log file that reports periodically back to

Answer 1

You can use apache_note (http://php.net/apache_note) to write your values to a note and then use CustomLog with LogFormat (%{NOTE_NAME}n) (http://httpd.apache.org/docs/2.2/mod/mod_log_config.html) to log the new keys. Your programs which parse the access log can then read the new logging parameters as well.