Apache Functions www.php.net

apache_child_terminate Terminate apache process after this request
apache_get_modules  Get a list of loaded Apache modules
apache_get_version Fetch Apache version
apache_getenv  Get an Apache subprocess_env variable
apache_lookup_uri  Perform a partial request for the specified URI and return all info about it
apache_note  Get and set apache request notes
apache_request_headers  Fetch all HTTP request headers
apache_reset_timeout  Reset the Apache write timer
apache_response_headers  Fetch all HTTP response headers
apache_setenv  Set an Apache subprocess_env variable
ascii2ebcdic  Translate string from ASCII to EBCDIC
ebcdic2ascii  Translate string from EBCDIC to ASCII
getallheaders  Fetch all HTTP request headers
virtual  Perform an Apache sub-request