apache combined access log parse by php

gistfile1.aw

preg_match('/^([^ ]*) ([^ ]*) ([^ ]*) \[([^]]*)\] "([^ ]*)(?: *([^ ]*) *([^ ]*))?" ([^ ]*) ([^ ]*) "(.*?)" "(.*?)"/', $buf, $log_stat);
list($all, $host, $ident, $user, $time, $method, $resource, $proto, $status, $bytes, $referer, $agent) = $log_stat;