PHP SCRIPT PARSING APACHE LOG

<?php
ini_set("memory_limit","64M");
 
$log_file = '/var/log/httpd/...';
$pattern = '/GET (\S*news\/images\/[0-9]{4}\S*.php)/';
 
if (is_readable($log_file)) {
 
	$fh = fopen($log_file,'r') or die($php_errormsg);
	$requests = array();
 
	header('Content-Type: text/xml');
	while (!feof($fh)) {
		if ($s = trim(fgets($fh,16384))) {
			if (preg_match($pattern, $s, $matches)) {
				list($whole_match, $request) = $matches;
				$requests[$request]++;
			} 
		}
	}
	fclose($fh) or die($php_errormsg);
 
	// sort the array (in reverse) by number of requests
	arsort($requests);
 
	// print formatted results
	print "<?xml version='1.0' encoding='UTF-8'?>\n";
	print "<images>\n";
	foreach ($requests as $request => $accesses) {
		printf("\t<image path='%s' count='%s' />\n", $request, $accesses); 
	}
	print "</images>\n";
} else { 
	echo "cannot access logfile!";
}
?>