old advanced-cache.php

gistfile1.txt

        // Add some debug info just before </head>
        if ( $batcache->debug ) {
                if ( false !== $tag_position = strpos($batcache->cache['output'], '</head>') ) {
                        $tag = "<!--\n\tgenerated " . (time() - $batcache->cache['time']) . " seconds ago\n\tgenerated in " . $batcache->cache['timer'] . " seconds\n\tserved from batcache in " . $batcache->timer_stop(false, 3) . " seconds\n\texpires in " . ($batcache->max_age - time() + $batcache->cache['time']) . " seconds\n-->\n";
                        $batcache->cache['output'] = substr($batcache->cache['output'], 0, $tag_position) . $tag . substr($batcache->cache['output'], $tag_position);
                }
        }