root/branches/1.2/admin/config.php.example

<?php

// this is an example only
// write your own config and name it as config.php

// detected by browser
// $lang = 'en-us';

$charset = "UTF-8";

// developers only
$show_todo_strings = false;

// this function is detected by xcache.tpl.php, and enabled if function_exists
// this ob filter is applied for the cache list, not the whole page
function ob_filter_path_nicer($o)
{
    $sep = DIRECTORY_SEPARATOR;
    $o = str_replace($_SERVER['DOCUMENT_ROOT'],  "{DOCROOT}$sep", $o);
    $xcachedir = realpath(dirname(__FILE__) . "$sep..$sep");
    $o = str_replace($xcachedir . $sep, "{XCache}$sep", $o);
    if ($sep == '/') {
        $o = str_replace("/home/", "{H}/", $o);
    }
    return $o;
}

// you can simply let xcache to do the http auth
// but if you have your home made login/permission system, you can implement the following
// {{{ home made login example
// this is an example only, it's won't work for you without your implemention.
function check_admin_and_by_pass_xcache_http_auth()
{
    require("/path/to/user-login-and-permission-lib.php");
    session_start();

    if (!user_logined()) {
        if (!ask_the_user_to_login()) {
            exit;
        }
    }

    user_load_permissions();
    if (!user_is_admin()) {
        die("Permission denied");
    }

    // user is trusted after permission checks above.
    // tell XCache about it (the only way to by pass XCache http auth)
    $_SERVER["PHP_AUTH_USER"] = "moo";
    $_SERVER["PHP_AUTH_PW"] = "your-xcache-password";
    return true;
}

// uncomment:
// check_admin_and_by_pass_xcache_http_auth();
// }}}

?>