root/updates/index.php

<?php

@set_time_limit(0);
ignore_user_abort(true);

$root_path = './../';</span>
<span class="code-lang">require ($root_path . 'include/config.php');

$userdata = session_pagestart($user_ip);
init_userprefs($userdata);

loggedinorreturn();</span>
<span class="code-lang">
if ($userdata['class'] < UC_ADMINISTRATOR)
{
        trigger_error($lang['not_admin']);
        return;
}

if (!isset($userdata['session_admin']) || !$userdata['session_admin'] || !$userdata['session_logged_in'] )
{
    define('ADMIN_START', true);
    show_login_box('updates/index.php', true);
}

$message = '';
$updates_dir = $root_path . 'updates/';</span>
<span class="code-lang">
function source_version ( $version = '' ) {
    global $config;

    if ( !$version ) {
        $version = $config['version'];
    }

    list($base_version, $rlz_version, $ext_version) = explode('.', $version);
    if ( strpos($ext_version, 'svn') ) {
        $ext_version = str_replace('svn', '.', $ext_version);
    }
    return $base_version . $rlz_version . $ext_version;

}

$source_version = source_version();
$updated = false;
$updater_text = '';
$upd_ary = array();</span>
<span class="code-lang">
if ( $dir_handle = opendir($updates_dir) ) {
    while ( ( $file = readdir($dir_handle) ) !== false ) {
        if ( $file != '.' && $file != '..' ) {
            //filename is a version to update
            $filename = str_replace('.php', '', $file);

            if ( (float) $filename > $source_version ) {
                $upd_ary[(float) $filename] = $file;
            }
        }
    }

    ksort($upd_ary);

    foreach ( $upd_ary AS $version => $file ) {
        ob_start();
        require($updates_dir . $file);
        if ( isset($upd_version) ) {
            set_config('version', $upd_version);
            $source_version = source_version($upd_version);
            unset($upd_version);
            $updated = true;
        }
        $updater_text .= ob_get_contents();
        ob_end_clean();
    }
}
else {
    trigger_error('Cant open dir with updates');
}

$cache->purge();
$message = ( $updated ? 'Database updated sucefully to version ' . $source_version . '. Now you must delete this file!' : 'No updates found' );</span>
<span class="code-lang">if ( $updater_text ) {
    $message .= '<br />Some text from updates (can be errors about update proccess here - read it carefully)<br /><strong>' . $updater_text . '</strong>';
}
trigger_error($message);
?>