function boot() { if (!defined('APP_ROOT')) { define('APP_ROOT', dirname(dirname(__FILE__))); } self::$tmp_path = APP_ROOT . '/tmp'; // initialize preference system include APP_ROOT . '/framework/lib/preferences.php'; self::$prefs = new PreferenceCollection(array(self::$tmp_path)); self::$prefs->read('cache', true, self::$tmp_path); Timer::start(); }