// Is there an application helper instance? We need the method main() for
// maining the application
-$app = call_user_func_array(array(FrameworkConfiguration::getInstance()->readConfig('app_helper_class'), "getInstance"), array());
+$app = call_user_func_array(array(FrameworkConfiguration::getInstance()->readConfig('app_helper_class'), 'getInstance'), array());
// Some sanity checks
if ((empty($app)) || (is_null($app))) {