BaseController::__construct PHP Method

    public function __construct($db_user, $db_pass, $db_name, $server = 'localhost')
    {
        $cfg = ActiveRecord\Config::instance();
        $cfg->set_model_directory('../models');
        $cfg->set_connections(array('development' => 'mysql://' . $db_user . ':' . $db_pass . '@' . $server . '/' . $db_name));
    }

 /**
  * construct function
  */
 public function __construct($controller, $action)
 {
     parent::__construct($controller, $action);
     $um = new UserModel();
     $this->user = $um->loadUser();
     $this->setView('curUser', $this->user);
 }