Frontend\Core\Engine\User::loadUser PHP Method

    public function loadUser($userId)
    {
        $userId = (int) $userId;
        // get database instance
        $db = Model::getContainer()->get('database');
        // get user-data
        $userData = (array) $db->getRecord('SELECT u.id, u.email
             FROM users AS u
             WHERE u.id = ?
             LIMIT 1', array($userId));
        // if there is no data we have to destroy this object, I know this isn't a realistic situation
        if (empty($userData)) {
            throw new Exception('The user (' . $userId . ') doesn\'t exist.');
        }
        // set properties
        $this->setUserId($userData['id']);
        $this->setEmail($userData['email']);
        // get settings
        $settings = (array) $db->getPairs('SELECT us.name, us.value
             FROM users_settings AS us
             WHERE us.user_id = ?', array($userId));
        // loop settings and store them in the object
        foreach ($settings as $key => $value) {
            $this->settings[$key] = unserialize($value);
        }
    }