PasswordResetModel::changePassword PHP Метод

    public static function changePassword($user_name, $user_password_current, $user_password_new, $user_password_repeat)
    {
        // validate the passwords
        if (!self::validatePasswordChange($user_name, $user_password_current, $user_password_new, $user_password_repeat)) {
            return false;
        }
        // crypt the password (with the PHP 5.5+'s password_hash() function, result is a 60 character hash string)
        $user_password_hash = password_hash($user_password_new, PASSWORD_DEFAULT);
        // write the password to database (as hashed and salted string)
        if (self::saveChangedPassword($user_name, $user_password_hash)) {
            Session::add('feedback_positive', Text::get('FEEDBACK_PASSWORD_CHANGE_SUCCESSFUL'));
            return true;
        } else {
            Session::add('feedback_negative', Text::get('FEEDBACK_PASSWORD_CHANGE_FAILED'));
            return false;
        }
    }

 /**
  * Password Change Action
  * Submit form, if retured positive redirect to index, otherwise show the changePassword page again
  */
 public function changePassword_action()
 {
     $result = PasswordResetModel::changePassword(Session::get('user_name'), Request::post('user_password_current'), Request::post('user_password_new'), Request::post('user_password_repeat'));
     if ($result) {
         Redirect::to('login/index');
     } else {
         Redirect::to('login/changePassword');
     }
 }