Frontend\Modules\Profiles\Actions\Login::validateForm PHP Method

    private function validateForm()
    {
        // is the form submitted
        if ($this->frm->isSubmitted()) {
            // get fields
            $txtEmail = $this->frm->getField('email');
            $txtPassword = $this->frm->getField('password');
            $chkRemember = $this->frm->getField('remember');
            // required fields
            $txtEmail->isFilled(FL::getError('EmailIsRequired'));
            $txtPassword->isFilled(FL::getError('PasswordIsRequired'));
            // both fields filled in
            if ($txtEmail->isFilled() && $txtPassword->isFilled()) {
                // valid email?
                if ($txtEmail->isEmail(FL::getError('EmailIsInvalid'))) {
                    // get the status for the given login
                    $loginStatus = FrontendProfilesAuthentication::getLoginStatus($txtEmail->getValue(), $txtPassword->getValue());
                    // valid login?
                    if ($loginStatus !== FrontendProfilesAuthentication::LOGIN_ACTIVE) {
                        // get the error string to use
                        $errorString = sprintf(FL::getError('Profiles' . \SpoonFilter::toCamelCase($loginStatus) . 'Login'), FrontendNavigation::getURLForBlock('Profiles', 'ResendActivation'));
                        // add the error to stack
                        $this->frm->addError($errorString);
                        // add the error to the template variables
                        $this->tpl->assign('loginError', $errorString);
                    }
                }
            }
            // valid login
            if ($this->frm->isCorrect()) {
                // get profile id
                $profileId = FrontendProfilesModel::getIdByEmail($txtEmail->getValue());
                // login
                FrontendProfilesAuthentication::login($profileId, $chkRemember->getChecked());
                // update salt and password for Dieter's security features
                FrontendProfilesAuthentication::updatePassword($profileId, $txtPassword->getValue());
                // trigger event
                FrontendModel::triggerEvent('Profiles', 'after_logged_in', array('id' => $profileId));
                // query string
                $queryString = urldecode(\SpoonFilter::getGetValue('queryString', null, SITE_URL));
                // redirect
                $this->redirect($queryString);
            }
        }
    }