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

    private function validateForm()
    {
        // is the form submitted
        if ($this->frm->isSubmitted()) {
            // get field
            $txtEmail = $this->frm->getField('email');
            // field is filled in?
            if ($txtEmail->isFilled(FL::getError('EmailIsRequired'))) {
                // valid email?
                if ($txtEmail->isEmail(FL::getError('EmailIsInvalid'))) {
                    // email exists?
                    if (!FrontendProfilesModel::existsByEmail($txtEmail->getValue())) {
                        $txtEmail->addError(FL::getError('EmailIsUnknown'));
                    }
                }
            }
            // valid login
            if ($this->frm->isCorrect()) {
                // get profile id
                $profileId = FrontendProfilesModel::getIdByEmail($txtEmail->getValue());
                // generate forgot password key
                $key = FrontendProfilesModel::getEncryptedString($profileId . microtime(), FrontendProfilesModel::getRandomString());
                // insert forgot password key
                FrontendProfilesModel::setSetting($profileId, 'forgot_password_key', $key);
                // reset url
                $mailValues['resetUrl'] = SITE_URL . FrontendNavigation::getURLForBlock('Profiles', 'ResetPassword') . '/' . $key;
                $mailValues['firstName'] = FrontendProfilesModel::getSetting($profileId, 'first_name');
                $mailValues['lastName'] = FrontendProfilesModel::getSetting($profileId, 'last_name');
                // trigger event
                FrontendModel::triggerEvent('Profiles', 'after_forgot_password', array('id' => $profileId));
                // send email
                $from = $this->get('fork.settings')->get('Core', 'mailer_from');
                $replyTo = $this->get('fork.settings')->get('Core', 'mailer_reply_to');
                $message = Message::newInstance(FL::getMessage('ForgotPasswordSubject'))->setFrom(array($from['email'] => $from['name']))->setTo(array($txtEmail->getValue() => ''))->setReplyTo(array($replyTo['email'] => $replyTo['name']))->parseHtml('/Profiles/Layout/Templates/Mails/ForgotPassword.html.twig', $mailValues, true);
                $this->get('mailer')->send($message);
                // redirect
                $this->redirect(SITE_URL . $this->URL->getQueryString() . '?sent=true');
            } else {
                $this->tpl->assign('forgotPasswordHasError', true);
            }
        }
    }