UserModel::signinLabelCode PHP Method

    public static function signinLabelCode()
    {
        return UserModel::noEmail() ? 'Username' : 'Email/Username';
    }

 /**
  * Request password reset.
  *
  * @access public
  * @since 2.0.0
  */
 public function passwordRequest()
 {
     Gdn::locale()->setTranslation('Email', t(UserModel::signinLabelCode()));
     if ($this->Form->isPostBack() === true) {
         $this->Form->validateRule('Email', 'ValidateRequired');
         if ($this->Form->errorCount() == 0) {
             try {
                 $Email = $this->Form->getFormValue('Email');
                 if (!$this->UserModel->passwordRequest($Email)) {
                     $this->Form->setValidationResults($this->UserModel->validationResults());
                     Logger::event('password_reset_failure', Logger::INFO, 'Can\'t find account associated with email/username {Input}.', array('Input' => $Email));
                 }
             } catch (Exception $ex) {
                 $this->Form->addError($ex->getMessage());
             }
             if ($this->Form->errorCount() == 0) {
                 $this->Form->addError('Success!');
                 $this->View = 'passwordrequestsent';
                 Logger::event('password_reset_request', Logger::INFO, '{Input} has been sent a password reset email.', array('Input' => $Email));
             }
         } else {
             if ($this->Form->errorCount() == 0) {
                 $this->Form->addError("Couldn't find an account associated with that email/username.");
                 Logger::event('password_reset_failure', Logger::INFO, 'Can\'t find account associated with email/username {Input}.', array('Input' => $this->Form->getValue('Email')));
             }
         }
     }
     $this->render();
 }