Contao\Upload::validator PHP Метод

    protected function validator($varInput)
    {
        $strUploadTo = 'system/tmp';
        // Specify the target folder in the DCA (eval)
        if (isset($this->arrConfiguration['uploadFolder'])) {
            $strUploadTo = $this->arrConfiguration['uploadFolder'];
        }
        return $this->objUploader->uploadTo($strUploadTo);
    }