Common\Doctrine\ValueObject\AbstractFile::getUploadRootDir PHP Метод

    protected function getUploadRootDir()
    {
        return FRONTEND_FILES_PATH . '/' . $this->getTrimmedUploadDir();
    }

 /**
  * @param string|null $subDirectory
  *
  * @return string
  */
 protected function getUploadRootDir($subDirectory = null)
 {
     // the absolute directory path where uploaded
     // documents should be saved
     if ($subDirectory !== null) {
         return parent::getUploadRootDir() . '/' . $subDirectory;
     }
     return parent::getUploadRootDir();
 }