code: protected function fetchAdditionalData()
      {
          $this->modifiedTime = array();
          $this->outputBuffer = array();
  
          if (!$this->foundFiles) {
              return;
          }
  
          foreach ($this->foundFiles as $strFile) {
              $this->processFile($strFile);
          }
      }
docs: Walk all files and fetch desired additional information like image sizes etc.
  
  @return void
  
  @SuppressWarnings(PHPMD.Superglobals)
  @SuppressWarnings(PHPMD.CamelCaseVariableName)