code: protected function sortByName($blnAscending = true)
      {
          $arrFiles = $this->foundFiles;
  
          if (!$arrFiles) {
              return array('files' => array(), 'source' => array());
          }
  
          \uasort($arrFiles, ($blnAscending) ? '\basename_natcasecmp' : '\basename_natcasercmp');
  
          return $this->remapSorting($arrFiles, $this->outputBuffer);
      }
docs: Sort by filename.
  
  @param boolean $blnAscending Flag to determine if sorting shall be applied ascending (default) or descending.
  
  @return array