protected function getConfig(){
    $config = array();

    $config['zipMaxSize'] = 'default';
    if (isset($GLOBALS['config']['ZipMaxSize']) && (string)$GLOBALS['config']['ZipMaxSize']!='default' ){
      $config['zipMaxSize'] = CKFinder_Connector_Utils_Misc::returnBytes((string)$GLOBALS['config']['ZipMaxSize']);
    }

    return $config;
  }