public function __construct()
{
$this->options['alias'] = '';
// alias to replace root dir name
$this->options['dirMode'] = 0755;
// new dirs mode
$this->options['fileMode'] = 0644;
// new files mode
$this->options['quarantine'] = '.quarantine';
// quarantine folder name - required to check archive (must be hidden)
$this->options['maxArcFilesSize'] = 0;
// max allowed archive files size (0 - no limit)
}