NodeAttributes::getUpdaterUniqueId

private function getUpdaterUniqueId()
{
//		continue processing current updater
	if ($this->status['UPDATER_ID'] !== '')
	{
		return $this->status['UPDATER_ID'];
	}
	
	$updaterOptions = Option::getForModule('landing');
	$allOptions = preg_grep('/' . self::OPTION_NAME . '.+/', array_keys($updaterOptions));
	$allOptions = array_diff($allOptions, array(self::OPTION_STATUS_NAME));    // remove status option from list
	sort($allOptions);
	
	if (!empty($allOptions))
	{
		return str_replace(self::OPTION_NAME, '', $allOptions[0]);
	}
	else
	{
		return '';
	}
}