private static function getExcludedUserAgents($website)
{
$excludedUserAgents = API::getInstance()->getExcludedUserAgentsGlobal();
if (API::getInstance()->isSiteSpecificUserAgentExcludeEnabled()) {
$excludedUserAgents .= ',' . $website['excluded_user_agents'];
}
return self::filterBlankFromCommaSepList($excludedUserAgents);
}