public function setGlobalSearchParameters($searchKeywordParameters, $searchCategoryParameters)
{
Piwik::checkUserHasSuperUserAccess();
Option::set(self::OPTION_SEARCH_KEYWORD_QUERY_PARAMETERS_GLOBAL, $searchKeywordParameters);
Option::set(self::OPTION_SEARCH_CATEGORY_QUERY_PARAMETERS_GLOBAL, $searchCategoryParameters);
Cache::deleteTrackerCache();
return true;
}