function flushTrackbackRSS($entryId = null)
{
global $database;
if (empty($entryId)) {
$entryId = '';
}
$cache = pageCache::getInstance();
$cache->name = 'trackbackRSS_' . $entryId;
$cache->purge();
$cache->reset();
$cache->name = 'trackbackRSS';
$cache->purge();
$cache->reset();
$cache->name = 'trackbackATOM_' . $entryId;
$cache->purge();
$cache->reset();
$cache->name = 'trackbackATOM';
$cache->purge();
CacheControl::flushResponseRSS($entryId);
return true;
}
