/**
* Expires path cache fo the page and subpages.
*
* @param int $pageId
* @param int $languageId
* @return void
*/
protected function expireCachesForPageAndSubpages($pageId, $languageId)
{
$this->cache->expirePathCache($pageId, $languageId);
$this->cache->clearUrlCacheForPage($pageId);
$subpages = BackendUtility::getRecordsByField('pages', 'pid', $pageId);
$uidList = array();
foreach ($subpages as $subpage) {
$uidList[] = (int) $subpage['uid'];
}
unset($subpages);
foreach ($uidList as $uid) {
$this->cache->expirePathCache($uid, $languageId);
$this->expireCachesForPageAndSubpages($uid, $languageId);
}
}