/** * Does the backend support ACL? * * @return boolean True if the backend supports ACLs. */ public function hasAclSupport() { if (!$this->_list_cache->issetSupport(self::CAPABILITY)) { $this->_list_cache->setSupport(self::CAPABILITY, $this->_query->hasAclSupport()); $this->_list_cache->save(); } return $this->_list_cache->hasSupport(self::CAPABILITY); }