public function findFriendIdList($userId, $first, $count, $type = 'friends') { switch ($type) { case 'friends': return $this->friendshipDao->findFriendIdList($userId, $first, $count); case 'sent-requests': return $this->friendshipDao->findRequestedUserIdList($userId, $first, $count); case 'got-requests': return $this->friendshipDao->findRequesterUserIdList($userId, $first, $count); } return array(array(), 0); }