FollowModel::getFollowStateByFids PHP Method

    public function getFollowStateByFids($uid, $fids)
    {
        if (is_string($fids)) {
            $fids = explode(',', $fids);
        }
        $fids = (array) $fids;
        foreach ($fids as $key => $value) {
            $fids[$key] = intval($value);
        }
        $_fids = implode(',', $fids);
        $uid = intval($uid);
        $follow_data = $this->where(" ( uid = '{$uid}' AND fid IN({$_fids}) ) OR ( uid IN({$_fids}) and fid = '{$uid}')")->findAll();
        $follow_states = $this->_formatFollowState($uid, $fids, $follow_data);
        return $follow_states[$uid];
    }