默认地址未设置如何重新设置

   //统计默认地址状态没有设置的用户的数量

 $address_sql = "select lender_id,count(*) as count from address where is_default=0 and status=0 group by lender_id  having count>=1 limit $offset,$limit";

  

 foreach($address_data as $k=>$val){

    $sql = "select is_default from address where lender_id=".$val['lender_id'];

    $address_arr = $db_other->execute($sql);

    $defaults = array();

    foreach ($address_arr as $value){

    $defaults[] = $value['is_default'];

    }

    //判断是否已经设置默认地址

    if(in_array(1, $defaults)){

    continue;

    }else{

      //获取最新添加的一条并更新会默认地址

    $newsql = "select id from address where lender_id=".$val['lender_id']." order by id desc limit 1 ";

    $address_info = $db_other->execute($newsql);

    if(!empty($address_info)){

    $db_other->execute("update address set is_default= 1 where id=".$address_info[0]['id']);

    }

    }

    }