php如何调用带out参数的存储过程？
如
存储过程：
create   check_user(vusername   varchar(20),vuserpwd   varchar(40),out   vusercount   int   )
begin
      select     count(*)   into   vusercount   from   user   where     user_name=vusername   and   user_passward=vuserpwd;
end;
在php文件中怎么调用？
------解决方案--------------------
create check_user(vusername varchar(20),vuserpwd varchar(40),out vusercount int )
begin
select count(*) into vusercount from user where user_name=vusername and user_passward=vuserpwd;
end;
送出查询( call check_user( 'user ', 'pass ',@vusercount) );
送出查询( select @vusercount );
$row = .....-> fetch_array();
print_r($row)