$dbh = new PDO('sqlsrv:server=连接地址;Database=数据库名', 用户名, 密码);
try {
 $procName = "P_Test_GetMixData";
 $stmt = $dbh->prepare("EXEC $procName ?, ?, ?");
 $nReturnValue = 0;
 $strReturnValue = "";
 $strSearchValue = "abandonship";
 $stmt->bindParam(1, $nReturnValue, PDO::PARAM_INT | PDO::PARAM_INPUT_OUTPUT, PDO::SQLSRV_PARAM_OUT_DEFAULT_SIZE);
 $stmt->bindParam(2, $strReturnValue, PDO::PARAM_STR | PDO::PARAM_INPUT_OUTPUT, 10);
 $stmt->bindParam(3, $strSearchValue , PDO::PARAM_STR);
 $stmt->execute();

 //获取第一个结果集.
 $rowset_1 = $stmt->fetch(PDO::FETCH_ASSOC);
 print_r($rowset_1);
 echo '<br><br>';

 //获取第二个结果集.
 $stmt->nextRowset();
 $rowset_2 = $stmt->fetch();
 print_r($rowset_2);
 echo '<br><br>';
 $stmt->nextRowset();
 // 获取两个输出类型的参数
 echo $nReturnValue.'<br><br>';
 echo $strReturnValue;
} catch (Exception $e) {
 echo $e->getMessage();
}

/**
* 用于测试PDO调用MsSQLServer2012存储过程获取复合结果集Demo
* Code CreateBy abandonship 2012.10.11
**/
CREATE PROCEDURE [dbo].[P_Test_GetMixData](
 @Message_1 tinyint output,
 @Messgae_2 varchar(10) output,
 @SearchValue varchar(50)
) As
set nocount on

 set @Message_1 = 123
 set @Messgae_2 = 'Hi,there!This is abandonship!'
 select * from _T1 where col1 like '%'+@SearchValue+'%'
 select * from _T2 where col1 like '%'+@SearchValue+'%'
set nocount off