PHPPDO calls the stored procedure to return multiple sets and how to obtain the output parameters

How does PHPPDO obtain multiple sets and output parameters returned by calling the stored procedure? Select & nbsp; * & nbsp; from & nbsp; table; select & nbsp; * & nbsp; from & nbsp; table1; out & nbsp; $ id; as shown above: the stored procedure returns two result sets and one output parameter. how can I obtain these two result sets and output parameters in PHP? How does php pdo call the stored procedure to return multiple sets and output parameters?
Select * from table;
Select * from table1;
Out $ id;

As shown above: the stored procedure returns two result sets and one output parameter. how can I obtain these two result sets and output parameters in PHP?

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See PDOStatement: nextRowset method description