$selectQuery = "
SELECT * FROM test_table WHERE col = 3;
DELETE FROM test_table WHERE col = 3;
SELECT count(*) as 'count' FROM test_table;
";
$stm = $pdo->prepare($selectQuery);
$stm->execute();
var_dump($stm->fetchObject());
$stm->nextRowset();
var_dump($stm->fetchObject());