pdo 调用mysql 存储过程

pdo 调用mysql 存储过程

<script>ec(2);</script>

$stmt = $dbh->prepare("CALL test(:bb)");
    $aa = '';
    $stmt->bindParam(':bb', $aa, PDO::PARAM_STR|PDO::PARAM_INPUT_OUTPUT, 4000);
var_dump($stmt->execute());
var_dump($aa);
var_dump($stmt->fetchAll(PDO::FETCH_ASSOC));

$stmt = $dbh->prepare("select * from userinfo where u_id=:id");
    $aa = 1;
    $stmt->bindParam(':id', $aa, PDO::PARAM_STR|PDO::PARAM_INPUT_OUTPUT, 4000);
var_dump($stmt->execute());
var_dump($stmt->fetchAll(PDO::FETCH_ASSOC));