Description:
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---
From manual page: http://www.php.net/pdo.prepared-statements
---
Example #5 don't work!
in example #5,a vraiable $value didn't get a return value after exec procedure.
p.s.:in procedure,output param do be changed.
pleace check it.



Test script:
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$stmt = $dbh->prepare("CALL ggg(@?)");
$value = 'hello';
$stmt->bindParam(1, $value, PDO::PARAM_STR|PDO::PARAM_INPUT_OUTPUT, 4000);

// 调用存储过程,will change val ,for example : set t = "3"; (t is procedure's output  param)
$stmt->execute();

print "$value";


Expected result:
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'3'

Actual result:
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'hello'