PDOStatement::fetchAll update

Hello everyone, I've done some polishing to the PDOStatement::fetchAll documentation. Attached is the patch, as well as the resulting chunked-render html. Summary: Changed the fetch_argument parameter type to mixed, as it differs per fetch_style, and removed the initializer. Changed a few instances of <literal> to <constant> where appropriate. Clarified wording of PDO::FETCH_CLASS behaviour for the fetch_argument parameter. Added the PDO::FETCH_FUNC behavior for the fetch_argument parameter. Added two examples, for PDO::FETCH_CLASS and PDO::FETCH_FUNC styles. Thanks, Justin Martin, a.k.a. FrozenFire

Attachment: [text/x-patch] pdostatement.fetchall.diff
Attachment: [text/html] pdostatement.fetchall.html