pass constructor arguments using PDO::FETCH_CLASSTYPE

Question

I am replacing my old database layer by a new PDO based version.

However i have run into a problem:

When fetching objects using fetchObject i ca

Answer 1

There doesn't seem to be a built-in solution. That part of the API doesn't look that good anyway. You could use a workaround:

$stmt->setFetchMode(PDO::FETCH_ASSOC);

while ($row = $stmt->fetch()) {
    /* "Factory" */
    $obj = new $row['class_name_column']('constructor', 'args');
    unset($row['class_name_column']);
    foreach ($row as $key => $value) {
        $obj->$key = $value;
    }
    var_dump($obj);
}

Answer 2

I think it's perfectly clean to call an initializing-method on the returned instance right after the fetch.

Answer 3

It's a PHP bug reported as #62567

You may work around it by passing as a second argument any classname with a constructor