$this->mName = $dbName;
parent::__construct( $server, $user, $password, $dbName, $flags );
// parent doesn't open when $user is false, but we can work with $dbName
$this->mName = $dbName;
parent::__construct( $server, $user, $password, $dbName, $flags );
// parent doesn't open when $user is false, but we can work with $dbName