| public __construct ( array $config = [] ) : void | ||
| $config | array | Available configuration options are: - `'fields'` _array_ |
| return | void | |
public function __construct(array $config = array())
{
$defaults = array('fields' => array('_id' => array('type' => 'id')));
parent::__construct(array_filter($config) + $defaults);
}