/**
* {@inheritDoc}
*
* Normalizes dash-separated keys to underscore-separated to ensure
* backwards compatibility with old options (even though dash-separated
* were previously ignored!).
*
* @see \Zend\Stdlib\ParameterObject::__get()
* @param string $key
* @throws \Zend\Stdlib\Exception\BadMethodCallException
* @return mixed
*/
public function __get($key)
{
return parent::__get(str_replace('-', '_', $key));
}
