CompositeForm::getBaseFormData

private function getBaseFormData($data, $formName)
{
	if ($formName === '')
	{
		return $data;
	}
	$formNameParent = $formName;
	if ($formNameParent === null)
	{
		$formNameParent = $this->getFormName();
	}

	return isset($data[$formNameParent]) ? $data[$formNameParent] : $data;
}