Document::getElementsByClassName

public function getElementsByClassName($className, $limit = 0)
{
	$nodeList = $this->getQueryEngine()->walk(
		array(
			array(QueryEngine::FILTER_ATTR_CLASS_NAME => $className)
		),
		null, $this, $limit
	);

	if(Node::$isNodeListAsArray)
	{
		return $nodeList;
	}
	else
	{
		return new NodeList($nodeList);
	}
}