Application::getDocumentRoot

static function getDocumentRoot()
{
	static $documentRoot = null;
	if ($documentRoot != null)
		return $documentRoot;

	$context = Application::getInstance()->getContext();
	if ($context != null)
	{
		$server = $context->getServer();
		if ($server != null)
			return $documentRoot = $server->getDocumentRoot();
	}

	return Loader::getDocumentRoot();
}