Registry::getInstance

static function getInstance($type)
{
	if (!self::$registryMap)
	{
		self::initRegistry();
	}

	if (!isset(self::$registryObjects[$type]))
	{
		if (isset(self::$registryMap[$type]))
		{
			self::$registryObjects[$type] = new static($type);
		}
		else
		{
			throw new MainArgumentException();
		}
	}

	return self::$registryObjects[$type];
}