ControllerResolver::resolveVendor

static function resolveVendor(string $controllerName): array
{
	[$vendor, $controllerName] = explode(':', $controllerName) + [null, null];

	if (!$controllerName)
	{
		$controllerName = $vendor;
		$vendor = self::DEFAULT_VENDOR;
	}

	return [$vendor, $controllerName];
}