gistfile1.txt

    public function load(array $configs, ContainerBuilder $container)
    {
        $loader = new Loader\YamlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
        $loader->load('services.yml');

        $config = array();
        foreach ($configs as $subConfig) {
            $config = array_merge($config, $subConfig);
        }

        $container->setParameter('xxx_yyy', $config);
    }