api-platform / core

    private function registerDataProviders(ContainerBuilder $container, string $type) {

        $sortedServices = [];

        foreach ($container->findTaggedServiceIds('api_platform.'.$type.'_data_provider') as $serviceId => $tags) {

            foreach ($tags as $tag) {

                $priority = isset($tag['priority']) ? $tag['priority'] : 0;

                $sortedServices[$priority][] = new Reference($serviceId);

            }

        }

        krsort($sortedServices);

        $container->getDefinition('api_platform.'.$type.'_data_provider')->addArgument(call_user_func_array('array_merge', $sortedServices));

    private function findSortedServices(ContainerBuilder $container, $tag)

    {

        $extensions = [];

        foreach ($container->findTaggedServiceIds($tag) as $serviceId => $tags) {

            foreach ($tags as $tag) {

                $priority = isset($tag['priority']) ? $tag['priority'] : 0;

                $extensions[$priority][] = new Reference($serviceId);

            }

        }

        krsort($extensions);

        // Flatten the array