$keys The services keys to resolve. * * @return array A list containing the resolved service values, in the same order as in $keys. */ protected function resolveKeys(ContainerInterface $c, array $keys): array { return array_values($this->resolveDeps($c, $keys)); } /** * Resolves a set of service keys using a given container. * * @param ContainerInterface $c The container to use for service resolution. * @param array $keys The services keys to resolve. * * @return array A map of specified service keys to their resolved values, * in the same order as in $keys. */ protected function resolveDeps(ContainerInterface $c, array $keys): array { return iterator_to_array((function () use ($c, $keys): Generator { foreach ($keys as $key) { yield $key => $c->get($key); } })()); } }