detectFromInputAndDirectory(new ArgvInput(), __DIR__ . '/../config/level'); // And from --config or default one ConfigFileFinder::detectFromInput('rector', new ArgvInput()); $configFiles[] = ConfigFileFinder::provide('rector', ['rector.yml', 'rector.yaml']); // remove empty values $configFiles = array_filter($configFiles); // 3. Build DI container $containerFactory = new ContainerFactory(); if ($configFiles) { return $containerFactory->createWithConfigFiles($configFiles); } return $containerFactory->create();