StackFormation\Config::__construct PHP Метод

    public function __construct(array $files = null)
    {
        $files = is_null($files) ? $this->findAllConfigurationFiles() : $files;
        if (count($files) == 0) {
            throw new \StackFormation\Exception\NoBlueprintsFoundException("Could not find any blueprints.yml configuration files");
        }
        $yamlParser = new \Symfony\Component\Yaml\Parser();
        $config = [];
        $stacknames = [];
        foreach ($files as $file) {
            $basePath = dirname(realpath($file));
            $tmp = $yamlParser->parse(file_get_contents($file));
            if (isset($tmp['blueprints']) && is_array($tmp['blueprints'])) {
                foreach ($tmp['blueprints'] as &$blueprintConfig) {
                    // check for multiple usage of the same stackname
                    $stackname = $blueprintConfig['stackname'];
                    if (in_array($stackname, $stacknames)) {
                        throw new \Exception("Stackname '{$stackname}' was declared more than once.");
                    }
                    if (empty($blueprintConfig['template'])) {
                        throw new \Exception("Stackname '{$stackname}' does not specify a template.");
                    }
                    $stacknames[] = $stackname;
                    $blueprintConfig['basepath'] = $basePath;
                }
            }
            $config[] = $tmp;
        }
        $processor = new \Symfony\Component\Config\Definition\Processor();
        $this->conf = $processor->processConfiguration(new ConfigTreeBuilder(), $config);
    }