Kdyby\Translation\DI\TranslationExtension::loadResourcesFromDirs PHP Method

    protected function loadResourcesFromDirs($dirs)
    {
        $builder = $this->getContainerBuilder();
        $config = $this->getConfig();
        $whitelistRegexp = Kdyby\Translation\Translator::buildWhitelistRegexp($config['whitelist']);
        $translator = $builder->getDefinition($this->prefix('default'));
        $mask = array_map(function ($value) {
            return '*.*.' . $value;
        }, array_keys($this->loaders));
        foreach (Finder::findFiles($mask)->from($dirs) as $file) {
            /** @var \SplFileInfo $file */
            if (!($m = Strings::match($file->getFilename(), '~^(?P<domain>.*?)\\.(?P<locale>[^\\.]+)\\.(?P<format>[^\\.]+)$~'))) {
                continue;
            }
            if ($whitelistRegexp && !preg_match($whitelistRegexp, $m['locale']) && $builder->parameters['productionMode']) {
                continue;
                // ignore in production mode, there is no need to pass the ignored resources
            }
            $this->validateResource($m['format'], $file->getPathname(), $m['locale'], $m['domain']);
            $translator->addSetup('addResource', [$m['format'], $file->getPathname(), $m['locale'], $m['domain']]);
            $builder->addDependency($file->getPathname());
        }
    }