Noherczeg\Breadcrumb\Breadcrumb::loadBuilders PHP Метод

    private function loadBuilders()
    {
        $list = array();
        $builderDirectory = __DIR__ . DIRECTORY_SEPARATOR . 'Builders';
        $excluded = array('Builder.php', '.', '..');
        if (!is_dir($builderDirectory)) {
            throw new \Exception('Can\'t open builder directory, maybe it doesn\'t exists?');
        }
        $handle = opendir($builderDirectory);
        if (!$handle) {
            throw new \Exception('Can\'t open builder directory, check the permissions!');
        }
        while (($entry = readdir($handle)) !== false) {
            if (!in_array($entry, $excluded)) {
                $list[] = strtolower(substr($entry, 0, -11));
            }
        }
        return $list;
    }