LdapTools\Ldif\UrlLoader\BaseUrlLoader::load PHP Method

    public function load($url)
    {
        $contents = @file_get_contents($url);
        if ($contents === false) {
            throw new LdifUrlLoaderException(sprintf('Unable to load URL. Check the URL and your "allow_url_fopen" setting', $url));
        }
        return $contents;
    }