private function recaptcha($publicKey, $privateKey, $secure)
{
$preferencesService = $this->container->get('system_preferences_service');
$preferencesService->RecaptchaPublicKey = strip_tags($publicKey);
$preferencesService->RecaptchaPrivateKey = strip_tags($privateKey);
$preferencesService->RecaptchaSecure = strip_tags($secure);
}