if ($request->getPost('is_captcha') == 'true'){
	CModule::IncludeModule('iqonline.recaptcha');
	$res_captcha = iqonline\recaptcha\recaptcha::check_recaptcha($_REQUEST['g-recaptcha-response']);
	if (!$res_captcha['success']) {
		$arResult["ERROR_MESSAGE"][] = Loc::getMessage("WRONG_CAPTCHA")."<br />";
	}
}

#OLD CAPTCHA
// if(!empty($captchaSid) && !$APPLICATION->CaptchaCheckCode($captchaWord, $captchaSid)){
// 	$arResult["ERROR_MESSAGE"][] = Loc::getMessage("WRONG_CAPTCHA")."<br />";
// }