Acymailing subscribe checkbox

function onHikashopBeforeDisplayView(&$view){
		$config = hikashop_config();
		if($config->get('checkout_legacy',0))
			return true;
		$viewName = $view->getName();
		if($viewName != 'checkout')
			return true;

		if(!isset($view->workflow_step) || !isset($view->workflow) || !isset($view->workflow['steps'][$view->workflow_step]['content']))
			return true;

		if(!isset($view->extraData))
			$view->extraData = array();
		$after = ($this->params->get('fieldafter','password') == 'email') ? 'top' : 'middle';
		$subText = $this->params->get('captchatext');
		if(empty($subText)){
			$subText = JText::_('Captcha');
		}

		$c = new hikaShopRecaptcha2();
		$html = '<div class="hkform-group control-group hikashop_registration_recaptcha_line" id="hikashop_registration_recaptcha_line"><label id="captchamsg" for="grecaptcha" class="hkc-sm-4 hkcontrol-label" title="">'.$subText.'*</label><div class="hkc-sm-8">'.$c->recaptcha_get_html($this->params->get('public_key'),$this->params->get('theme'), @$view->ajax).'</div></div>';
		foreach($view->workflow['steps'][$view->workflow_step]['content'] as $k => $v) {
			if($v['task'] != 'login')
				continue;
			if(!isset($view->extraData[$k]))
				$view->extraData[$k] = new stdClass();
			if(!isset($view->extraData[$k]->$after))
				$view->extraData[$k]->$after = array();

			$view->extraData[$k]->$after[] = $html;
		}
	}