BaseComponent::getFromParamsOrRequest

protected function getFromParamsOrRequest($arParams, $name, $type)
{
	$value = array_key_exists($name, $arParams) ? $arParams[$name] : $this->getRequest()->get($name);
	if ($type === 'int')
	{
		if (!is_null($value) && $value >= 0)
		{
			$value = (int)$value;
		}
		else
		{
			$value = null;
		}
	}
	return $value;
}