OrderDiscountTable::getDiscountByHash

static function getDiscountByHash($hash)
{
	$hash = (string)$hash;
	if ($hash == '')
		return false;
	$result = 0;
	$discountIterator = self::getList(array(
		'select' => array('ID', 'DISCOUNT_HASH'),
		'filter' => array('=DISCOUNT_HASH' => $hash)
	));
	if ($discount = $discountIterator->fetch())
		$result = (int)$discount['ID'];
	unset($discount, $discountIterator);
	return $result;
}