DiscountCompatibility::init

static function init($mode = self::MODE_CLIENT, $config = array())
{
	if (self::$init)
		return;
	self::clearErrors();
	self::initUseMode($mode, $config);
	if (!self::isSuccess())
		return;
	self::$basketBasePrice = array();
	self::$basketDiscountList = array();
	self::$basketItemsData = array();
	self::$useCompatible = true;
	SaleOrderDiscountManager::setManagerConfig(self::$config);
	self::$saved = false;
	self::$repeatSave = false;
	self::$init = true;
}