protected function generateCheckoutURLForCustomer($customerHash, $articleNumber)
    {
        return sprintf(
            'https://app.monsum.com/checkout/0/%s/%s/%s',
            $this->transport->getCredentials()->getAccountHash(),
            $customerHash,
            $articleNumber
        );
    }
protected function generateCheckoutURLForCustomer($customerHash, $articleNumber)
    {
        return sprintf(
            'https://app.monsum.com/checkout/0/%s/%s/%s',
            $this->transport->getCredentials()->getAccountHash(),
            $customerHash,
            $articleNumber
        );
    }
protected function generateCheckoutURLForCustomer ( $ customerHash , $ articleNumber ) { return sprintf ( 'https://app.monsum.com/checkout/0/%s/%s/%s' , $ this -> transport -> getCredentials ( ) -> getAccountHash ( ) , $ customerHash , $ articleNumber ) ; }
Get the checkout URL of an article for a customer.

@param string $customerHash The customer hash.
@param string $articleNumber The article number.
@return string
Get the checkout URL of an article for a customer .