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<?php
namespace byrokrat\banking\Validator;
use byrokrat\banking\Validator;
use byrokrat\banking\AccountNumber;
use byrokrat\banking\Exception\InvalidCheckDigitException;
use byrokrat\checkdigit\Modulo10;
/**
* Validate clearing number check digits
*/
class ClearingCheckDigitValidator implements Validator
{
* @var Modulo10 Checksum calculator
private $checksum;
* Load checksum calculator
*
* @param Modulo10 $checksum
public function __construct(Modulo10 $checksum = null)
$this->checksum = $checksum ?: new Modulo10;
}
* Validate clearing number check digit
* If no clearing check digit exists number is considered valid.
* @param AccountNumber $number
* @return null
* @throws InvalidCheckDigitException If check digit is not valid
public function validate(AccountNumber $number)
if ($checkDigit = $number->getClearingCheckDigit()) {
if (!$this->checksum->isValid($number->getClearingNumber() . $checkDigit)) {
throw new InvalidCheckDigitException("Invalid clearing number check digit in $number");
byrokrat /
banking
