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<?php
namespace Z38\SwissPayment;
/**
* QRReference
*/
class QRReference
{
const PATTERN = '/^[0-9]{27}$/';
* @var string
protected $reference;
* Constructor
*
* @param string $reference
* @throws \InvalidArgumentException When the reference is invalid.
public function __construct($reference)
if (!preg_match(self::PATTERN, $reference)) {
throw new \InvalidArgumentException('QR reference is not properly formatted.');
}
$this->reference = $reference;
* Returns a formatted representation of the reference
* @return string
public function format()
return $this->reference;
z38 /
swiss-payment
