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<?php
namespace Z38\SwissPayment\PaymentInformation;
use DOMDocument;
use InvalidArgumentException;
/**
* CategoryPurposeCode contains a category purpose code from the External Code Sets
*/
class CategoryPurposeCode
{
* @var string
protected $code;
* Constructor
*
* @param string $code
* @throws InvalidArgumentException When the code is not valid
public function __construct($code)
$code = (string) $code;
if (!preg_match('/^[A-Z]{4}$/', $code)) {
throw new InvalidArgumentException('The category purpose code is not valid.');
}
$this->code = $code;
* Returns a XML representation of this purpose
* @param \DOMDocument $doc
* @return \DOMElement The built DOM element
public function asDom(DOMDocument $doc)
return $doc->createElement('Cd', $this->code);
z38 /
swiss-payment
