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<?php
namespace Z38\SwissPayment;
/**
* PostalAccount holds details about a PostFinance account
*/
class PostalAccount
{
const PATTERN = '/^[0-9]{2}-[1-9][0-9]{0,5}-[0-9]$/';
* @var int
protected $prefix;
protected $number;
protected $checkDigit;
* Constructor
*
* @param string $postalAccount
* @throws \InvalidArgumentException When the account number is not valid (check digit is not being tested).
public function __construct($postalAccount)
if (!preg_match(self::PATTERN, $postalAccount)) {
throw new \InvalidArgumentException('Postal account number is not properly formatted.');
}
$parts = explode('-', $postalAccount);
if (!self::checkPrefix($parts[0])) {
throw new \InvalidArgumentException('Postal account number has an invalid prefix.');
$this->prefix = (int) $parts[0];
$this->number = (int) $parts[1];
$this->checkDigit = (int) $parts[2];
* Format the postal account number
* @return string The formatted account number
public function format()
return sprintf('%d-%d-%d', $this->prefix, $this->number, $this->checkDigit);
* Checks whether a given prefix is valid
* @param int $prefix The prefix to be checked
* @return bool True if the prefix is valid
private static function checkPrefix($prefix)
return in_array($prefix, array(
10, 12, 17, 18, 19,
20, 23, 25, 30, 34,
40, 45, 46, 49, 50,
60, 65, 69, 70, 80,
82, 84, 85, 87, 90,
91, 92,
));
z38 /
swiss-payment
