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<?php |
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namespace Z38\SwissPayment; |
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use DOMDocument; |
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use InvalidArgumentException; |
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/** |
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* IID holds a Swiss institutional identification number (formerly known as BC number) |
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*/ |
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class IID implements FinancialInstitutionInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $iid; |
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/** |
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* Constructor |
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* |
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* @param string $iid |
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* |
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* @throws \InvalidArgumentException When the IID does contain invalid characters or the length does not match. |
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*/ |
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public function __construct($iid) |
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{ |
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$iid = (string) $iid; |
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if (!preg_match('/^[0-9]{3,5}$/', $iid)) { |
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throw new InvalidArgumentException('IID is not properly formatted.'); |
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} |
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$this->iid = str_pad($iid, 5, '0', STR_PAD_LEFT); |
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} |
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/** |
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* Extracts the IID from an IBAN |
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* |
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* @param IBAN $iban |
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* |
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* @throws \InvalidArgumentException When the supplied IBAN is not from a supported country. |
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*/ |
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public static function fromIBAN(IBAN $iban) |
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{ |
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if (!in_array($iban->getCountry(), ['CH', 'LI'])) { |
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throw new InvalidArgumentException('IID can only be extracted from Swiss and Lichtenstein IBANs.'); |
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} |
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return new self(substr($iban->normalize(), 4, 5)); |
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} |
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/** |
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* Returns a formatted representation of the IID |
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* |
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* @return string The formatted IID |
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*/ |
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public function format() |
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{ |
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return $this->iid; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function asDom(DOMDocument $doc) |
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{ |
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$xml = $doc->createElement('FinInstnId'); |
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$clearingSystem = $doc->createElement('ClrSysMmbId'); |
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$clearingSystemId = $doc->createElement('ClrSysId'); |
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$clearingSystemId->appendChild($doc->createElement('Cd', 'CHBCC')); |
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$clearingSystem->appendChild($clearingSystemId); |
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$clearingSystem->appendChild($doc->createElement('MmbId', ltrim($this->iid, '0'))); // strip zeroes for legacy systems |
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$xml->appendChild($clearingSystem); |
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return $xml; |
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} |
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} |
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z38 /
swiss-payment
