IsoCodes\Iban::validate PHP 메소드

    public static function validate($iban)
    {
        // Per country validation rules
        static $rules = array('AL' => '[0-9]{8}[0-9A-Z]{16}', 'AD' => '[0-9]{8}[0-9A-Z]{12}', 'AT' => '[0-9]{16}', 'BE' => '[0-9]{12}', 'BA' => '[0-9]{16}', 'BG' => '[A-Z]{4}[0-9]{6}[0-9A-Z]{8}', 'HR' => '[0-9]{17}', 'CY' => '[0-9]{8}[0-9A-Z]{16}', 'CZ' => '[0-9]{20}', 'DK' => '[0-9]{14}', 'EE' => '[0-9]{16}', 'FO' => '[0-9]{14}', 'FI' => '[0-9]{14}', 'FR' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'PF' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'TF' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'GP' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'MQ' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'YT' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'NC' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'RE' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'BL' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'MF' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'PM' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'WF' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'GE' => '[0-9A-Z]{2}[0-9]{16}', 'DE' => '[0-9]{18}', 'GI' => '[A-Z]{4}[0-9A-Z]{15}', 'GR' => '[0-9]{7}[0-9A-Z]{16}', 'GL' => '[0-9]{14}', 'HU' => '[0-9]{24}', 'IS' => '[0-9]{22}', 'IE' => '[0-9A-Z]{4}[0-9]{14}', 'IL' => '[0-9]{19}', 'IT' => '[A-Z][0-9]{10}[0-9A-Z]{12}', 'KZ' => '[0-9]{3}[0-9A-Z]{3}[0-9]{10}', 'KW' => '[A-Z]{4}[0-9]{22}', 'LV' => '[A-Z]{4}[0-9A-Z]{13}', 'LB' => '[0-9]{4}[0-9A-Z]{20}', 'LI' => '[0-9]{5}[0-9A-Z]{12}', 'LT' => '[0-9]{16}', 'LU' => '[0-9]{3}[0-9A-Z]{13}', 'MK' => '[0-9]{3}[0-9A-Z]{10}[0-9]{2}', 'MT' => '[A-Z]{4}[0-9]{5}[0-9A-Z]{18}', 'MR' => '[0-9]{23}', 'MU' => '[A-Z]{4}[0-9]{19}[A-Z]{3}', 'MC' => '[0-9]{10}[0-9A-Z]{11}[0-9]{2}', 'ME' => '[0-9]{18}', 'NL' => '[A-Z]{4}[0-9]{10}', 'NO' => '[0-9]{11}', 'PL' => '[0-9]{24}', 'PT' => '[0-9]{21}', 'RO' => '[A-Z]{4}[0-9A-Z]{16}', 'SM' => '[A-Z][0-9]{10}[0-9A-Z]{12}', 'SA' => '[0-9]{2}[0-9A-Z]{18}', 'RS' => '[0-9]{18}', 'SK' => '[0-9]{20}', 'SI' => '[0-9]{15}', 'ES' => '[0-9]{20}', 'SE' => '[0-9]{20}', 'CH' => '[0-9]{5}[0-9A-Z]{12}', 'TN' => '[0-9]{20}', 'TR' => '[0-9]{5}[0-9A-Z]{17}', 'AE' => '[0-9]{19}', 'GB' => '[A-Z]{4}[0-9]{14}', 'CI' => '[0-9A-Z]{2}[0-9]{22}');
        // Min length check
        if (mb_strlen($iban) < 15) {
            return false;
        }
        // Fetch country code from IBAN
        $ctr = substr($iban, 0, 2);
        if (isset($rules[$ctr]) === false) {
            return false;
        }
        // Fetch country validation rule
        $check = substr($iban, 4);
        if (preg_match('~^' . $rules[$ctr] . '$~', $check) !== 1) {
            return false;
        }
        // Fetch needed string for validation
        $check = $check . substr($iban, 0, 4);
        // Replace characters by decimal values
        $check = str_replace(array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'), array('10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22', '23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35'), $check);
        // Final check
        return bcmod($check, 97) === '1';
    }

 /**
  * @param string $value
  */
 private function __construct($value)
 {
     Guard::true(empty($value) || IbanValidator::validate($value), 'Must be a valid IBAN (ISO 13616:2007)');
     $this->value = $value;
 }