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<?php |
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namespace CMPayments; |
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use CMPayments\Exception\InvalidChecksum; |
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use CMPayments\Exception\InvalidCountry; |
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use CMPayments\Exception\InvalidFormat; |
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use CMPayments\Exception\InvalidLength; |
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9
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/** |
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* IBAN information and validation library |
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* |
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* based on https://github.com/jschaedl/Iban by Jan Schaedlich <[email protected]> |
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* |
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* @category Utility |
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* @package IBAN |
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* @author Bas Peters <[email protected]> |
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* |
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* @link https://github.com/cmpayments/iban |
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*/ |
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class IBAN |
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{ |
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/** |
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* Semantic IBAN structure constants |
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*/ |
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const COUNTRY_CODE_OFFSET = 0; |
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const COUNTRY_CODE_LENGTH = 2; |
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const CHECKSUM_OFFSET = 2; |
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const CHECKSUM_LENGTH = 2; |
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const ACCOUNT_IDENTIFICATION_OFFSET = 4; |
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const INSTITUTE_IDENTIFICATION_OFFSET = 4; |
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const INSTITUTE_IDENTIFICATION_LENGTH = 4; |
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const BANK_ACCOUNT_NUMBER_OFFSET = 8; |
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const BANK_ACCOUNT_NUMBER_LENGTH = 10; |
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/** |
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* @var array Country code to size, regex format for each country that supports IBAN |
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*/ |
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public static $ibanFormatMap = [ |
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'AA' => [12, '^[A-Z0-9]{12}$'], |
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'AD' => [20, '^[0-9]{4}[0-9]{4}[A-Z0-9]{12}$'], |
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'AE' => [19, '^[0-9]{3}[0-9]{16}$'], |
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'AL' => [24, '^[0-9]{8}[A-Z0-9]{16}$'], |
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'AO' => [21, '^[0-9]{21}$'], |
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'AT' => [16, '^[0-9]{5}[0-9]{11}$'], |
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'AX' => [14, '^[0-9]{6}[0-9]{7}[0-9]{1}$'], |
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'AZ' => [24, '^[A-Z]{4}[A-Z0-9]{20}$'], |
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'BA' => [16, '^[0-9]{3}[0-9]{3}[0-9]{8}[0-9]{2}$'], |
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'BE' => [12, '^[0-9]{3}[0-9]{7}[0-9]{2}$'], |
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'BF' => [23, '^[0-9]{23}$'], |
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'BG' => [18, '^[A-Z]{4}[0-9]{4}[0-9]{2}[A-Z0-9]{8}$'], |
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'BH' => [18, '^[A-Z]{4}[A-Z0-9]{14}$'], |
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'BI' => [12, '^[0-9]{12}$'], |
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'BJ' => [24, '^[A-Z]{1}[0-9]{23}$'], |
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'BL' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'BR' => [25, '^[0-9]{8}[0-9]{5}[0-9]{10}[A-Z]{1}[A-Z0-9]{1}$'], |
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'CH' => [17, '^[0-9]{5}[A-Z0-9]{12}$'], |
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'CI' => [24, '^[A-Z]{1}[0-9]{23}$'], |
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'CM' => [23, '^[0-9]{23}$'], |
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'CR' => [17, '^[0-9]{4}[0-9]{13}$'], |
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'CV' => [21, '^[0-9]{21}$'], |
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'CY' => [24, '^[0-9]{3}[0-9]{5}[A-Z0-9]{16}$'], |
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'CZ' => [20, '^[0-9]{4}[0-9]{6}[0-9]{10}$'], |
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'DE' => [18, '^[0-9]{8}[0-9]{10}$'], |
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'DK' => [14, '^[0-9]{4}[0-9]{9}[0-9]{1}$'], |
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'DO' => [24, '^[A-Z0-9]{4}[0-9]{20}$'], |
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'DZ' => [20, '^[0-9]{20}$'], |
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'EE' => [16, '^[0-9]{2}[0-9]{2}[0-9]{11}[0-9]{1}$'], |
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'ES' => [20, '^[0-9]{4}[0-9]{4}[0-9]{1}[0-9]{1}[0-9]{10}$'], |
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'FI' => [14, '^[0-9]{6}[0-9]{7}[0-9]{1}$'], |
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'FO' => [14, '^[0-9]{4}[0-9]{9}[0-9]{1}$'], |
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'FR' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'GB' => [18, '^[A-Z]{4}[0-9]{6}[0-9]{8}$'], |
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'GE' => [18, '^[A-Z]{2}[0-9]{16}$'], |
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'GF' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'GI' => [19, '^[A-Z]{4}[A-Z0-9]{15}$'], |
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'GL' => [14, '^[0-9]{4}[0-9]{9}[0-9]{1}$'], |
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'GP' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'GR' => [23, '^[0-9]{3}[0-9]{4}[A-Z0-9]{16}$'], |
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'GT' => [24, '^[A-Z0-9]{4}[A-Z0-9]{20}$'], |
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'HR' => [17, '^[0-9]{7}[0-9]{10}$'], |
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'HU' => [24, '^[0-9]{3}[0-9]{4}[0-9]{1}[0-9]{15}[0-9]{1}$'], |
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'IE' => [18, '^[A-Z]{4}[0-9]{6}[0-9]{8}$'], |
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'IL' => [19, '^[0-9]{3}[0-9]{3}[0-9]{13}$'], |
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'IR' => [22, '^[0-9]{22}$'], |
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'IS' => [22, '^[0-9]{4}[0-9]{2}[0-9]{6}[0-9]{10}$'], |
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'IT' => [23, '^[A-Z]{1}[0-9]{5}[0-9]{5}[A-Z0-9]{12}$'], |
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'JO' => [26, '^[A-Z]{4}[0-9]{4}[A-Z0-9]{18}$'], |
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'KW' => [26, '^[A-Z]{4}[A-Z0-9]{22}$'], |
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'KZ' => [16, '^[0-9]{3}[A-Z0-9]{13}$'], |
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'LB' => [24, '^[0-9]{4}[A-Z0-9]{20}$'], |
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'LC' => [28, '^[A-Z]{4}[A-Z0-9]{24}$'], |
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'LI' => [17, '^[0-9]{5}[A-Z0-9]{12}$'], |
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'LT' => [16, '^[0-9]{5}[0-9]{11}$'], |
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'LU' => [16, '^[0-9]{3}[A-Z0-9]{13}$'], |
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'LV' => [17, '^[A-Z]{4}[A-Z0-9]{13}$'], |
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'MC' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'MD' => [20, '^[A-Z0-9]{2}[A-Z0-9]{18}$'], |
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'ME' => [18, '^[0-9]{3}[0-9]{13}[0-9]{2}$'], |
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'MF' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'MG' => [23, '^[0-9]{23}$'], |
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'MK' => [15, '^[0-9]{3}[A-Z0-9]{10}[0-9]{2}$'], |
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'ML' => [24, '^[A-Z]{1}[0-9]{23}$'], |
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'MQ' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'MR' => [23, '^[0-9]{5}[0-9]{5}[0-9]{11}[0-9]{2}$'], |
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'MT' => [27, '^[A-Z]{4}[0-9]{5}[A-Z0-9]{18}$'], |
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'MU' => [26, '^[A-Z]{4}[0-9]{2}[0-9]{2}[0-9]{12}[0-9]{3}[A-Z]{3}$'], |
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'MZ' => [21, '^[0-9]{21}$'], |
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'NC' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'NL' => [14, '^[A-Z]{4}[0-9]{10}$'], |
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'NO' => [11, '^[0-9]{4}[0-9]{6}[0-9]{1}$'], |
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'PF' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'PK' => [20, '^[A-Z]{4}[A-Z0-9]{16}$'], |
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'PL' => [24, '^[0-9]{8}[0-9]{16}$'], |
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'PM' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'PS' => [25, '^[A-Z]{4}[A-Z0-9]{21}$'], |
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'PT' => [21, '^[0-9]{4}[0-9]{4}[0-9]{11}[0-9]{2}$'], |
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'QA' => [25, '^[A-Z]{4}[0-9]{4}[A-Z0-9]{17}$'], |
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'RE' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'RO' => [20, '^[A-Z]{4}[A-Z0-9]{16}$'], |
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'RS' => [18, '^[0-9]{3}[0-9]{13}[0-9]{2}$'], |
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'SA' => [20, '^[0-9]{2}[A-Z0-9]{18}$'], |
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'SC' => [27, '^[A-Z]{4}[0-9]{4}[0-9]{16}[A-Z]{3}$'], |
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'SE' => [20, '^[0-9]{3}[0-9]{16}[0-9]{1}$'], |
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'SI' => [15, '^[0-9]{5}[0-9]{8}[0-9]{2}$'], |
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'SK' => [20, '^[0-9]{4}[0-9]{6}[0-9]{10}$'], |
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'SM' => [23, '^[A-Z]{1}[0-9]{5}[0-9]{5}[A-Z0-9]{12}$'], |
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'SN' => [24, '^[A-Z]{1}[0-9]{23}$'], |
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'ST' => [21, '^[0-9]{8}[0-9]{11}[0-9]{2}$'], |
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'TF' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'TL' => [19, '^[0-9]{3}[0-9]{14}[0-9]{2}$'], |
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'TN' => [20, '^[0-9]{2}[0-9]{3}[0-9]{13}[0-9]{2}$'], |
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'TR' => [22, '^[0-9]{5}[0-9]{1}[A-Z0-9]{16}$'], |
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'UA' => [25, '^[0-9]{6}[A-Z0-9]{19}$'], |
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'VG' => [20, '^[A-Z]{4}[0-9]{16}$'], |
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'WF' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'], |
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'XK' => [16, '^[0-9]{4}[0-9]{10}[0-9]{2}$'], |
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'YT' => [23, '^[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}$'] |
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]; |
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/** |
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* @var string Internal IBAN number |
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*/ |
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private $iban; |
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/** |
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* IBAN constructor. |
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* |
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* @param $iban |
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*/ |
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public function __construct($iban) |
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{ |
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$this->iban = $this->normalize($iban); |
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} |
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/** |
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* Validate the supplied IBAN and throw exception when validation fails |
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* @throws InvalidChecksum |
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* @throws InvalidCountry |
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* @throws InvalidFormat |
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* @throws InvalidLength |
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*/ |
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public function check() |
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{ |
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if (!$this->isCountryCodeValid()) { |
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throw new InvalidCountry("IBAN ({$this->iban}) country code not valid or not supported"); |
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} |
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if (!$this->isLengthValid()) { |
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throw new InvalidLength("IBAN ({$this->iban}) length is invalid"); |
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} |
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if (!$this->isFormatValid()) { |
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throw new InvalidFormat("IBAN ({$this->iban}) format is invalid"); |
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} |
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if (!$this->isChecksumValid()) { |
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throw new InvalidChecksum("IBAN ({$this->iban}) checksum is invalid"); |
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} |
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} |
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/** |
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* Validates the supplied IBAN and provides passthrough failure message when validation fails |
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* |
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* @param null $error passthrough variable |
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* |
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* @return bool |
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*/ |
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public function validate(&$error = null) |
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{ |
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if (!$this->isCountryCodeValid()) { |
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$error = 'IBAN country code not valid or not supported'; |
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} elseif (!$this->isLengthValid()) { |
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$error = 'IBAN length is invalid'; |
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} elseif (!$this->isFormatValid()) { |
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$error = 'IBAN format is invalid'; |
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} elseif (!$this->isChecksumValid()) { |
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$error = 'IBAN checksum is invalid'; |
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} else { |
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$error = ''; |
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return true; |
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} |
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return false; |
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} |
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207
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/** |
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* @return string |
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*/ |
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public function __toString() |
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{ |
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return $this->format(); |
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} |
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214
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215
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/** |
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216
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* Pretty print IBAN |
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* |
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* @return string |
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*/ |
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public function format() |
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{ |
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return sprintf( |
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'%s %s %s %s %s', |
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$this->getCountryCode() . $this->getChecksum(), |
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substr($this->getInstituteIdentification(), 0, 4), |
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substr($this->getBankAccountNumber(), 0, 4), |
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substr($this->getBankAccountNumber(), 4, 4), |
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substr($this->getBankAccountNumber(), 8, 2) |
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); |
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} |
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232
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/** |
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233
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* Extract country code from IBAN |
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* |
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* @return string |
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*/ |
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public function getCountryCode() |
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238
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{ |
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return substr($this->iban, static::COUNTRY_CODE_OFFSET, static::COUNTRY_CODE_LENGTH); |
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} |
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242
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/** |
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243
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* Extract checksum number from IBAN |
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244
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* |
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245
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* @return string |
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246
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*/ |
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247
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public function getChecksum() |
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248
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{ |
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249
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return substr($this->iban, static::CHECKSUM_OFFSET, static::CHECKSUM_LENGTH); |
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250
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} |
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251
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252
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/** |
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253
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* Extract Account Identification from IBAN |
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254
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* |
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255
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* @return string |
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256
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*/ |
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257
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public function getAccountIdentification() |
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258
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{ |
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259
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return substr($this->iban, static::ACCOUNT_IDENTIFICATION_OFFSET); |
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260
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} |
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261
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262
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/** |
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263
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* Extract Institute from IBAN |
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264
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* |
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265
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* @return string |
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266
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*/ |
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267
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public function getInstituteIdentification() |
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268
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{ |
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269
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return substr($this->iban, static::INSTITUTE_IDENTIFICATION_OFFSET, static::INSTITUTE_IDENTIFICATION_LENGTH); |
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270
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} |
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271
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272
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/** |
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273
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* Extract Bank Account number from IBAN |
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274
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* |
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275
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* @return string |
|
276
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*/ |
|
277
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public function getBankAccountNumber() |
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278
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{ |
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279
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return substr($this->iban, static::BANK_ACCOUNT_NUMBER_OFFSET, static::BANK_ACCOUNT_NUMBER_LENGTH); |
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280
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} |
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281
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|
282
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|
283
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/** |
|
284
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* Validate IBAN length boundaries |
|
285
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* |
|
286
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* @return bool |
|
287
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|
*/ |
|
288
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|
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private function isLengthValid() |
|
289
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{ |
|
290
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|
|
$countryCode = $this->getCountryCode(); |
|
291
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|
|
$validLength = static::COUNTRY_CODE_LENGTH + static::CHECKSUM_LENGTH + static::$ibanFormatMap[$countryCode][0]; |
|
292
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|
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|
|
293
|
|
|
return strlen($this->iban) === $validLength; |
|
294
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|
|
} |
|
295
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|
|
296
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|
|
/** |
|
297
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|
|
* Validate IBAN country code |
|
298
|
|
|
* |
|
299
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|
|
* @return bool |
|
300
|
|
|
*/ |
|
301
|
|
|
private function isCountryCodeValid() |
|
302
|
|
|
{ |
|
303
|
|
|
$countryCode = $this->getCountryCode(); |
|
304
|
|
|
|
|
305
|
|
|
return !(isset(static::$ibanFormatMap[$countryCode]) === false); |
|
306
|
|
|
} |
|
307
|
|
|
|
|
308
|
|
|
/** |
|
309
|
|
|
* Validate the IBAN format according to the country code |
|
310
|
|
|
* |
|
311
|
|
|
* @return bool |
|
312
|
|
|
*/ |
|
313
|
|
|
private function isFormatValid() |
|
314
|
|
|
{ |
|
315
|
|
|
$countryCode = $this->getCountryCode(); |
|
316
|
|
|
$accountIdentification = $this->getAccountIdentification(); |
|
317
|
|
|
|
|
318
|
|
|
return !(preg_match('/' . static::$ibanFormatMap[$countryCode][1] . '/', $accountIdentification) !== 1); |
|
319
|
|
|
} |
|
320
|
|
|
|
|
321
|
|
|
/** |
|
322
|
|
|
* Validates if the checksum number is valid according to the IBAN |
|
323
|
|
|
* |
|
324
|
|
|
* @return bool |
|
325
|
|
|
*/ |
|
326
|
|
|
private function isChecksumValid() |
|
327
|
|
|
{ |
|
328
|
|
|
$countryCode = $this->getCountryCode(); |
|
329
|
|
|
$checksum = $this->getChecksum(); |
|
330
|
|
|
$accountIdentification = $this->getAccountIdentification(); |
|
331
|
|
|
$numericCountryCode = $this->getNumericCountryCode($countryCode); |
|
332
|
|
|
$numericAccountIdentification = $this->getNumericAccountIdentification($accountIdentification); |
|
333
|
|
|
$invertedIban = $numericAccountIdentification . $numericCountryCode . $checksum; |
|
334
|
|
|
|
|
335
|
|
|
return $this->bcmod($invertedIban, 97) === '1'; |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
/** |
|
339
|
|
|
* Extract country code from the IBAN as numeric code |
|
340
|
|
|
* |
|
341
|
|
|
* @param $countryCode |
|
342
|
|
|
* |
|
343
|
|
|
* @return string |
|
344
|
|
|
*/ |
|
345
|
|
|
private function getNumericCountryCode($countryCode) |
|
346
|
|
|
{ |
|
347
|
|
|
return $this->getNumericRepresentation($countryCode); |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
/** |
|
351
|
|
|
* Extract account identification from the IBAN as numeric value |
|
352
|
|
|
* |
|
353
|
|
|
* @param $accountIdentification |
|
354
|
|
|
* |
|
355
|
|
|
* @return string |
|
356
|
|
|
*/ |
|
357
|
|
|
private function getNumericAccountIdentification($accountIdentification) |
|
358
|
|
|
{ |
|
359
|
|
|
return $this->getNumericRepresentation($accountIdentification); |
|
360
|
|
|
} |
|
361
|
|
|
|
|
362
|
|
|
/** |
|
363
|
|
|
* Retrieve numeric presentation of a letter part of the IBAN |
|
364
|
|
|
* |
|
365
|
|
|
* @param $letterRepresentation |
|
366
|
|
|
* |
|
367
|
|
|
* @return string |
|
368
|
|
|
*/ |
|
369
|
|
|
private function getNumericRepresentation($letterRepresentation) |
|
370
|
|
|
{ |
|
371
|
|
|
$numericRepresentation = ''; |
|
372
|
|
|
|
|
373
|
|
|
foreach (str_split($letterRepresentation) as $char) { |
|
374
|
|
|
$ord = ord($char); |
|
375
|
|
|
if ($ord >= 65 && $ord <= 90) { |
|
376
|
|
|
$numericRepresentation .= (string)($ord - 55); |
|
377
|
|
|
} elseif ($ord >= 48 && $ord <= 57) { |
|
378
|
|
|
$numericRepresentation .= (string)($ord - 48); |
|
379
|
|
|
} |
|
380
|
|
|
} |
|
381
|
|
|
|
|
382
|
|
|
return $numericRepresentation; |
|
383
|
|
|
} |
|
384
|
|
|
|
|
385
|
|
|
/** |
|
386
|
|
|
* Normailze IBAN by removing non-relevant characters and proper casing |
|
387
|
|
|
* |
|
388
|
|
|
* @param $iban |
|
389
|
|
|
* |
|
390
|
|
|
* @return mixed|string |
|
391
|
|
|
*/ |
|
392
|
|
|
private function normalize($iban) |
|
393
|
|
|
{ |
|
394
|
|
|
return preg_replace('/[^a-z0-9]+/i', '', trim(strtoupper($iban))); |
|
395
|
|
|
} |
|
396
|
|
|
|
|
397
|
|
|
/** |
|
398
|
|
|
* Get modulus of an arbitrary precision number |
|
399
|
|
|
* |
|
400
|
|
|
* @param $x |
|
401
|
|
|
* @param $y |
|
402
|
|
|
* |
|
403
|
|
|
* @return string |
|
404
|
|
|
*/ |
|
405
|
|
|
private function bcmod($x, $y) |
|
406
|
|
|
{ |
|
407
|
|
|
if (!function_exists('bcmod')) { |
|
408
|
|
|
$take = 5; |
|
409
|
|
|
$mod = ''; |
|
410
|
|
|
|
|
411
|
|
|
do { |
|
412
|
|
|
$a = (int)$mod . substr($x, 0, $take); |
|
413
|
|
|
$x = substr($x, $take); |
|
414
|
|
|
$mod = $a % $y; |
|
415
|
|
|
} while (strlen($x)); |
|
416
|
|
|
|
|
417
|
|
|
return (string)$mod; |
|
418
|
|
|
} else { |
|
419
|
|
|
return bcmod($x, $y); |
|
420
|
|
|
} |
|
421
|
|
|
} |
|
422
|
|
|
} |
|
423
|
|
|
|
cmpayments /
iban
