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96 lines
2.6 KiB
PHP
96 lines
2.6 KiB
PHP
<?php
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/**
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* Informatica Eindproject D4p
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* 6in3, Stedelijk Gymnasium Nijmegen
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* Docent: Hans de Wolf
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*
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* ==================
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*
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* Daniel Boutros,
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* Christiaan Goossens,
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* Jelmer Hinssen
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*/
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namespace Inforbank\Application\Helper;
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class IBAN
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{
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private static function wordToNumbers($word)
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{
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$newword = "";
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$wordarray = str_split($word);
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foreach ($wordarray as $v) {
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if (ctype_alpha($v)) {
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$newword .= ord(strtolower($v)) - 87;
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} else {
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$newword .= $v;
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}
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}
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return $newword;
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}
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private static function getCheckDigits($bignum)
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{
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//Modulo staartdeling
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$modulo97 = (int)substr($bignum, 0, 6);
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$modulo97 = $modulo97 % 97;
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$modulo97 = (1000000 * $modulo97) + (int)substr($bignum, 6, 6);
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$modulo97 = $modulo97 % 97;
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$modulo97 = (1000000 * $modulo97) + (int)substr($bignum, 12, 6);
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$modulo97 = $modulo97 % 97;
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$modulo97 = (1000000 * $modulo97) + (int)substr($bignum, 18, 6);
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$modulo97 = $modulo97 % 97;
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$checkdigits = 98 - $modulo97;
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if (strlen($checkdigits) < 2) {
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$checkdigits = '0' . $checkdigits;
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}
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return $checkdigits;
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}
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public static function isValidIBAN($iban)
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{
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$iban = str_replace(" ", "", $iban);
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$landcode = substr($iban, 0, 2);
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$controle = substr($iban, 2, 2);
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$identificatie = substr($iban, 4);
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$identificatie .= $landcode;
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$identificatie .= "00";
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$nummer = self::wordToNumbers($identificatie);
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return $controle == self::getCheckDigits($nummer);
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}
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public static function getRekeningNummer($iban)
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{
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return substr(str_replace(" ", "", $iban), 8);
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}
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public static function getBank($iban)
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{
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return substr(str_replace(" ", "", $iban), 4, 4);
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}
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public static function getLand($iban)
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{
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return substr(str_replace(" ", "", $iban), 0, 2);
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}
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public static function getIBAN($rekeningnr)
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{
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$landcode = "NL"; // NL in vertaling
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$landnumber = self::wordToNumbers($landcode);
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$bankcode = "INFO";
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$banknumber = self::wordToNumbers($bankcode);
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$rekeningnr = str_pad($rekeningnr, 10, 0, STR_PAD_LEFT);
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$bignum = $banknumber . $rekeningnr . $landnumber . "00";
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$checkdigits = self::getCheckDigits($bignum);
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$rekeningnrarr = str_split($rekeningnr, 4);
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return $landcode.$checkdigits." ".$bankcode." ".$rekeningnrarr[0]." ".$rekeningnrarr[1]." ".$rekeningnrarr[2];
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}
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}
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