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Ben Ramey
296
production/classes/validate/validateCard.php
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296
production/classes/validate/validateCard.php
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<?php
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/*
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+--------------------------------------------------------------------------
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| CubeCart 4
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| ========================================
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| CubeCart is a registered trade mark of Devellion Limited
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| Copyright Devellion Limited 2006. All rights reserved.
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| Devellion Limited,
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| 5 Bridge Street,
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| Bishops Stortford,
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| HERTFORDSHIRE.
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| CM23 2JU
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| UNITED KINGDOM
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| http://www.devellion.com
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| UK Private Limited Company No. 5323904
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| ========================================
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| Web: http://www.cubecart.com
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| Email: info (at) cubecart (dot) com
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| License Type: CubeCart is NOT Open Source Software and Limitations Apply
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| Licence Info: http://www.cubecart.com/site/faq/license.php
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+--------------------------------------------------------------------------
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| validateCard.php
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| ========================================
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| Class to Validate Credit Card
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+--------------------------------------------------------------------------
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*/
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class validateCard {
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var $data;
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function check($cardNo, $issueNo='', $issueDate='', $issueFormat=4, $expireDate='', $expireFormat=4, $scReqd=false, $securityCode='') {
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$cardNo = ereg_replace("[^0-9]", '', $cardNo);
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## Assume success unless a rule is broken
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$this->data['response'] = "SUCCESS";
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## check expire date (always required)
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$this->expireDate($expireDate,$expireFormat);
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if ($scReqd == true) $this->securityCode($securityCode);
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/************************************************
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* BEGIN: Regular Expressions to validate Certain Cards
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************************************************/
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$mastercard = "^5[1-5][0-9]{14}$";
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$visa = "^4[0-9]{12}([0-9]{3})?$";
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// $americanExpress = "^3[47][0-9]{13}$"; old in 4.0.3
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//$americanExpress = "((^3[47])|(^3[34])|(^3[37]))((\d{11}$)|(\d{13}$))";
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$americanExpress = "^[34|37|47]([0-9]{14}|[0-9]{12})$";
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$diners = "^3(0[0-5]|[68][0-9])[0-9]{11}$";
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$discover = "^6011[0-9]{12}$";
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$jcb = "^(3[0-9]{4}|2131|1800)[0-9]{11}$";
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$australianBankCard = "^5610([0-9]{12})?$";
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$enRoute = "^(2014|2149)([0-9]{11})?$";
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$electron = "^(450875|48440[6-9]{1}|4844[1-4]{1}[0-9]{1}|48445[0-5]{1}|4917[3-5]{1}[0-9]{1}|491880|5[1-5]{1})([0-9]{10}|[0-9]{14})?$";//
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$delta = "^(41373[3-7]{1}|4462[0-9]{2}|45397[8-9]{1}|454313|45443[2-5]{1}|454742|45672[5-9]{1}|45673[0-9]{1}|45674[0-5]{1}|4658[3-7]{1}[0-9]{1}|4659[0-5]{1}[0-9]{1}|4609[6-7]{1}[0-9]{1}|49218[1-2]{1}|498824)([0-9]{10})?$";
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$solo = "^(6334[5-9]{1}[0-9]{1}|6767[0-9]{2}|3528[0-9]{2})([0-9]{10})?$";
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$maestro = "^(5000[0-9]{2}|5[6-8]{1}|6[0-9]{5})([0-9]{10}|[0-9]{14})?$";
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$switch = "^(49030[2-9]{1}|49033[5-9]{1}|49110[1-2]{1}|49117[4-9]{1}|49118[0-2]{1}|4936[0-9]{2}|564182|6333[1-4]{1}[0-9]{1}|6759[0-9]{2})([0-9]{10}|[0-9]{12}|[0-9]{13})?$";
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/************************************************
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* END: Regular Expressions to validate Certain Cards
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************************************************/
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if (empty($cardNo)) {
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$this->error(6);
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} elseif (ereg($mastercard, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "MASTERCARD";
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} elseif (ereg($electron, $cardNo)) {
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$this->data['cardType'] = "ELECTRON";
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} elseif(ereg($visa, $cardNo)) {
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## mod 10 fails on 13 length card nos :( Booooooooooooooooooooooooooooo
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if (strlen($cardNo) !== 13) $this->mod10($cardNo);
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$this->data['cardType'] = "VISA";
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} elseif (ereg($americanExpress, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "AMERICAN EXPRESS";
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} elseif (ereg($diners, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "DINERS";
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} elseif (ereg($discover, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "DISCOVER";
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} elseif (ereg($enRoute, $cardNo)) {
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$this->data['cardType'] = "ENROUTE";
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} elseif (ereg($jcb, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "JCB";
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} elseif (ereg($australianBankCard, $cardNo)) {
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$this->data['cardType'] = "AUSTRALIAN BANK CARD";
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} elseif (ereg($delta, $cardNo)) {
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$this->data['cardType'] = "DELTA";
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} elseif (ereg($switch, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "SWITCH";
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## switch/maestro/solo requires an issue date or number
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if (!$this->issueDate($issueDate,$issueFormat) || !$this->issueNo($issueNo)) $this->error(3);
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} elseif (ereg($solo, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "SOLO";
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## switch/maestro/solo requires an issue date or number
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if (!$this->issueDate($issueDate,$issueFormat) || !$this->issueNo($issueNo)) $this->error(3);
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} elseif (ereg($maestro, $cardNo)) {
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$this->mod10($cardNo);
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$this->data['cardType'] = "MAESTRO";
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## switch/maestro/solo requires an issue date or number
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if (!$this->issueDate($issueDate,$issueFormat) || !$this->issueNo($issueNo)) $this->error(3);
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} else {
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$this->error(1);
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}
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return $this->data;
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}
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// LUHN formula
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function mod10($cardNo) {
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$numSum = 0;
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for($i = 0; $i < strlen($cardNo); $i++) {
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$currentNum = substr($cardNo, $i, 1);
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if($i % 2 == 1) {
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$currentNum *= 2;
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}
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if($currentNum > 9) {
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$firstNum = $currentNum % 10;
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$secondNum = ($currentNum - $firstNum) / 10;
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$currentNum = $firstNum + $secondNum;
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}
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$numSum += $currentNum;
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}
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$passCheck = ($numSum % 10 == 0);
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if($passCheck == 0){
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return true;
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} else {
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$this->error(5);
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return false;
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}
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}
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function expireDate($expireDate,$expireFormat){
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if(strlen($expireDate) !== $expireFormat){
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$this->error(2);
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return false;
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} elseif($expireFormat == 4 && $expireDate<date("ym")) {
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$this->error(2);
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return false;
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} elseif($expireFormat == 6 && $expireDate<date("Ym")) {
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$this->error(2);
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return false;
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} else {
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return true;
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}
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}
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function issueDate($issueDate,$issueFormat) {
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if(strlen($issueDate) !== $issueFormat){
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$this->error(3);
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return false;
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} elseif($issueFormat == 4 && $issueDate>date("ym")) {
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$this->error(3);
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return false;
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} elseif($issueFormat == 6 && $issueDate>date("Ym")) {
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$this->error(3);
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return false;
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} else {
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return true;
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}
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}
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function issueNo($issueNo) {
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if($issueNo>0){
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return true;
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} else {
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return false;
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}
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}
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function securityCode($securityCode) {
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if(($securityCode>0 && $securityCode<10000) && (strlen($securityCode)==3 || strlen($securityCode)==4)) {
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return true;
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} else {
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$this->error(4);
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}
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}
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function error($errorCode) {
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global $lang;
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$this->data['response'] = "FAIL";
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switch($errorCode) {
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case(1):
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$this->data['error'][1] = "Card not recognised!";
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break;
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case(2):
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$this->data['error'][2] = "No expiry date was entered or it wasn't valid.";
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break;
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case(3):
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$this->data['error'][3] = "Please enter a valid issue number or date.";
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break;
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case(4):
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$this->data['error'][4] = "Please enter a valid security code.";
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break;
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case(5):
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$this->data['error'][5] = "Credit card number is not valid.";
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break;
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case(6):
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$this->data['error'][5] = "Please enter a card number.";
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break;
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}
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}
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}
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?>
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