PHP随机生成信用卡卡号的方法

发布:smiling　来源: PHP粉丝网　添加日期：2021-05-17 15:52:15　浏览: 评论：0　

这篇文章主要介绍了PHP随机生成信用卡卡号的方法,涉及php根据信用卡卡号规则生成卡号的技巧,具有一定参考借鉴价值,需要的朋友可以参考下。

本文实例讲述了PHP随机生成信用卡卡号的方法，分享给大家供大家参考，具体分析如下：

这段PHP代码根据信用卡卡号产生规则随机生成信用卡卡号，是可以通过验证的，仅供学习参考，请不要用于非法用途，否则后果自负。

<?php

/*

PHP credit card number generator

Copyright (C) 2006 Graham King graham@darkcoding.net

This program is free software; you can redistribute it and/or

modify it under the terms of the GNU General Public License

as published by the Free Software Foundation; either version 2

of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

GNU General Public License for more details.

You should have received a copy of the GNU General Public License

along with this program; if not, write to the Free Software

Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

*/

$visaPrefixList[] = "4539";

$visaPrefixList[] = "4556";

$visaPrefixList[] = "4916";

$visaPrefixList[] = "4532";

$visaPrefixList[] = "4929";

$visaPrefixList[] = "40240071";

$visaPrefixList[] = "4485";

$visaPrefixList[] = "4716";

$visaPrefixList[] = "4";

$mastercardPrefixList[] = "51";

$mastercardPrefixList[] = "52";

$mastercardPrefixList[] = "53";

$mastercardPrefixList[] = "54";

$mastercardPrefixList[] = "55";

$amexPrefixList[] = "34";

$amexPrefixList[] = "37";

$discoverPrefixList[] = "6011";

$dinersPrefixList[] = "300";

$dinersPrefixList[] = "301";

$dinersPrefixList[] = "302";

$dinersPrefixList[] = "303";

$dinersPrefixList[] = "36";

$dinersPrefixList[] = "38";

$enRoutePrefixList[] = "2014";

$enRoutePrefixList[] = "2149";

$jcbPrefixList[] = "35";

$voyagerPrefixList[] = "8699";

/*

'prefix' is the start of the CC number as a string, any number of digits.

'length' is the length of the CC number to generate. Typically 13 or 16

*/

function completed_number($prefix, $length) {

  $ccnumber = $prefix;

  # generate digits

  while ( strlen($ccnumber) < ($length - 1) ) {

    $ccnumber .= rand(0,9);

  }

  # Calculate sum

  $sum = 0;

  $pos = 0;

  $reversedCCnumber = strrev( $ccnumber );

  while ( $pos < $length - 1 ) {

    $odd = $reversedCCnumber[ $pos ] * 2;

    if ( $odd > 9 ) {

      $odd -= 9;

    }

    $sum += $odd;

    if ( $pos != ($length - 2) ) {

      $sum += $reversedCCnumber[ $pos +1 ];

    }

    $pos += 2;

  }

  # Calculate check digit

  $checkdigit = (( floor($sum/10) + 1) * 10 - $sum) % 10;

  $ccnumber .= $checkdigit;

  return $ccnumber;

}

function credit_card_number($prefixList, $length, $howMany) {

  for ($i = 0; $i < $howMany; $i++) {

    $ccnumber = $prefixList[ array_rand($prefixList) ];

    $result[] = completed_number($ccnumber, $length);

  }

  return $result;

}

function output($title, $numbers) {

  $result[] = "<div class='creditCardNumbers'>";

  $result[] = "<h3>$title</h3>";

  $result[] = implode('<br />', $numbers);

  $result[]= '</div>';

  return implode('<br />', $result);

}

#

# Main

#

echo "<div class='creditCardSet'>";

$mastercard = credit_card_number($mastercardPrefixList, 16, 10);

echo output("Mastercard", $mastercard);

$visa16 = credit_card_number($visaPrefixList, 16, 10);

echo output("VISA 16 digit", $visa16);

echo "</div>";

echo "<div class='creditCardSet'>";

$visa13 = credit_card_number($visaPrefixList, 13, 5);

echo output("VISA 13 digit", $visa13);

$amex = credit_card_number($amexPrefixList, 15, 5);

echo output("American Express", $amex);

echo "</div>";

# Minor cards

echo "<div class='creditCardSet'>";

$discover = credit_card_number($discoverPrefixList, 16, 3);

echo output("Discover", $discover);

$diners = credit_card_number($dinersPrefixList, 14, 3);

echo output("Diners Club", $diners);

echo "</div>";

echo "<div class='creditCardSet'>";

$enRoute = credit_card_number($enRoutePrefixList, 15, 3);

echo output("enRoute", $enRoute);

$jcb = credit_card_number($jcbPrefixList, 16, 3);

echo output("JCB", $jcb);

echo "</div>";

echo "<div class='creditCardSet'>";

$voyager = credit_card_number($voyagerPrefixList, 15, 3);

echo output("Voyager", $voyager);

echo "</div>";

?>