PHP随机生成信用卡卡号的方法

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>";

									?>
希望本文所述对大家的php程序设计有所帮助。
PHP随机生成信用卡卡号的方法

相关文章

热门资讯
