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 [email protected]  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

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