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>"; $result[] = "<h3>$title</h3>"; $result[] = implode('<br />', $numbers); $result[]= '</div>'; return implode('<br />', $result); } # # Main # echo "<div>"; $mastercard = credit_card_number($mastercardPrefixList, 16, 10); echo output("Mastercard", $mastercard); $visa16 = credit_card_number($visaPrefixList, 16, 10); echo output("VISA 16 digit", $visa16); echo "</div>"; echo "<div>"; $visa13 = credit_card_number($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>"; $discover = credit_card_number($discoverPrefixList, 16, 3); echo output("Discover", $discover); $diners = credit_card_number($dinersPrefixList, 14, 3); echo output("Diners Club", $diners); echo "</div>"; echo "<div>"; $enRoute = credit_card_number($enRoutePrefixList, 15, 3); echo output("enRoute", $enRoute); $jcb = credit_card_number($jcbPrefixList, 16, 3); echo output("JCB", $jcb); echo "</div>"; echo "<div>"; $voyager = credit_card_number($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。
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