PHP generates card numbers based on credit card number rules

This article mainly introduces PHP randomly generated credit card number method, involving PHP based on credit card number rules to generate card number of the skills, with a certain reference value, the need for friends can refer to the next

This paper describes the method of randomly generating credit card number in PHP. The specific analysis is as follows:

This PHP code randomly generated credit card number according to the credit card number generation rules, it can be verified, for learning reference only, please do not use for illegal purposes, otherwise the consequences are at your own risk.

<?php/*php Credit card number Generatorcopyright (C) 2006 Graham King graham@darkcoding.netthis program was free Softwar E  You can redistribute it and/ormodify it under the terms of the GNU general public Licenseas published by the Free software Foundation; Either version 2of the License, or (at your option) any later version. Distributed in the hope that it'll be useful,but without any WARRANTY; Without even the implied warranty ofmerchantability or FITNESS for A particular PURPOSE. See THEGNU general public License for more details. You should has received a copy of the GNU general public Licensealong with this program; If not, write to the Free Softwarefoundation, Inc., Wuyi Franklin Street, Fifth Floor, Boston, MA 02110-1301, usa.*/$visaPre Fixlist[] = "4539"; $visaPrefixList [] = "4556"; $visaPrefixList [] = "4916"; $visaPrefixList [] = "4532"; $visaPrefixList [] = "4929"; $visaPrefixList [] = "40240071"; $visaPrefixList [] = "4485"; $visaPrefixList [] = "4716"; $visaPrefixList [] = "4"; $mastercardPrefixList [] = "Wuyi"; $mastercardPrefixList [] = "n"; $mastercardPrefixList [] = "53"; $ mastercardprefixlist[] = "Si"; $mastercardPrefixList [] = "n"; $amexPrefixList [] = "the"; $amexPrefixList [] = "37"; $ Discoverprefixlist[] = "6011"; $dinersPrefixList [] = "n"; $dinersPrefixList [] = "301"; $dinersPrefixList [] = "302"; $ Dinersprefixlist[] = "303"; $dinersPrefixList [] = "n"; $dinersPrefixList [] = "$"; $enRoutePrefixList [] = "2014"; $ Enrouteprefixlist[] = "2149"; $jcbPrefixList [] = "Numbe"; $voyagerPrefixList [] = "8699";/* ' prefix ' is the start of the CC R as a string, any number of digits. ' Length ' was the length of the CC number to generate.  Typically or 16*/function completed_number ($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 = $pref    ixlist[Array_rand ($prefixList)];  $result [] = Completed_number ($ccnumber, $length); } return $result;}  function output ($title, $numbers) {$result [] = "<p class= ' creditcardnumbers ' >";  $result [] = "
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