PHP random generation of credit card number method _php Tutorial

PHP random generation of credit card number method

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. Share to everyone for your reference. 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.

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/* PHP Credit card number generator Copyright (C) 2006 Graham King Graham@darkcoding.net This program was 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. Distributed in the hope that it'll 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 has received a copy of the GNU general public License Along with the program; If not, write to the free software Foundation, Inc., Wuyi 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"; $voyagerPrefixList [] = "8699"; /* ' prefix ' is the start of the CC number as a string, and any number of digits. ' Length ' is the length of the CC number to generate. Typically or 16 */ function Completed_number ($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 = $prefixList [Array_rand ($prefixList)]; $result [] = Completed_number ($ccnumber, $length); } return $result; } function output ($title, $numbers) { $result [] = ""; $result [] = " $title "; $result [] = Implode (' ', $numbers); $result []= '; Return implode (' ', $result); } # # Main # echo ""; $mastercard = Credit_card_number ($mastercardPrefixList, 16, 10); echo Output ("Mastercard", $mastercard); $visa: Credit_card_number ($visaPrefixList, 16, 10); echo output ("VISA digit", $visa 16); echo ""; echo ""; $visa = Credit_card_number ($visaPrefixList, 13, 5); echo output ("VISA digit", $visa 13); $amex = Credit_card_number ($amexPrefixList, 15, 5); echo Output ("American Express", $amex); echo ""; # Minor Cards echo ""; $discover = Credit_card_number ($discoverPrefixList, 16, 3); echo Output ("Discover", $discover); $diners = Credit_card_number ($dinersPrefixList, 14, 3); echo Output ("Diners Club", $diners); echo ""; echo ""; $enRoute = Credit_card_number ($enRoutePrefixList, 15, 3); echo Output ("EnRoute", $enRoute); $JCB = Credit_card_number ($jcbPrefixList, 16, 3); echo Output ("JCB", $JCB); echo ""; echo ""; $voyager = Credit_card_number ($voyagerPrefixList, 15, 3); echo Output ("Voyager", $voyager); echo ""; ?>

I hope this article is helpful to everyone's PHP programming.

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