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<?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>";
?>
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