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PHP随机生成信用卡卡号的方法

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Jun 13, 2016 am 09:09 AM

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PHP随机生成信用卡卡号的方法

这篇文章主要介绍了PHP随机生成信用卡卡号的方法,涉及php根据信用卡卡号规则生成卡号的技巧,具有一定参考借鉴价值,需要的朋友可以参考下

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。

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PHP credit card number generator

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)

$ccnumber .= rand(0,9);

}

# Calculate sum

$sum = 0;

$pos = 0;

$reversedCCnumber = strrev( $ccnumber );

while ( $pos

$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

$ccnumber = $prefixList[ array_rand($prefixList) ];

$result[] = completed_number($ccnumber, $length);

}

return $result;

}

function output($title, $numbers) {

$result[] = "

$title

$result[] = implode('
', $numbers);

$result[]= '

return implode('
', $result);

}

# Main

echo "

$mastercard = credit_card_number($mastercardPrefixList, 16, 10);

echo output("Mastercard", $mastercard);

$visa16 = credit_card_number($visaPrefixList, 16, 10);

echo output("VISA 16 digit", $visa16);

echo "

$visa13 = credit_card_number($visaPrefixList, 13, 5);

echo output("VISA 13 digit", $visa13);

$amex = credit_card_number($amexPrefixList, 15, 5);

echo output("American Express", $amex);

echo "

# 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 "

$enRoute = credit_card_number($enRoutePrefixList, 15, 3);

echo output("enRoute", $enRoute);

$jcb = credit_card_number($jcbPrefixList, 16, 3);

echo output("JCB", $jcb);

echo "

$voyager = credit_card_number($voyagerPrefixList, 15, 3);

echo output("Voyager", $voyager);

echo "

希望本文所述对大家的php程序设计有所帮助。

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