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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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[] =
; $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
; 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
; 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
; ?>
希望本文所述对大家的php程序设计有所帮助。
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