PHP如何随机生成信用卡卡号

这篇文章主要介绍PHP如何随机生成信用卡卡号，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

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。

 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", $mastercard);$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", $amex);echo "
";# Minor cardsecho "
";$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 "
";?>

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