PHP随机生成信用卡卡号的方法

            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。
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 ";
  $result[] = "$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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