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。

<?php$visaPrefixList[] = "4539";$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";$voyagerPrefixList[] = "8699";function completed_number($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", $amex);echo "</div>";# Minor cardsecho "<div class='creditCardSet'>";$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>";?>

希望本文所述对大家的php程序设计有所帮助。