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本文实例讲述了php实现用于验证所有类型的信用卡类。分享给大家供大家参考。具体如下:
这个php类比较完整,可以用于验证各种不同的信用卡,针对信用卡的卡号的通用规则进行了验证,同时对不同类型的信用卡进行了针对性的识别。
代码接受一个信用卡号码和有效日期,如果两者都有效,则返回TRUE,否则返回FALSE。
本插件接受以下参数:
$number 表示信用卡号码的一个字符串
$expiry 信用卡有效日期,采用07/12或0712这样的格式
<?php// Plug-in 32: Validate Credit Card// This is an executable example with additional code supplied// To obtain just the plug-ins please click on the Download link$card= "4567 1234 5678 9101";$exp= "06/11";echo "Validating: $card : $exp<br>";$result = PIPHP_ValidateCC($card, $exp);if ($result != FALSE) echo "Card Validated";else echo "Card did not validate";function PIPHP_ValidateCC($number, $expiry){// Plug-in 32: Validate Credit Card//// This plug-in accepts a credit card number and// an expiry date and returns TRUE or FALSE,// depending on whether the details pass date// and checksum validation. The arguments required// are:////$number: Credit Card Number//$expiry: Expiry date in the form://07/12 or 0712 (for July, 2012)$number = preg_replace("/[^d]/", "", $number);$expiry = preg_replace("/[^d]/", "", $expiry);$left= substr($number, 0, 4);$cclen = strlen($number);$chksum = 0;// Diners Clubif (($left >= 3000) && ($left <= 3059) ||($left >= 3600) && ($left <= 3699) ||($left >= 3800) && ($left <= 3889)) if ($cclen != 14) return FALSE;// JCBif (($left >= 3088) && ($left <= 3094) ||($left >= 3096) && ($left <= 3102) ||($left >= 3112) && ($left <= 3120) ||($left >= 3158) && ($left <= 3159) ||($left >= 3337) && ($left <= 3349) ||($left >= 3528) && ($left <= 3589)) if ($cclen != 16) return FALSE;// American Expresselseif (($left >= 3400) && ($left <= 3499) ||($left >= 3700) && ($left <= 3799)) if ($cclen != 15) return FALSE;// Carte Blancheelseif (($left >= 3890) && ($left <= 3899)) if ($cclen != 14) return FALSE;// Visaelseif (($left >= 4000) && ($left <= 4999)) if ($cclen != 13 && $cclen != 16) return FALSE;// MasterCardelseif (($left >= 5100) && ($left <= 5599)) if ($cclen != 16) return FALSE;// Australian BankCardelseif ($left == 5610) if ($cclen != 16) return FALSE;// Discoverelseif ($left == 6011) if ($cclen != 16) return FALSE;// Unknownelse return FALSE;for ($j = 1 - ($cclen % 2); $j < $cclen; $j += 2) $chksum += substr($number, $j, 1);for ($j = $cclen % 2; $j < $cclen; $j += 2){ $d = substr($number, $j, 1) * 2; $chksum += $d < 10 ? $d : $d - 9;}if ($chksum % 10 != 0) return FALSE;if (mktime(0, 0, 0, substr($expiry, 0, 2), date("t"), substr($expiry, 2, 2)) < time()) return FALSE;return TRUE;}?>
希望本文所述对大家的php程序设计有所帮助。