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This article describes how to verify the validity of credit card numbers through the Luhn algorithm in PHP. The example shows how to implement the Luhn algorithm and related application skills in php, which has some reference value, for more information about how to use the Luhn algorithm to verify the validity of credit card
This article describes how to verify the validity of credit card numbers through the Luhn algorithm in PHP. The example shows how to implement the Luhn algorithm and related application skills in php, which has some reference value, for more information about how to use the Luhn algorithm to verify the validity of credit card
1 /**2 * Verify that the bank card number is a credit card3 * @param $cardnumber4 * @return BOOL5 */6 functionValidatecard ($cardnumber){7 $cardnumber=Preg_replace("/\d|\s/", "",$cardnumber);8 $cardlength=strlen($cardnumber);if($cardlength? =n){9 $parity=$cardlength%;Ten $sum=0; One for($i= 0;$i$cardlength;$i++){ A $digit=$cardnum
One: First, introduce the benefits of registering for the US area Apple ID:
1. There are a lot of things in the App store in the U.S. area: songs, videos, podcast are not available in the Chinese area.
2. Almost all applications will appear in the American App Store, and some applications in China are not.
3. Many applications that earn points for free itunes or Amazon cash cards by doing tasks require you to have an Apple ID account in the U.S. region. This article details how to use itunes wit
This article describes how to generate a random credit card number in PHP. it involves php's skills to generate a credit card number based on the credit card number rules. it has some reference value, for more information about ho
PHP uses the Luhn algorithm to verify whether the credit card number is valid. PHP uses the Luhn algorithm to verify whether the credit card number is valid. the luhn algorithm in this article describes how PHP uses the Luhn algorithm to verify whether the credit
1, if Baidu Wallet has been added before the bank card, you can open the phone after Baidu, click on the bottom of the "I" menu, and then choose "My wallet."
2, came to my Wallet home page, in the above functional options do not see credit card repayment, you need to slide to the next page.
3, come to the next page menu, and then click on the "Chang
1. Open the Alipay wallet on your mobile phone. Then, click "my"> "bank card" on the personal page to enter. You can apply here. (As shown in the figure)2. Choose Bank Card> apply for a credit card. (As shown in the figure)3. Click apply for a credit
1, Bill day before the bill, the bill is 0, the corresponding card debt rate is 02, the calculation method of debt ratio related to the collationhttp://bbs.51credit.com/thread-1573788-1-1.html Debt rate high card do not come down friends have help, I am ready to borrow 300,000, get 50% of the debt rate. The rest of the bank is to be run at the beginning of next month.Information about
To all of you ping ' an Zhuo version of the software users to detailed analysis of the binding credit card graphics and text tutorial.
Tutorial Sharing:
1, open app, register login, in the "I" page, select "More" a column click to enter;
2, in the "More" page, select "Credit card" a column into;
You can use the following PHP functions to verify whether a card number is a credit card:
function Validatecard ($cardnumber) { $cardnumber = preg_replace ("/\d|\s/", "", $cardnumber); # Strip any non-digits $cardlength = strlen ($cardnumber); if ($cardlength! = 0) { $parity = $cardlength% 2; $sum = 0; for ($i = 0; $i
Although I have never used a credit card, I have been using it for many years. The following methods can help you increase your credit limit as expected.
1. A small amount of credit cards are frequently swiped, and credit card sw
Title Requirements:Enter the code:#include Operation Result: Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced. OJ Brush Problem---credit card number check (Luhn algorithm)
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