PHP code example of nekman / luhn-algorithm
1. Go to this page and download the library: Download nekman/luhn-algorithm library. Choose the download type require. 2. Extract the ZIP file and open the index.php. 3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
nekman / luhn-algorithm example snippets
use Nekman\LuhnAlgorithm\LuhnAlgorithmFactory;
$luhn = LuhnAlgorithmFactory::create();
use Nekman\LuhnAlgorithm\Number;
// Assume $creditCard is from a form.
$number = Number::fromString($creditCard);
if ($luhn->isValid($number)) {
// Number is valid.
}
use Nekman\LuhnAlgorithm\Number;
$number = new Number(12345);
$checksum = $luhn->calcChecksum($number);
$checkDigit = $luhn->calcCheckDigit($number);