php-extended/php-checksum-luhn

This package is abandoned and no longer maintained. The author suggests using the php-extended/php-checksum-object package instead.

A library that implements the php-extended/php-checksum-interface for the luhn algorithm

6.0.5 2023-08-21 18:46 UTC

Requires

• php: >=7.4
• php-extended/php-checksum-interface: ^6
• php-extended/polyfill-php80-stringable: ^1.2

Requires (Dev)

• php-extended/placeholder-phpunit: ^9

MIT

• Anastaszor

• php
• checksum
• luhn
• implementation

README

A library that implements the php-extended/php-checksum-interface for the luhn algorithm.

Installation

The installation of this library is made via composer and the autoloading of all classes of this library is made through their autoloader.

• Download composer.phar from their website.
• Then run the following command to install this library as dependency :
• php composer.phar php-extended/php-checksum-luhn ^6

Basic Usage

You may use this library the following way :

use PhpExtended\Checksum\ChecksumLuhn;

$checksum = new ChecksumLuhn();

$data = '<put your digit string here>';
$checked = $checksum->matches(substr($data, 0, -1), substr($data, -1));
// returns true if verified

$signed = $data.$checksum->calculate($data);
// appends the calculated digit to the checksum

License

MIT (See license file).