samlittler/luhn-mod-16

A PHP library for calculating Luhn Mod 16 checksums as used by Royal Mail and others

v2.0.0 2022-05-25 09:47 UTC

Requires

• php: ^8

Requires (Dev)

• phpunit/phpunit: ^9.5

proprietary

• Sam Littler

• checksum
• luhn
• Mod

README

A library for calculating Luhn Mod 16 checksums in PHP. Especially useful for those dealing with Royal Mail labels.

Installation

Download with composer by using:

composer require samlittler/luhn-mod-16

Usage

Usage is simple.

$checksum = \LuhnMod16\LuhnMod16::calculate($your_test_value);