README

GtinValidation is a library for validating the format and check digit of a GTIN.

Requirements

• PHP 5.4 or higher

Installation

You can find GtinValidation on Packagist. To install GtinValidation in Composer:

composer require ryanblak/gtinvalidation

Usage

Basic check

To check a GTIN's validity:

<?php

use GtinValidation\GtinValidator;

$gtinValidator = new GtinValidator('0000000000000');
echo $gtinValidator->isValid();

Output

false

Advanced Check

To get more detailed information about the GTIN and its validity, retrieve the GTIN object:

<?php

use GtinValidation\GtinValidator;

$gtinValidator = new GtinValidator('0000000000000');
$gtinObject = $gtinValidator->getGtinObject();

echo $gtinObject->getType() . PHP_EOL;
echo $gtinObject->isValidFormat() . PHP_EOL;
echo $gtinObject->isValid() . PHP_EOL;

Output

GTIN-13
true
false