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Example code of pmigut/gtin-validator

Informations about the package gtin-validator

This library is a set of static methods for GTIN validation.

The library is best suited for quick validation of many codes without instantiating a new object for each code. Simple true or false is returned and no additional details are provided on failure. Only trade product codes return true, codes with restricted or special use prefixes return false.

Supported codes

Checks performed

Implementation is based on GS1 General Specifications ver. 18, Jan 2018. Prefix list verified on 2 Jan 2026.

Requirements

Users on PHP < 8.2 should pin to ^1.0.

Installation

Examples

Basic usage

Strict types

isValid method expects string argument. If strict_types=1 is declared, isValid may throw TypeError.

Leading zeros

Codes are validated as is, no leading zeros are added.

Development

The simplest way to contribute is via the included Docker setup (no local PHP required):

If you have PHP 8.2+ and Composer installed locally, you can also run the tests directly:

License

This library is licensed under the MIT License, see LICENSE for details.

All versions of gtin-validator with dependencies

PHP Build Version
Package Version
Requires php Version ^8.2
ext-ctype Version *
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