README

SPDX (Software Package Data Exchange) licenses list and validation library.

Originally written as part of composer/composer, now extracted and made available as a stand-alone library.

Installation

Install the latest version with:

$ composer require composer/spdx-licenses

Basic Usage

<?php

use Composer\Spdx\SpdxLicenses;

$licenses = new SpdxLicenses();

// get a license by identifier
$licenses->getLicenseByIdentifier('MIT');

// get a license exception by identifier
$licenses->getExceptionByIdentifier('Autoconf-exception-3.0');

// get a license identifier by name
$licenses->getIdentifierByName('MIT License');

// check if a license is OSI approved by identifier
$licenses->isOsiApprovedByIdentifier('MIT');

// check if a license identifier is deprecated
$licenses->isDeprecatedByIdentifier('MIT');

// check if input is a valid SPDX license expression
$licenses->validate($input);

Read the specifications to find out more about valid license expressions.

Requirements

• PHP 5.3.2 is required but using the latest version of PHP is highly recommended.

License

composer/spdx-licenses is licensed under the MIT License, see the LICENSE file for details.

Source

License information is curated by SPDX. The data is pulled from the License List Data repository.

• Licenses
• License Exceptions