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composer/spdx-licenses ====================== SPDX (Software Package Data Exchange) licenses list and validation library. Originally written as part of [composer/composer](https://github.com/composer/composer), now extracted and made available as a stand-alone library. [](https://travis-ci.org/composer/spdx-licenses) Installation ------------ Install the latest version with: ```bash $ composer require composer/spdx-licenses ``` Basic Usage ----------- ```php <?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](https://spdx.org/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](https://spdx.org/). The data is pulled from the [License List Data](https://github.com/spdx/license-list-data) repository. * [Licenses](https://spdx.org/licenses/index.html) * [License Exceptions](https://spdx.org/licenses/exceptions-index.html)