### Install MerchantSafe Unipay PHP SDK with Composer Source: https://mkorkmaz.github.io/msu-php-sdk-doc Use this command to install the SDK. Requires Composer and PHP 7.0 or later. ```bash composer require mkorkmaz/msu-php-sdk ``` === COMPLETE CONTENT === This response contains all available snippets from this library. No additional content exists. Do not make further requests.