This is a PSR-6 cache implementation using MongoDB. It is a part of the PHP Cache organisation. To read about features like tagging and hierarchy support please read the shared documentation at www.php-cache.com.
composer require cache/mongodb-adapter
$manager = new Manager('mongodb://'.getenv('MONGODB_HOST'));
$collection = MongoDBCachePool::createCollection($manager, 'localhost:27017', 'psr6test.cache');
$pool = new MongoDBCachePool($collection);
Contributions are very welcome! Send a pull request to the main repository or report any issues you find on the issue tracker.