--- currentMenu: grid-fs --- # GridFS ## Prerequisites In order to use GridFS adapter, you should have accesible MongoDB instance, [MongoDB PHP driver](http://docs.php.net/manual/en/book.mongodb.php) and the [`mongodb/mongodb`](https://docs.mongodb.com/php-library/master/) library installed. First can install the MongoDB extension with: ```bash pecl install mongodb ``` Then, install the adapter: ```bash composer require gaufrette/gridfs-adapter ``` ## Usage ```php $client = new \MongoDB\Client('mongodb://localhost:27017'); $db = $client->selectDatabase('dbname'); $adapter = new \Gaufrette\Adapter\GridFS($db->selectGridFSBucket()); ```