Elgg-Lorea-Hydra/vendor/knplabs/gaufrette/tests/Gaufrette/Functional/adapters/GridFS.php.dist

<?php

$mongo = new Mongo('localhost');

$db = $mongo->selectDB('gaufrette');

$grid = $db->getGridFS();
$grid->remove();

return new Gaufrette\Adapter\GridFS($grid);