GridFS MongoDB

display.php

<?php
    $m = new Mongo();
    $db = $m->database;
    $collection = $db->images;
    $cursor = $collection->find();

    foreach ($cursor as $obj) {
        $unique_id = $obj['test'];
        echo "<img src='newupload.php?unique_id=".$unique_id."'>";
    }
?>

fs.chunks

{
   "_id": ObjectId("4fb43613ee3c47c31e000002"),
   "files_id": ObjectId("4fb43613ee3c47c31e000001"),
   "n": 0,
   "data": "<Mongo Binary Data>" 
}

fs.files

{
   "_id": ObjectId("4fb43613ee3c47c31e000001"),
   "chunkSize": 262144,
   "filename": "1335567298_4.png",
   "length": 11077,
   "md5": "3c180a7e5c06210065a83db581ac24b1",
   "test": "test3",
   "uploadDate": ISODate("2012-05-16T23: 19: 47.473Z"),
   "username": "joe" 
}

newupload.php

<?php
        try {
            $posted_id = $_GET['unique_id'];
            
            $conn = new Mongo;
            $db = $conn->database;
            $grid = $db->getGridFS();
            $file = $grid->findOne(array('test' => $posted_id));
            echo $file->getBytes();
            exit;  
            $conn->close();
            }catch(MongoConnectionException $e){
                die('Error connecting to MongoDB server');
            }catch(MongoException $e){
                die('Error: ' . $e->getMessage());
            }
?>