<?php
// Initialize the gridfs
$conn = new Mongo(); // The connection MongoDB
$db = $conn->photos; // Select database
$grid = $db->getGridFS(); // achieve gridfs object
//gridfs There are 3 A way to store files
// The first 1 Kind of direct storage file
$id = $grid->storeFile("./logo.png");
// The first 2 Seed storage file 2 Base flow
$data = get_file_contents("./logo.png");
$id = $grid->storeBytes($data,array("parame"=>' Additional parameters will accompany the picture 1 The deposit '));
// The first 3 Save files for direct form submission $_FILES
$id = $grid->storeUpload('upfile');
// The equivalent of
$id = $grid->storeFile($_FILES[ ' upfile'][ ' tmp_name']);
//-------------- These are the saved images -- Now let's start reading the picture ----------------
// Return after saving successfully $id = md5 string
$logo = $grid->findOne(array('_id'=>$id)); // In order to _id Gets the file for the index
header('Content-type: image/png'); // Output image header
echo $logo ->getBytes(); // Output data stream
?>