Google Drive API

https://code.google.com/apis/console/

Quickstart: Run a Drive App in PHP

 
require_once 'google-api-php-client/src/Google_Client.php';
require_once 'google-api-php-client/src/contrib/Google_DriveService.php';

$client = new Google_Client();
// Get your credentials from the console
$client->setClientId('xxxxxxxxxxxx.apps.googleusercontent.com'); // YOUR_CLIENT_ID
$client->setClientSecret('xxxxxxxxxxxxxxxxx-xxxxxxx'); //YOUR_CLIENT_SECRET
$client->setRedirectUri('http://localhost/googleapi/quickstart.php'); //urn:ietf:wg:oauth:2.0:oob //urn:ietf:wg:oauth:2.0:oob http://localhost/googleapi/quickstart.php
$client->setScopes(array('https://www.googleapis.com/auth/drive'));

$service = new Google_DriveService($client);

$authUrl = $client->createAuthUrl();

//Request authorization
print "Please visit:\n$authUrl\n\n";
print "Please enter the auth code:\n";
$authCode = trim(fgets(STDIN));

// Exchange authorization code for access token
$accessToken = $client->authenticate($authCode);
$client->setAccessToken($accessToken);

//Insert a file
$file = new Google_DriveFile();
$file->setTitle('My document4');
$file->setDescription('A test document');
$file->setMimeType('text/plain');

$data = 'this is test';//file_get_contents('document.txt');

$createdFile = $service->files->insert($file, array(
      'data' => $data,
      'mimeType' => 'text/plain',
    ));

print_r($createdFile);