/**
  * this will transfer the dbBackup zip to dropbox(LEAD-140)
  */
 public function transferZip()
 {
     $root_dir = dirname(__DIR__);
     $backUpFolderPath = $root_dir . '/api/dbBackUp';
     $host = gethostname();
     $db_name = 'mydb';
     /*dropbox settings starts here*/
     $dropbox_config = array('key' => 'xxxxxxxx', 'secret' => 'xxxxxxxxx');
     $appInfo = dbx\AppInfo::loadFromJson($dropbox_config);
     $webAuth = new dbx\WebAuthNoRedirect($appInfo, "PHP-Example/1.0");
     $accessToken = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx';
     $dbxClient = new dbx\Client($accessToken, "PHP-Example/1.0");
     /*dropbox settings ends here*/
     $current_date = date('Y-m-d');
     $backUpFileName = $current_date . '_' . $db_name . '.sql.zip';
     $fullBackUpPath = $backUpFolderPath . '/' . $backUpFileName;
     if (file_exists($backUpFolderPath)) {
         $files = scandir($backUpFolderPath);
         //retrieve all the files
         foreach ($files as $file) {
             if ($file == $backUpFileName) {
                 // file matches with the db back up file created today
                 /* transfer the file to dropbox*/
                 $f = fopen($fullBackUpPath, "rb");
                 $dbxClient->uploadFileChunked("/{$backUpFileName}", dbx\WriteMode::add(), $f);
                 fclose($f);
                 echo 'Upload Completed';
             }
         }
     }
 }
         $dropboxPath = "/" . $_FILES['files']['name'][0];
     } else {
         print '{"files":[{"id":' . $_POST['id'] . ',"name":"","size":"","error":"PHP upload error #' . $_FILES['files']['error'][0] . ' occurred."}]}';
         die;
     }
     $pathError = dbx\Path::findErrorNonRoot($dropboxPath);
     if ($pathError !== null) {
         print '{"files":[{"id":' . $_POST['id'] . ',"name":"' . $dropboxPath . '","size":"","error":"Invalid <dropbox-path>: ' . $pathError . '"}]}';
         die;
     }
     $size = null;
     if (\stream_is_local($sourcePath)) {
         $size = \filesize($sourcePath);
     }
     $fp = fopen($sourcePath, "rb");
     $metadata = $client->uploadFileChunked($dropboxPath, dbx\WriteMode::add(), $fp, $size);
     fclose($fp);
     if ($logging) {
         $logfile = tmpfile();
         fwrite($logfile, "Upload date: " . date("F j, Y, g:i a") . "\nIP: " . $_SERVER['REMOTE_ADDR']);
         fseek($logfile, 0);
         $logsize = filesize(stream_get_meta_data($logfile)['uri']);
         $log_metadata = $client->uploadFileChunked($dropboxPath . ".log", dbx\WriteMode::add(), $logfile, $logsize);
         fclose($logfile);
     }
     print '{"files":[{"id":' . $_POST['id'] . ',"name":"' . $metadata['path'] . '","size":' . $size . '}]}';
     die;
 } catch (dbx\AuthInfoLoadException $ex) {
     print '{"files":[{"id":' . $_POST['id'] . ',"name":"' . $metadata['path'] . '","size":' . $size . ',"error":"An authentication problem occurred.}]}';
     die;
 }