Tuque datastream versions

tuque.php

<?php
// Some docs here: 
// https://github.com/Islandora/islandora/wiki/Working-With-Fedora-Objects-Programmatically-Via-Tuque
// https://github.com/Islandora/islandora/wiki/Build,-Access,-Modify-and-Delete-Fedora-objects-with-the-Tuque-interface

$object = islandora_object_load('my:pid');
$dsid = $object['DSID'];
$number_of_versions = count($dsid);
foreach ($dsid as $version) {
  print $version->createdDate->format('Y-m-d H:i:s');
}
$my_ds_content = $dsid[2]->content;