/**
* Adds a new tag to the specified photo
*
* @param Zend_Http_Client $client The authenticated client
* @param string $user The user's account name
* @param integer $album The album's id
* @param integer $photo The photo's id
* @param string $tag The tag to add to the photo
* @return void
*/
function addTag($client, $user, $album, $photo, $tag)
{
$photos = new Zend_Gdata_Photos($client);
$entry = new Zend_Gdata_Photos_TagEntry();
$entry->setTitle($photos->newTitle($tag));
$photoQuery = new Zend_Gdata_Photos_PhotoQuery();
$photoQuery->setUser($user);
$photoQuery->setAlbumId($album);
$photoQuery->setPhotoId($photo);
$photoQuery->setType('entry');
$photoEntry = $photos->getPhotoEntry($photoQuery);
$result = $photos->insertTagEntry($entry, $photoEntry);
if ($result) {
outputPhotoFeed($client, $user, $album, $photo);
} else {
echo "There was an issue with the tag creation.";
}
}
