Facebook API How to add tags to post API using PHP?

First Follow all the 5 Steps from my Previous post http://blog.theunical.com/facebook-integration/5-steps-to-publish-on-a-facebook-wall-using-php/ then in last program include below code to add tags to your post.

Publishing a Tags to a Post

$message = 'From My App: publish steven tags on facebook';

$tag_links = array( array('text' => 'Tags here',
 'href' => 'http://blog.theunical.com'));

if(  $facebook->api_client->stream_publish($message, null, $tag_links))
 echo "Added on FB Wall";
} catch(Exception $e) {
 echo $e . "<br />";


Exiting isn’t it.