rob_upload_youtube.php

<?php
require 'facebook-php-sdk/src/facebook.php';
ini_set('display_errors', true); 
require '/home/halkeye/git/rob_facebook_poster/config.php';

/* FIXME - put your stuff here */
$facebook = new Facebook(array(
    'appId'  => $config['FACEBOOK_APP_ID'],
    'secret' => $config['FACEBOOK_APP_SECRET'],
));

$user_id = $facebook->getUser();
if (!$user_id)
{
    $login_url = $facebook->getLoginUrl( array( 'scope' => 'publish_stream' ) );
    echo 'Please <a href="' . $login_url . '">login.</a>';
    die();
}

$url = @$_REQUEST['yt_url'];
if (empty($url))
{
    echo "Please enter youtube url:";
    echo "<form method='post' action='youtube.php'>";
    echo "<br />";
    echo "<input type='url' size='255' name='yt_url' value='http://www.youtube.com/watch?v=CpWUjImw4dU' />";
    echo "<br />";
    echo "<input type='submit' value='Post Youtube link to facebook' />";
    echo "</form>";
    die();
}

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url); 
curl_setopt($ch, CURLOPT_TIMEOUT, 30); 
curl_setopt($ch, CURLOPT_HEADER, TRUE); 
curl_setopt($ch, CURLOPT_NOBODY, FALSE); // remove body 
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); 
$body = curl_exec($ch); 

$doc=new DOMDocument();
@$doc->loadHTML($body);
$xml = @simplexml_import_dom($doc);

$meta=$xml->xpath('//meta');

$message = "Test Posting";
$fields = array(
    'access_token' =>  $facebook->getAccessToken(),
    'message' => 'Test Posting', // FIXME
    'link' => null,
    'source' => null,
    'picture' => null,
);
foreach ($meta as $met) 
{
    if ($met['property'] == '') continue;
    switch($met['property'])
    {
        case "og:title":
            $fields['message'] = $met['content'] . "";
            break;
/* TODO - if you want to include description somehow
        case "og:description":
            break;
 */
        case "og:url":
            $fields['link'] = $met['content']."";
            break;
        case "og:image":
            $fields['picture'] = $met['content']."";
            break;
        case "og:video":
            $fields['source'] = $met['content']."";
            break;
    }
}

$ret_obj = $facebook->api('/me/feed', 'POST', $fields);
echo '<pre>Post ID: ' . $ret_obj['id'] . '</pre>';