Useful PHP Code Snippets for Developers - Facebook Comments for WordPress

<div id="fb-root"></div>
<script>(function(d, s, id) {
var js, fjs = d.getElementsByTagName(s)[0];
if (d.getElementById(id)) return;
js = d.createElement(s); js.id = id;
js.src = "//connect.facebook.net/en_US/all.js#xfbml=1&appId=Your App ID Here";
fjs.parentNode.insertBefore(js, fjs);
}(document, 'script', 'facebook-jssdk'));</script>

<meta property="fb:app_id" content="Your App ID Here"/>

<div data-href="<?php the_permalink() ?>" data-num-posts="2" data-width="470" data-colorscheme="light" data-mobile="false"></div>

// Get combined FB and WordPress comment count
function get_full_comment_count() {
global $post;
$url = get_permalink($post->ID);

$filecontent = file_get_contents('https://graph.facebook.com/?ids=' . $url);
$json = json_decode($filecontent);
$count = $json->$url->comments;
$wpCount = get_comments_number();
$realCount = $count + $wpCount;
if ($realCount == 0 || !isset($realCount)) {
$realCount = 0;
}
return $realCount;
}
function the_full_comment_count() {
$realCount = get_full_comment_count();
echo $realCount
}