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    <p>You may want to store number of comments to <a href="http://codex.wordpress.org/Custom_Fields" rel="nofollow">post meta-data</a> so you'll be able to use it for sorting later.</p> <p>BTW, your function will not work due to difference in response format you use and the real response. (number of comments is present in <code>response-&gt;comments-&gt;count</code> and not in <code>response-&gt;comments</code>). Also you may wish to use <code>fields=comments</code> to limit the response to only include details about comments without all the rest of data or using FQL query to retrieve only count of comments:</p> <pre><code>SELECT commentsbox_count FROM link_stat WHERE url = 'POST_URL' </code></pre> <p>The flow as I see it may be so:</p> <ul> <li>Store number of comments within post-meta</li> <li>Update number of comments calling <code>fb_comment_count</code> once post is viewed</li> <li>Use <a href="http://codex.wordpress.org/Function_Reference/query_posts" rel="nofollow"><code>query_posts</code></a> with <code>meta_key</code> to change the defaults.</li> </ul> <pre class="lang-php prettyprint-override"><code>function fb_comment_count() { global $post; $url = get_permalink($post-&gt;ID); $query = "SELECT commentsbox_count FROM link_stat WHERE url = '{$url}'"; $responseText = file_get_contents('https://graph.facebook.com/fql?q='.$query); $responseJson = json_decode($responseText); $commenteCount = $responseJson-&gt;data-&gt;commentsbox_count; update_post_meta($post-&gt;ID, 'facebook_comments_count, $commenteCount); // ... } </code></pre> <p>Once your posts have <code>facebook_comments_count</code> <a href="http://codex.wordpress.org/Function_Reference/get_post_meta" rel="nofollow">meta</a> you can use <code>query_posts</code> in <a href="http://codex.wordpress.org/The_Loop" rel="nofollow">The Loop</a>:</p> <pre><code>query_posts('posts_per_page=5&amp;meta_key=facebook_comments_count&amp;orderby=meta_value&amp;order=DESC') </code></pre>
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    1. COi changed `commentsbox_count` to `comment_count` then it worked for me
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      1. USJohn Smith
 

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