Order WordPress Posts by Most Comments
I take great delight in seeing people reply to my blog posts. I use WebMentions to collect replies from social media and other sites. But which of my posts has the most comments? Here's a snipped to stick in your functions.php file. It allows you to add ?comment-order to any WordPress URl and have the posts with the most comments on top.
PHP
// Add ordering by comments
add_action( 'pre_get_posts', 'pre_get_posts_by_comments' );
function pre_get_posts_by_comments( $query ) {
// Do nothing if the post_status parameter in the URL is not "comment-order"
if ( ! isset( $_GET['comment-order'] ) ) {
return;
}
$query->set( "orderby", "comment_count" ); // Default: date
$query->set( "order", "DESC" ); // Biggest first
}
This makes use of the pre_get_posts hook to rewrite the posts query. That means it works on most WordPress pages.
For example:
- My homepage https://shkspr.mobi/blog/?comment-order
- Posts with a specific tag https://shkspr.mobi/blog/tag/blockchain/?comment-order
- Dates https://shkspr.mobi/blog/2012/?comment-order
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