Ticket #35060: 35060.diff

src/wp-includes/comment.php

@@ -2052 +2052 @@
 
         $old = (int) $post->comment_count;
         $new = (int) $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1'", $post_id) );
+
+        /**
+         * Filters a post's comment count before it is updated in the database.
+         *
+         * @since 4.5.0
+         *
+         * @param int $post_id Post ID.
+         * @param int $new     The new comment count.
+         * @param int $old     The old comment count.
+         */
+        $new = (int) apply_filters( 'wp_update_comment_count_new', $post_id, $new, $old );
+
         $wpdb->update( $wpdb->posts, array('comment_count' => $new), array('ID' => $post_id) );
 
         clean_post_cache( $post );