Rewind the comments, resets the comment index and comment to first.

Rewind the posts and reset post index.

Sets the value of a query variable.

Sets the 404 property and saves whether query is feed.

Set up the amount of found posts and the number of pages (if limit clause was used) for the current query.

Set up global post data.

Sets up the current comment.

Sets up the current post.

Filters the GROUP BY clause of the comments feed query before sending.

Filters the JOIN clause of the comments feed query before sending.