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

$cgroupby string

The GROUP BY clause of the query.

$query WP_Query

The WP_Query instance (passed by reference).

File: wp-includes/class-wp-query.php. View all references

$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );