WordPress at a glance
filter is not described

comment_feed_groupby filter-hook . WP 2.2.0

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


add_filter( 'comment_feed_groupby', 'filter_function_name_4343', 10, 2 );
function filter_function_name_4343( $cgroupby, $this ){
	// filter...

	return $cgroupby;
The GROUP BY clause of the query.
The WP_Query instance (passed by reference).

Where the hook is called

wp-includes/class-wp-query.php 2607
$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
wp-includes/class-wp-query.php 3026
$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );

Where the hook is used (in WP core)

Использование не найдено.