Filters the GROUP BY clause of the query.
$groupbystring$queryWP_Querywp-includes/class-wp-query.php:2957WP_Query::get_posts() * * @since 2.0.0 * * @param string $groupby The GROUP BY clause of the query. * @param WP_Query $query The WP_Query instance (passed by reference). */ $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) ); /** * Filters the JOIN clause of the query. * * Specifically for manipulating paging queries. *Introduced in 2.0.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.