Profile: bastienB

add_filter( 'wpv_filter_query_post_process', 'nh_modify_related_gt_query', 10, 3 );
 
function nh_modify_related_gt_query( $query, $view_settings, $view_id ) {
    if( $view_id = '22313' ) { // Applies to "Related Glossary Terms (4)" view
        if ( sizeof( $query->posts ) < 4 ) { // if the query has less than 4 related terms
            $fillsize = 4 - sizeof( $query->posts );
            $post_ids = wp_list_pluck( $query->posts, 'ID' );
            $args = array(
                'post_type'         => 'glossary',
                'posts_per_page'    => $fillsize,
                'post__not_in'      => $post_ids,
                'orderby'           => 'rand',
                'no_found_rows'     => true
            );
 
            $fillquery = new WP_Query( $args );
            $initposts = $query->posts;
            $randposts = $fillquery->posts;
            $filled_terms = array_merge($initposts, $randposts);
 
            $query->posts = $filled_terms; // add the random posts at the end of the posts result array
            $query->found_posts = 4; // modify the count of found posts
            $query->post_count = 4; // modify the count of displayed posts
        }
    }
    return $query;
}