wcfm_hide_archived_products

add_action('pre_get_posts', function ($query) {
    if (!$query->is_main_query()) {
        return;
    }
    if (!is_admin() && (is_shop() || is_product_category() || is_product_taxonomy() || is_product_tag() || function_exists('wcfm_is_store_page') && wcfm_is_store_page())) {
        $tax_query = $query->get('tax_query') ? $query->get('tax_query') : array();
        $tax_query[] = array(
            'taxonomy' => 'product_visibility',
            'field'    => 'slug',
            'terms'    => 'archived',
            'operator' => 'NOT IN',
        );
        $query->set('tax_query', $tax_query);
    }
});

add_filter( 'found_posts', function( $found_posts, $query ) {
    if ( ! is_admin() && $query->is_main_query() && ( $query->is_shop() || $query->get('post_type') === 'product' && $query->is_archive() || (function_exists('wcfm_is_store_page') && wcfm_is_store_page()) ) ) {
        $actual_post_count = count( $query->posts );
        return $actual_post_count;
    }
    return $found_posts;
}, 10, 2 );