WC_Query::get_catalog_ordering_args PHP 메소드

    public function get_catalog_ordering_args($orderby = '', $order = '')
    {
        // Get ordering from query string unless defined
        if (!$orderby) {
            $orderby_value = isset($_GET['orderby']) ? wc_clean($_GET['orderby']) : apply_filters('woocommerce_default_catalog_orderby', get_option('woocommerce_default_catalog_orderby'));
            // Get order + orderby args from string
            $orderby_value = explode('-', $orderby_value);
            $orderby = esc_attr($orderby_value[0]);
            $order = !empty($orderby_value[1]) ? $orderby_value[1] : $order;
        }
        $orderby = strtolower($orderby);
        $order = strtoupper($order);
        $args = array();
        // default - menu_order
        $args['orderby'] = 'menu_order title';
        $args['order'] = 'DESC' === $order ? 'DESC' : 'ASC';
        $args['meta_key'] = '';
        switch ($orderby) {
            case 'rand':
                $args['orderby'] = 'rand';
                break;
            case 'date':
                $args['orderby'] = 'date ID';
                $args['order'] = 'ASC' === $order ? 'ASC' : 'DESC';
                break;
            case 'price':
                $args['orderby'] = "meta_value_num ID";
                $args['order'] = 'DESC' === $order ? 'DESC' : 'ASC';
                $args['meta_key'] = '_price';
                break;
            case 'popularity':
                $args['meta_key'] = 'total_sales';
                // Sorting handled later though a hook
                add_filter('posts_clauses', array($this, 'order_by_popularity_post_clauses'));
                break;
            case 'rating':
                $args['meta_key'] = '_wc_average_rating';
                $args['orderby'] = array('meta_value_num' => 'DESC', 'ID' => 'ASC');
                break;
            case 'title':
                $args['orderby'] = 'title';
                $args['order'] = 'DESC' === $order ? 'DESC' : 'ASC';
                break;
        }
        return apply_filters('woocommerce_get_catalog_ordering_args', $args);
    }

 /**
  * Gets sorting options
  *
  * @access public
  * @return array
  */
 public static function getSorting()
 {
     $order = array('orderby' => '', 'order' => '', 'meta_key' => '');
     if (self::isActive()) {
         $query = new WC_Query();
         $order = $query->get_catalog_ordering_args();
     }
     return $order;
 }