WC_Shipping_Zones::get_zone PHP Méthode

    public static function get_zone($zone_id)
    {
        return self::get_zone_by('zone_id', $zone_id);
    }

 /**
  * Save shipping and tax options.
  */
 public function wc_setup_shipping_taxes_save()
 {
     check_admin_referer('wc-setup');
     $enable_shipping = isset($_POST['woocommerce_calc_shipping']);
     $enable_taxes = isset($_POST['woocommerce_calc_taxes']);
     if ($enable_shipping) {
         update_option('woocommerce_ship_to_countries', '');
     } else {
         update_option('woocommerce_ship_to_countries', 'disabled');
     }
     update_option('woocommerce_calc_taxes', $enable_taxes ? 'yes' : 'no');
     update_option('woocommerce_prices_include_tax', sanitize_text_field($_POST['woocommerce_prices_include_tax']));
     if ($enable_shipping && !empty($_POST['shipping_cost_domestic'])) {
         // Create a domestic shipping zone
         $zone = new WC_Shipping_Zone($zone_data['zone_id']);
         $zone->set_zone_name(__('Domestic', 'woocommerce'));
         $zone->set_zone_order(1);
         $zone->add_location(WC()->countries->get_base_country(), 'country');
         $zone->save();
         // Add a flat rate shipping method to this domestic zone
         $instance_id = $zone->add_shipping_method('flat_rate');
         $shipping_method = new WC_Shipping_Flat_Rate($instance_id);
         $option_key = $shipping_method->get_instance_option_key();
         // Update rate settings
         $costs = array();
         $costs[] = wc_format_decimal(sanitize_text_field($_POST['shipping_cost_domestic']));
         if ($item_cost = sanitize_text_field($_POST['shipping_cost_domestic_item'])) {
             $costs[] = $item_cost . ' * [qty]';
         }
         $shipping_method->instance_settings['cost'] = implode(' + ', array_filter($costs));
         $shipping_method->instance_settings['enabled'] = 'yes';
         $shipping_method->instance_settings['type'] = 'order';
         update_option($option_key, $shipping_method->instance_settings);
     }
     if ($enable_shipping && !empty($_POST['shipping_cost_worldwide'])) {
         // Add a flat rate shipping method to the worldwide zone
         $zone = WC_Shipping_Zones::get_zone(0);
         $instance_id = $zone->add_shipping_method('flat_rate');
         $shipping_method = new WC_Shipping_Flat_Rate($instance_id);
         $option_key = $shipping_method->get_instance_option_key();
         // Update rate settings
         $costs = array();
         $costs[] = wc_format_decimal(sanitize_text_field($_POST['shipping_cost_worldwide']));
         if ($item_cost = sanitize_text_field($_POST['shipping_cost_worldwide_item'])) {
             $costs[] = $item_cost . ' * [qty]';
         }
         $shipping_method->instance_settings['cost'] = implode(' + ', array_filter($costs));
         $shipping_method->instance_settings['enabled'] = 'yes';
         $shipping_method->instance_settings['type'] = 'order';
         update_option($option_key, $shipping_method->instance_settings);
     }
     if ($enable_taxes && !empty($_POST['woocommerce_import_tax_rates'])) {
         $locale_info = (include WC()->plugin_path() . '/i18n/locale-info.php');
         $tax_rates = array();
         $country = WC()->countries->get_base_country();
         $state = WC()->countries->get_base_state();
         if (isset($locale_info[$country])) {
             if (isset($locale_info[$country]['tax_rates'][$state])) {
                 $tax_rates = $locale_info[$country]['tax_rates'][$state];
             } elseif (isset($locale_info[$country]['tax_rates'][''])) {
                 $tax_rates = $locale_info[$country]['tax_rates'][''];
             }
             if (isset($locale_info[$country]['tax_rates']['*'])) {
                 $tax_rates = array_merge($locale_info[$country]['tax_rates']['*'], $tax_rates);
             }
         }
         if ($tax_rates) {
             $loop = 0;
             foreach ($tax_rates as $rate) {
                 $tax_rate = array('tax_rate_country' => $rate['country'], 'tax_rate_state' => $rate['state'], 'tax_rate' => $rate['rate'], 'tax_rate_name' => $rate['name'], 'tax_rate_priority' => isset($rate['priority']) ? absint($rate['priority']) : 1, 'tax_rate_compound' => 0, 'tax_rate_shipping' => $rate['shipping'] ? 1 : 0, 'tax_rate_order' => $loop++, 'tax_rate_class' => '');
                 WC_Tax::_insert_tax_rate($tax_rate);
             }
         }
     }
     wp_redirect(esc_url_raw($this->get_next_step_link()));
     exit;
 }