/**
  * Include the settings page classes
  */
 public static function get_settings_pages()
 {
     if (empty(self::$settings)) {
         $settings = array();
         include_once 'settings/class-wc-settings-page.php';
         $settings[] = (include 'settings/class-wc-settings-general.php');
         $settings[] = (include 'settings/class-wc-settings-products.php');
         $settings[] = (include 'settings/class-wc-settings-tax.php');
         $settings[] = (include 'settings/class-wc-settings-checkout.php');
         $settings[] = (include 'settings/class-wc-settings-shipping.php');
         $settings[] = (include 'settings/class-wc-settings-accounts.php');
         $settings[] = (include 'settings/class-wc-settings-emails.php');
         $settings[] = (include 'settings/class-wc-settings-integrations.php');
         self::$settings = apply_filters('woocommerce_get_settings_pages', $settings);
     }
     return self::$settings;
 }