public function output() {
    global $current_section;

    // Load gateways so we can show any global options they may have.
    $payment_gateways = WC()->payment_gateways->payment_gateways();

    if ( $current_section ) {
      foreach ( $payment_gateways as $gateway ) {
        if ( in_array( $current_section, array( $gateway->id, sanitize_title( get_class( $gateway ) ) ), true ) ) {
          if ( isset( $_GET['toggle_enabled'] ) ) { // WPCS: input var ok, CSRF ok.
            $enabled = $gateway->get_option( 'enabled' );

            if ( $enabled ) {
              $gateway->settings['enabled'] = wc_string_to_bool( $enabled ) ? 'no' : 'yes';
            }
          }
          $gateway->admin_options();
          break;
        }
      }
    }
    $settings = $this->get_settings( $current_section );
    WC_Admin_Settings::output_fields( $settings );
  }