function __get_option( $setting ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
  global $wpdb;

  if ( $setting == 'home' && defined( 'WP_HOME' ) ) {
    return untrailingslashit( WP_HOME );
  }

  if ( $setting == 'siteurl' && defined( 'WP_SITEURL' ) ) {
    return untrailingslashit( WP_SITEURL );
  }

  $option = $wpdb->get_var( $wpdb->prepare( "SELECT option_value FROM $wpdb->options WHERE option_name = %s", $setting ) );

  if ( 'home' == $setting && '' == $option ) {
    return __get_option( 'siteurl' );
  }

  if ( 'siteurl' == $setting || 'home' == $setting || 'category_base' == $setting || 'tag_base' == $setting ) {
    $option = untrailingslashit( $option );
  }

  return maybe_unserialize( $option );
}