wp_robots_noindex

WordPress Version: 6.1

/**
 * Adds `noindex` to the robots meta tag if required by the site configuration.
 *
 * If a blog is marked as not being public then noindex will be output to
 * tell web robots not to index the page content. Add this to the
 * {@see 'wp_robots'} filter.
 *
 * Typical usage is as a {@see 'wp_robots'} callback:
 *
 *     add_filter( 'wp_robots', 'wp_robots_noindex' );
 *
 * @since 5.7.0
 *
 * @see wp_robots_no_robots()
 *
 * @param array $robots Associative array of robots directives.
 * @return array Filtered robots directives.
 */
function wp_robots_noindex(array $robots)
{
    if (!get_option('blog_public')) {
        return wp_robots_no_robots($robots);
    }
    return $robots;
}