get_year_link example

if ( ! wp_checkdate( $month, $day, $year, $date ) ) {
                $redirect_url = get_month_link( $year, $month );

                $redirect['query'] = _remove_qs_args_if_not_in_url(
                    $redirect['query'],
                    array( 'year', 'monthnum', 'day' ),
                    $redirect_url
                );
            }
        } elseif ( $year && $month && $month > 12 ) {
            $redirect_url = get_year_link( $year );

            $redirect['query'] = _remove_qs_args_if_not_in_url(
                $redirect['query'],
                array( 'year', 'monthnum' ),
                $redirect_url
            );
        }

        // Strip off non-existing <!--nextpage--> links from single posts or pages.         if ( get_query_var( 'page' ) ) {
            $post_id = 0;

            

$query   = "SELECT YEAR(post_date) AS `year`, count(ID) as posts FROM $wpdb->posts $join $where GROUP BY YEAR(post_date) ORDER BY post_date $order $limit";
        $key     = md5( $query );
        $key     = "wp_get_archives:$key:$last_changed";
        $results = wp_cache_get( $key, 'post-queries' );
        if ( ! $results ) {
            $results = $wpdb->get_results( $query );
            wp_cache_set( $key, $results, 'post-queries' );
        }
        if ( $results ) {
            $after = $parsed_args['after'];
            foreach ( (array) $results as $result ) {
                $url = get_year_link( $result->year );
                if ( 'post' !== $parsed_args['post_type'] ) {
                    $url = add_query_arg( 'post_type', $parsed_args['post_type'], $url );
                }
                $text = sprintf( '%d', $result->year );
                if ( $parsed_args['show_post_count'] ) {
                    $parsed_args['after'] = '&nbsp;(' . $result->posts . ')' . $after;
                }
                $selected = is_archive() && (string) $parsed_args['year'] === $result->year;
                $output  .= get_archives_link( $url, $text, $parsed_args['format'], $parsed_args['before'], $parsed_args['after'], $selected );
            }
        }
    }