Wordpress Custom Post Status/State - Archive

wp-archive-state.php

<?php
// Tested in WP Version - 5.9.3
// This file is part of functions.php

// Manipulate robots based on post status.
add_filter( 'wpseo_robots', 'yoast_seo_update_archive_robots_meta' );
function yoast_seo_update_archive_robots_meta( $robots ) {
    if ( get_post_status() == 'archived') {
        return 'noindex,nofollow';
    } else {
        return $robots;
    }
}

// Display post status in title
add_filter('display_post_states', 'archive_title', 10, 2);
function archive_title( $states, $post ) {
    if('event' == get_post_type($post->ID) && $post->post_status == 'archived')
        return ['Archived'];
    return $states;
}


function register_archive_post_status(){
    register_post_status( 'archived', array(
        'label'                     => _x( 'Archived', 'post' ),
        'label_count'               => _n_noop( 'Archived <span class="count">(%s)</span>', 'Archived <span class="count">(%s)</span>'),
        'public'                    => true,
        'exclude_from_search'       => false
    ));
}
add_action( 'init', 'register_archive_post_status' );

add_action('admin_footer-post.php', 'append_archive_post_status');
function append_archive_post_status() {
    global $post;
    $complete = '';
    $label = '';
    if($post->post_type == 'event'){
        if($post->post_status == 'archived'){
            $complete = ' selected="selected"';
            $label = '<span id="post-status-display"> Archived</span>';
        }
        echo '<script>jQuery(document).ready(function($){
			$("select#post_status").append("<option value=\"archived\" '.$complete.'>Archived</option>");
			$(".misc-pub-section label").append("'.$label.'");
		});</script>';
    }
}

add_action('admin_footer-edit.php', 'append_archive_post_status_to_quick_edit');
function append_archive_post_status_to_quick_edit() {
    echo '<script>jQuery(document).ready( function() {
		jQuery( "select[name=\"_status\"]" ).append( "<option value=\"archived\">Archived</option>" );
	});</script>';
}