<?php
function list_all_archive_urls() {
    $urls = [];

    // Category archives
    $categories = get_categories([
        'hide_empty' => true,
    ]);
    foreach ($categories as $category) {
        $urls[] = get_category_link($category->term_id);
    }

    // Tag archives
    $tags = get_tags([
        'hide_empty' => true,
    ]);
    foreach ($tags as $tag) {
        $urls[] = get_tag_link($tag->term_id);
    }

    // Author archives
    $authors = get_users([
        'who' => 'authors',
        'has_published_posts' => true,
    ]);
    foreach ($authors as $author) {
        $urls[] = get_author_posts_url($author->ID);
    }

    // Custom post type archives
    $post_types = get_post_types([
        'public' => true,
        '_builtin' => false, // Exclude built-in post types like post/page
        'has_archive' => true,
    ], 'objects');

    foreach ($post_types as $post_type) {
        if (!empty($post_type->has_archive)) {
            $urls[] = get_post_type_archive_link($post_type->name);
        }
    }

    return $urls;
}

// Example output:
$archive_urls = list_all_archive_urls();
foreach ($archive_urls as $url) {
    echo esc_url($url) . "<br>";
}


?>