Special Custom breadcrumb navigation for wordpress

<?php
function the_breadcrumb() {
    // Set the separator character
    $separator = "<div style='padding:0px 5px; '> › </div>";
 
    // Set the character limit for titles
    $title_limit = 30;
 
    // Get the array of breadcrumb items
    $breadcrumbs = array();
 
    // Add the home link
    $breadcrumbs[] = '<a href="' . get_home_url() . '">' . __('Home', 'text-domain') . '</a>';
 
    // Check if it's a single post
    if (is_singular('post')) {
      $category = get_the_category();
      if (!empty($category)) {
        // Get the post category
        $breadcrumbs[] = '<a href="' . get_category_link($category[0]->term_id) . '">' . $category[0]->name . '</a>';
      }
      // Add the current post title with character limit
      $breadcrumbs[] = mb_strimwidth(get_the_title(), 0, $title_limit, '...');
    }
 
    // Check if it's a single page
    elseif (is_singular('page')) {
      // Get the ancestors of the current page
      $ancestors = get_post_ancestors(get_the_ID());
 
      // Reverse the array to start with the top-level parent
      $ancestors = array_reverse($ancestors);
 
      foreach ($ancestors as $ancestor) {
        $breadcrumbs[] = '<a href="' . get_permalink($ancestor) . '">' . mb_strimwidth(get_the_title($ancestor), 0, $title_limit, '...') . '</a>';
      }
 
      // Add the current page title with character limit
      $breadcrumbs[] = mb_strimwidth(get_the_title(), 0, $title_limit, '...');
    }
 
    // Check if it's a single post type
    elseif (is_singular()) {
      global $post;
      $post_type = get_post_type_object($post->post_type);
 
      if ($post_type->has_archive) {
        $archive_link = get_post_type_archive_link($post->post_type);
        $breadcrumbs[] = '<a href="' . $archive_link . '">' . $post_type->labels->name . '</a>';
      }
     
      // Add the current post type title with character limit
      $breadcrumbs[] = mb_strimwidth(get_the_title(), 0, $title_limit, '...');
    }
 
    // Output the breadcrumb HTML
    if (!empty($breadcrumbs)) {
      echo '<div class="breadcrumb">' . implode(' ' . $separator . ' ', $breadcrumbs) . '</div>';
    }
  }