Polylang supported custom breadcrumb

code.php

<?php

// Add Shortcode
function custom_breadcrumb_shortcode() {
    // Get the queried object
    $page = get_queried_object();
    
    // Initialize breadcrumb variable
    $breadcrumb = '<ul class="breadcrumb">';

    // Home link
    $home_text = ''; // Initialize empty home text
    $home_text_tr = 'Anasayfa'; // Turkish home text
    $home_text_en = 'Home'; // English home text
    $home_text_bg = 'Начало'; // Bulgarian home text
    
    // Determine home text based on the current language
    if (function_exists('pll_current_language')) {
        $current_lang = pll_current_language(); // Get current language code
        
        switch ($current_lang) {
            case 'tr':
                $home_text = $home_text_tr;
                break;
            case 'en':
                $home_text = $home_text_en;
                break;
            case 'bg':
                $home_text = $home_text_bg;
                break;
            default:
                $home_text = $home_text_en; // Default to English
                break;
        }
    } else {
        // Fallback to English if Polylang is not active
        $home_text = $home_text_en;
    }

    $breadcrumb .= '<li><a href="' . esc_url(home_url('/')) . '">' . $home_text . '</a></li>';
    
    // Check if it's a single post
    if (is_singular('post')) {
        $breadcrumb .= '<li>' . get_the_title() . '</li>';
    } elseif (is_page()) {
        // Page title
        $breadcrumb .= '<li>' . $page->post_title . '</li>';
    } elseif (is_category()) {
        // Category archive
        $breadcrumb .= '<li>' . single_cat_title('', false) . '</li>';
    } elseif (is_tag()) {
        // Tag archive
        $breadcrumb .= '<li>' . single_tag_title('', false) . '</li>';
    } elseif (is_search()) {
        // Search results page
        $breadcrumb .= '<li>' . __('Search results for', 'your-text-domain') . ' "' . get_search_query() . '"</li>';
    } elseif (is_404()) {
        // 404 page
        $breadcrumb .= '<li>' . __('Error 404: Not Found', 'your-text-domain') . '</li>';
    } else {
        // Default for other archive pages
        $breadcrumb .= '<li>' . post_type_archive_title('', false) . '</li>';
    }

    // End breadcrumb
    $breadcrumb .= '</ul>';
    
    return $breadcrumb;
}
add_shortcode('custom_breadcrumb', 'custom_breadcrumb_shortcode');


?>

style.css

<Style>

.breadcrumb {
  list-style: none;
  padding: 0;
  margin: 0;
}

.breadcrumb li {
display: inline-flex;

  justify-content: center;
  align-content: center;
  align-items: center;
  &,a{
        font-family: "Sora";
  font-size: 14px;
  font-weight: 600;
  }
}


.breadcrumb li:not(:last-child):after {
  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='7.586' height='13.268' viewBox='0 0 7.586 13.268'%3E%3Cpath id='Icon_ionic-ios-arrow-down' data-name='Icon ionic-ios-arrow-down' d='M12.824,16.546l5.017-5.021a.944.944,0,0,1,1.339,0,.956.956,0,0,1,0,1.343L13.5,18.556a.946.946,0,0,1-1.308.028L6.464,12.872A.948.948,0,0,1,7.8,11.529Z' transform='translate(-11.246 19.455) rotate(-90)' fill='%23605f5f'/%3E%3C/svg%3E");
  margin-left: 5px;
  display: inline-flex;
  margin-right: 5px;
}

/* Adjust the font-size, color, and other properties as needed */
.breadcrumb a {
  text-decoration: none;
  color: #605F5F;

}

.breadcrumb a:hover {
 text-decoration: none;
   color: #000;
}


</style>