WordPress Breadcrumb

// breadcrumb
function ration_the_breadcrumb() {
    if (!is_front_page()) {
        echo '<li class="breadcrumb-item"><a href="'.esc_url(site_url()).'">Home </a></li>';
        if (is_category() || is_single()) {
            echo '<li class="breadcrumb-item active">';
            the_category(', ');
            echo '</li>';
            if (is_single()) {
                echo '<li class="breadcrumb-item active">'.get_the_title().'<li>';
            }
        } elseif (is_home()) {
            echo '<li class="breadcrumb-item active"><a href="'.get_the_permalink(get_queried_object_id()).'">'.get_the_title(get_queried_object_id()).'</a><li>';
        }elseif (is_page()) {
            echo '<li class="breadcrumb-item active"><a href="'.get_the_permalink().'">'.get_the_title().'</a><li>';
        }
    }
}