Wordpress: Breadcrumbs function

breadcrumbs-functions.php

<?php
/*=============================================
=            BREADCRUMBS			            =
=============================================*/

//  to include in functions.php
function the_breadcrumb() {

    $sep = ' > ';

    if (!is_front_page()) {
	
	// Start the breadcrumb with a link to your homepage
        echo '<div class="breadcrumbs">';
        echo '<a href="';
        echo get_option('home');
        echo '">';
        bloginfo('name');
        echo '</a>' . $sep;
	
	// Check if the current page is a category, an archive or a single page. If so show the category or archive name.
        if (is_category() || is_single() ){
            the_category('title_li=');
        } elseif (is_archive() || is_single()){
            if ( is_day() ) {
                printf( __( '%s', 'text_domain' ), get_the_date() );
            } elseif ( is_month() ) {
                printf( __( '%s', 'text_domain' ), get_the_date( _x( 'F Y', 'monthly archives date format', 'text_domain' ) ) );
            } elseif ( is_year() ) {
                printf( __( '%s', 'text_domain' ), get_the_date( _x( 'Y', 'yearly archives date format', 'text_domain' ) ) );
            } else {
                _e( 'Blog Archives', 'text_domain' );
            }
        }
	
	// If the current page is a single post, show its title with the separator
        if (is_single()) {
            echo $sep;
            the_title();
        }
	
	// If the current page is a static page, show its title.
        if (is_page()) {
            echo the_title();
        }
	
	// if you have a static page assigned to be you posts list page. It will find the title of the static page and display it. i.e Home >> Blog
        if (is_home()){
            global $post;
            $page_for_posts_id = get_option('page_for_posts');
            if ( $page_for_posts_id ) { 
                $post = get_post($page_for_posts_id);
                setup_postdata($post);
                the_title();
                rewind_posts();
            }
        }

        echo '</div>';
    }
}
/*
* Credit: http://www.thatweblook.co.uk/blog/tutorials/tutorial-wordpress-breadcrumb-function/
*/
?>

calling-function.php

<!-- start breadcrumbs -->
<?php the_breadcrumb(); ?>
<!-- end breadcrumbs -->

For those looking for a more thorough implementation please take a look at how to handle breadcrumbs in WordPress. It includes most of what this gist does, but then also includes various missing features for handling custom post types, parent pages and doesn't use any deprecated functions. Definitely recommend.