Breadcrumb functions for WordPress

gistfile1.php

<?php 

	function the_breadcrumb(){
		echo get_breadcrumb();
	}
	
	function get_breadcrumb(){
		
		global $post;
		$posts = array();
		$current_post = get_post();
		
		// Add home
		$posts[] = array('title' => 'Home', 'permalink' => home_url());
		
		// Loop parents
		while( $current_post->post_parent ){
			$current_post = get_post( $post->post_parent );
			$posts[] = array('title' => $current_post->post_title, 'permalink' => get_permalink( $current_post->ID ) );
		}
		
		// Get this page
		if( !is_front_page() ){
        		$posts[] = array('title' => get_the_title(), 'permalink' => null);
    		}
    		
		// Print HTML
		$html = "<ul class='breadcrumb'>";
		foreach( $posts as $breadcrumb_post ){
			if( is_null($breadcrumb_post['permalink']) ){
				$html .= "<li><span>" . ucfirst($breadcrumb_post['title']) . "</span></li>";
			}else{
				$html .= "<li><a href='" . $breadcrumb_post['permalink'] . "'>" . ucfirst($breadcrumb_post['title']) . "</a></li>";
			}
		}
		$html .= "</ul>";
		
		return $html;
		
	}
	
?>