Simple WordPress page breadcrumbs

wordpress-breadcrumbs.php

function the_breadcrumb() {
	global $post;
	echo '<ul>';
	if (!is_home()) {
		$parent_link = get_permalink($post->post_parent); 
		echo '<li><a href="';
		echo $parent_link;;
		echo '">';
		echo ''.get_the_title($post->post_parent).'';
		echo "</a></li>";	

		if (is_page()) {				
			echo '<li> &raquo; ';
			echo the_title();
			echo '</li>';				
			} 
		echo '</ul>';
	}
}