Breadcrumbs - Modified/Big Brother theme

gistfile1.phtml

/**
 * Breadcrumbs @ https://wpcom-themes.svn.automattic.com/big-brother/functions.php
 */
function myplugin_breadcrumbs() { ?>
	<div class="breadcrumbs">
		<?php 
			$sep 	= '<span class="breadcrumbs-seperator">' . __( '&raquo;' ) . '</span>';
	
			$before 	= '<span class="breadcrumbs-current">' . $sep ;
			$after 	= '</span>';
	
			echo '<a class="breadcrumbs-home" href="' . esc_url( home_url( '/' ) ) . '">' . __( 'Home' ) . '</a>';
	
			if ( is_attachment() ) {
				global $post;
				if ( $post->post_parent ) {
					echo $sep . '<a class="breadcrumbs-ancestor" href="' . esc_url( get_permalink( $post->post_parent ) ) . '">' . get_the_title( $post->post_parent ) . '</a>' . $before . get_the_title() . $after;
				}
				else {
					echo $before . get_the_title() . $after;
				}
			}
			elseif ( is_page() ) {
				global $post;
				if ( $post->post_parent ) {
					$parent_id  = $post->post_parent;
					$parent_links = array();
					while ( $parent_id ) {
						$page = get_post( $parent_id );
						$parent_links[] =  $sep . '<a class="breadcrumbs-ancestor" href="' . esc_url( get_permalink( $page->ID ) ) . '">' . get_the_title( $page->ID ) . '</a>';
						$parent_id  = $page->post_parent;
					}
					echo implode( array_reverse( $parent_links ) );
				}
				echo $before . get_the_title() . $after;
			}
			elseif ( is_search() ) {
				echo $before . sprintf( __( 'Search results for &#39;%s&#39;' ), get_search_query() ) . $after;
			}
			elseif ( is_404() ) {
				echo $before . __( 'Page not found' ) . $after;
			}
		?>
	</div>
	<?php 
}