WordPress - Breadcrumbs

/* Breadcrumbs */
function get_breadcrumbs() {
global $wp_query;
if ( !is_home() ){
echo '<div class="breadcrumb">';
echo '<ul>';
echo '<li><a href="'. get_option('home') .'">Início &nbsp;</a></li>';
if ( is_category() ) {
$catTitle = single_cat_title( "", false );
$cat = get_cat_ID( $catTitle );
echo "<li> <span>&nbsp;»</span> ". get_category_parents( $cat, TRUE, " <span>»</span>  " ) ."</li>";
}
elseif ( is_archive() && !is_category() ) {
echo "<li> <span>&nbsp;»</span> Archives</li>";
}
elseif ( is_search() ) {
echo "<li> <span> »</span> Search Results</li>";
}
elseif ( is_404() ) {
echo "<li> <span> »</span> 404 Not Found</li>";
}
elseif ( is_single() ) {
$category = get_the_category();
$category_id = get_cat_ID( $category[0]->cat_name );
echo '<li> <span> »</span> '. get_category_parents( $category_id, TRUE, " <span>»</span>  " );
echo the_title('','', FALSE) ."</li>";
}
elseif ( is_page() ) {
$post = $wp_query->get_queried_object();
if ( $post->post_parent == 0 ){
echo "<li> <span>&nbsp;»</span> ".the_title('','', FALSE)."</li>";
} else {
$title = the_title('','', FALSE);
$ancestors = array_reverse( get_post_ancestors( $post->ID ) );
array_push($ancestors, $post->ID);
foreach ( $ancestors as $ancestor ){
if( $ancestor != end($ancestors) ){
echo '<li> <span>&nbsp;»</span> <a href="'. get_permalink($ancestor) .'">'. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'</a></li>';
} else {
echo '<li> <span>&nbsp;»</span> '. strip_tags( apply_filters( 'single_post_title', get_the_title( $ancestor ) ) ) .'</li>';
}
}
}
}
echo '</ul>';
echo '</div>';
}
}