Breadcrumb Wordpress

function breadcrumbs()
{
$delimiter = '»';
$name = 'Főoldal';
$currentBefore = '<span class="current">';
$currentAfter = '</span>';
 
global $post;
$home = get_bloginfo('url');
 
if(is_home() && get_query_var('paged') == 0) 
echo '<span class="home">' . $name . '</span>';
else
echo '<a class="home" href="' . $home . '">' . $name . '</a> '. $delimiter . ' ';
 
if ( is_category() )
{
global $wp_query;
$cat_obj = $wp_query->get_queried_object();
$thisCat = $cat_obj->term_id;
$thisCat = get_category($thisCat);
$parentCat = get_category($thisCat->parent);
if ($thisCat->parent != 0) echo(get_category_parents($parentCat, TRUE, ' ' . $delimiter . ' '));
echo $currentBefore;
single_cat_title();
echo $currentAfter;
 
}
elseif ( is_day() )
{
echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
echo '<a href="' . get_month_link(get_the_time('Y'),get_the_time('m')) . '">' . get_the_time('F') . '</a> ' . $delimiter . ' ';
echo $currentBefore . get_the_time('d') . $currentAfter;
}
elseif ( is_month() )
{
echo '<a href="' . get_year_link(get_the_time('Y')) . '">' . get_the_time('Y') . '</a> ' . $delimiter . ' ';
echo $currentBefore . get_the_time('F') . $currentAfter;
}
elseif ( is_year() )
{
echo $currentBefore . get_the_time('Y') . $currentAfter;
}
elseif ( is_single() )
{
$cat = get_the_category(); $cat = $cat[0];
echo get_category_parents($cat, TRUE, ' ' . $delimiter . ' ');
echo $currentBefore;
the_title();
echo $currentAfter;
}
elseif ( is_page() && !$post->post_parent )
{
echo $currentBefore;
the_title();
echo $currentAfter;
}
elseif ( is_page() && $post->post_parent )
{
$parent_id = $post->post_parent;
$breadcrumbs = array();
while ($parent_id)
{
$page = get_page($parent_id);
$breadcrumbs[] = '<a href="' . get_permalink($page->ID) . '">' . get_the_title($page->ID) . '</a>';
$parent_id = $page->post_parent;
}
$breadcrumbs = array_reverse($breadcrumbs);
foreach ($breadcrumbs as $crumb) echo $crumb . ' ' . $delimiter . ' ';
echo $currentBefore;
the_title();
echo $currentAfter;
}
elseif ( is_search() )
{
echo $currentBefore . 'Search for ' . get_search_query() . $currentAfter;
}
elseif ( is_tag() )
{
echo $currentBefore;
single_tag_title();
echo $currentAfter;
}
elseif ( is_author() )
{
global $author;
$userdata = get_userdata($author);
echo $currentBefore. $userdata->display_name . $currentAfter;
}
elseif ( is_404() )
{
echo $currentBefore . 'Error 404' . $currentAfter;
}
if ( get_query_var('paged') )
echo $currentBefore . __('Page') . ' ' . get_query_var('paged') . $currentAfter;
}