bcn_display() and bcn_display_list() wrapper functions obey the
$return parameter.bcn_breadcrumb_trail::category_parents to work around a bug in get_category that causes a WP_Error to be thrown.bcn_display() works with the same inputs as bcn_breadcrumb_trail::display().bcn_display() multiple times will not place duplicate breadcrumbs into the trail.bcn_breadcrumb_trail::fill() is safe to call within the loop.



