master/views_2default_2navigation_2breadcrumbs_8php_source.html

 <?php
 echo elgg_view_menu('breadcrumbs', [
     'sort_by' => 'register',
     'class' => elgg_extract_class($vars, ['elgg-breadcrumbs', 'elgg-menu-hz']),
 ]);
elgg_view_menu
elgg_view_menu($menu, array $vars=[])
Render a menu.
Definition: views.php:441

$vars
$vars
Definition: theme.php:5

elgg_extract_class
elgg_extract_class(array $array, array|string $existing=[], string $extract_key= 'class')
Extract class names from an array, optionally merging into a preexisting set.
Definition: elgglib.php:277