'parent', 'id' => 'id' ) ); } class AWPCP_ContentAwareSidebarsCategoriesWalker extends CAS_Walker_Checklist { private $field_name; public function __construct( $field_name, $tree_type, $fields ) { parent::__construct( $tree_type, $fields ); $this->field_name = $field_name; } public function start_el( &$output, $category, $depth = 0, $args = array(), $current_object_id = 0 ) { $output .= '

' . $category->name . '

' . "\n"; } } }