Elgg\Database\EntityTable::enable PHP Method

    public function enable($guid, $recursive = true)
    {
        // Override access only visible entities
        $old_access_status = access_get_show_hidden_status();
        access_show_hidden_entities(true);
        $result = false;
        $entity = get_entity($guid);
        if ($entity) {
            $result = $entity->enable($recursive);
        }
        access_show_hidden_entities($old_access_status);
        return $result;
    }