Schema::rename PHP Method

        public static function rename($from, $to)
        {
            //Method inherited from \Illuminate\Database\Schema\Builder
            return \Illuminate\Database\Schema\MySqlBuilder::rename($from, $to);
        }

 public function update($object_name)
 {
     //rename table if necessary
     $object = DB::table(DB_OBJECTS)->where('name', $object_name)->first();
     $new_name = Str::slug(Input::get('name'), '_');
     if ($object->name != $new_name) {
         Schema::rename($object->name, $new_name);
     }
     //enforce predence always ascending
     $order_by = Input::get('order_by');
     $direction = Input::get('direction');
     if ($order_by == 'precedence') {
         $direction = 'asc';
     }
     //not sure why it's necessary, doesn't like empty value all of a sudden
     $group_by_field = Input::has('group_by_field') ? Input::get('group_by_field') : null;
     //linked objects
     DB::table(DB_OBJECT_LINKS)->where('object_id', $object->id)->delete();
     if (Input::has('related_objects')) {
         foreach (Input::get('related_objects') as $linked_id) {
             DB::table(DB_OBJECT_LINKS)->insert(['object_id' => $object->id, 'linked_id' => $linked_id]);
         }
     }
     //update objects table
     DB::table(DB_OBJECTS)->where('id', $object->id)->update(['title' => Input::get('title'), 'name' => $new_name, 'model' => Input::get('model'), 'url' => Input::get('url'), 'order_by' => $order_by, 'direction' => $direction, 'singleton' => Input::has('singleton') ? 1 : 0, 'can_see' => Input::has('can_see') ? 1 : 0, 'can_create' => Input::has('can_create') ? 1 : 0, 'can_edit' => Input::has('can_edit') ? 1 : 0, 'list_grouping' => Input::get('list_grouping'), 'group_by_field' => $group_by_field, 'list_help' => trim(Input::get('list_help')), 'form_help' => trim(Input::get('form_help'))]);
     self::saveSchema();
     return Redirect::action('InstanceController@index', $new_name);
 }