public function get_search_result()
 {
     $data['cari'] = Input::get('key');
     $data['result'] = Komunitas::where('nama_komunitas', 'LIKE', '%' . $data['cari'] . '%')->get();
     //var_dump($data['result']);
     return View::make('hasil', $data);
 }
 public function batal_bergabung($id)
 {
     $iduser = Users::where('id', '=', Session::get('user_id'))->first()->id;
     $slug = Komunitas::where('id', '=', $id)->first()->slug;
     KomunitasMember::where('id_user', '=', $iduser)->where('id_komunitas', '=', $id)->delete();
     return Redirect::to('/komunitas/' . $slug);
 }