findByEmailToken() public method

public findByEmailToken ( string $token ) : Model | null
$token string
return Illuminate\Database\Eloquent\Model | null
 /**
  * Change the user's email.
  *
  * @param Request $request
  *
  * @return \Illuminate\Http\RedirectResponse
  */
 public function changeEmail(Request $request)
 {
     $user = $this->repository->findByEmailToken($request->get('token'));
     if ($request->get('email')) {
         $user->email = $request->get('email');
         $user->email_token = '';
         $user->save();
     }
     return redirect()->to('/');
 }