example.php

public function changePassword()
    {
        try {
            $user = User::findOrFail(request()->input('id'));

            if (Hash::check(request()->input('password'), $user->password)) {
                throw ValidationException::withMessages([
                    'password' => ['translation.newPasswordMustBeDifferent']
                ]);
            }

            request()->validate([
                'password' => 'required|string|min:6',
            ]);

            $user->password = bcrypt(request()->input('password'));
            $user->save();

            return response()->json([
                'status' => 1,
                'message' => 'success',
            ]);
        } catch (ValidationException $ex) {
            return response()->json([
                'status' => 0,
                'message' => 'error',
                'error' => $ex->errors(),
            ], 422);
        } catch (\Exception $ex) {
            return response()->json([
                'status' => 0,
                'message' => 'error',
                'error' => $ex->getMessage(),
            ], 500);
        }
    }