laravel-api-simple-blog/app/Http/Controllers/UserController.php

<?php

namespace App\Http\Controllers;

use App\Models\User;
use Illuminate\Http\Request;

class UserController extends Controller
{
    // GET /user
    public function index()
    {
        return response(User::all());
    }

    // GET /user/{id}
    public function show(string $id)
    {
        $user = User::query()->findOrFail('id', $id);

        return response($user);
    }

    // POST /user
    public function store(Request $request)
    {
        return response("Create user");
    }

    // PUT /user/{id}
    public function update(Request $request, string $id)
    {
        return response("Update user " . $id);
    }

    // DELETE /user/{id}
    public function destroy(string $id)
    {
        return response("Destroy user " . $id);
    }
}