Using the custom response facade - www.slashnode.com

UsersController.php

<?php namespace Acme\Controllers;

use Acme\Repositories\UserRepositoryInterface as UserRepository;

class UsersController extends \BaseController
{
  protected $userRepository;
  
  public function __construct(UserRepository $userRepository)
  {
    $this->userRepository = $userRepository;
  }
  
  public function getUsers()
  {
    $users = $this->userRepository->all();
    return \Response::csv($users);
  }
  
  // etc...
}