HelloWorld.php

<?php

// Stuff to figure out:
// - where should this file live and in what folder structure of /vendor
// - what namespace should this class have
// - how do you autoload this class?
// - how do you use this class within a controller

namespace Quickbase\Quickbase\{foldername};

class HelloWorld
{
  public function __constructor() {}
  
  public static function helloWorld() {
     return "Hello World.";
  }
}