<?php
  
  namespace FootyRoom\App;
  
  use Exception;
  
  abstract class Dto
  {
      /**
       * Convenience method with construction by mapping an array input to class
       * properties. If a passed property does not exist on the class an exception
       * is thrown.
       *
       * @param array $data
       *
       * @throws \Exception
       */
      public function __construct(array $data = [])
      {
          foreach ($data as $key => $value) {
              if (!property_exists($this, $key)) {
                  throw new Exception(
                      sprintf('Property "%s" is not a valid property on "%s".', $key, get_class($this))
                  );
              }
  
              $this->$key = $value;
          }
      }
  
      /**
       * Prevents setting undefined public properties.
       *
       * @param string $name
       * @param mixed $value
       *
       * @throws \Exception
       */
      public function __set($name, $value)
      {
          throw new Exception('Attempting to set non-existent public propety.');
      }
  }