<?php

//copyright Lawrence Truett and FluffyCat.com 2006, all rights reserved

  include_once('PatternSubject.php');
  include_once('PatternObserver.php');

  define('BR', '<'.'BR'.'>');

  echo 'BEGIN TESTING OBSERVER PATTERN'.BR;
  echo BR;

  $patternGossiper = new PatternSubject();
  $patternGossipFan = new PatternObserver();
  $patternGossiper->attach($patternGossipFan);

  $patternGossiper->updateFavorites(
     'abstract factory, decorator, visitor');

  $patternGossiper->updateFavorites(
     'abstract factory, observer, decorator');
  $patternGossiper->detach($patternGossipFan);

  $patternGossiper->updateFavorites(
    'abstract factory, observer, paisley');

  echo BR.BR;
  echo 'END TESTING OBSERVER PATTERN'.BR;

?>