<?
$users = new ArrayObject(array("hasin"=>"hasin@pageflakes.com",
   "afif"=>"mayflower@phpxperts.net",
   "ayesha"=>"florence@pageflakes.net"));
$iterator = $users->getIterator();
while ($iterator->valid())
{
   echo "{$iterator->key()} Adres e-mail to
      {$iterator->current()}\n";
      $iterator->next();
}
?>
