Recursive Array Iterator

[Gerard Samuel <php-general@xxxxxxxxxx>]

Im trying to figure out how to create this.
But Im stuck in the foreach loop.
For some reason, $value in the foreach loop is not an object (Isn't is 
supposed to be?)
Any hints to get me in the right direction.
Thanks

$array = array(1 => array(2 => array(3 => array(4))));

class recursiveArrayIterator extends ArrayIterator implements 
RecursiveIterator
{
   function __construct($array)
   {
       parent::__construct( $array );
   }

   function hasChildren()
   {
   }

   function getChildren()
   {
   }
}

$obj = new recursiveArrayIterator( $array );
//reflectionObject::export($obj);
foreach($obj as $value)
{
   var_dump($value);
}

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