[PHP] php in free() error

[Gerard Samuel]

Im playing around with iterators, and Im getting this error ->
php in free(): warning: chunk is already free
Im running php 5.0.3 on FreeBSD 5.3.
Any ideas what may be wrong?
Thanks
<?php
$array = array(0 => array('world'));
class RecursiveArrayIterator extends ArrayIterator implements 
RecursiveIterator
{
   function hasChildren()
   {
       return (is_array($this->current()));
   }

   function getChildren()
   {
       return new self($this->current());
   }
}
$it = new RecursiveIteratorIterator(new RecursiveArrayIterator($array));
foreach($it as $key => $val)
{
   var_dump($key, $val);
}
?>
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