--TEST--
SPL: RecursiveIteratorIterator and beginChildren/endChildren
--FILE--
<?php

class RecursiveArrayIterator extends ArrayIterator implements RecursiveIterator
{
	function hasChildren()
	{
		return is_array($this->current());
	}
	
	function getChildren()
	{
		return new RecursiveArrayIterator($this->current());
	}
}

class RecursiveArrayIteratorIterator extends RecursiveIteratorIterator
{
	function rewind()
	{
		echo "<ul>\n";
		parent::rewind();
	}
	function beginChildren()
	{
		echo str_repeat('  ',$this->getDepth())."<ul>\n";
	}

	function endChildren()
	{
		echo str_repeat('  ',$this->getDepth()+1)."</ul>\n";
	}
	function valid()
	{
		if (!parent::valid()) {
			echo "<ul>\n";
			return false;
		}
		return true;
	}
}

$arr = array("a", array("ba", array("bba", "bbb"), array(array("bcaa"))), array("ca"), "d");
$obj = new RecursiveArrayIterator($arr);
$rit = new RecursiveArrayIteratorIterator($obj);
foreach($rit as $k=>$v)
{
	echo str_repeat('  ',$rit->getDepth()+1)."$k=>$v\n";
}
?>
===DONE===
<?php exit(0); ?>
--EXPECTF--
<ul>
  0=>a
  <ul>
    0=>ba
    <ul>
      0=>bba
      1=>bbb
    </ul>
    <ul>
      <ul>
        0=>bcaa
      </ul>
    </ul>
  </ul>
  <ul>
    0=>ca
  </ul>
  3=>d
<ul>
===DONE===