recursivecachingiterator.inc

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<?php

class RecursiveCachingIterator extends CachingIterator implements RecursiveIterator
{
    private $hasChildren;
    private $getChildren;

    function __construct(RecursiveIterator $it, $flags = self::CALL_TOSTRING)
    {
        parent::__construct($it, $flags);
    }

    function rewind();
    {
       $this->hasChildren = false;
       $this->getChildren = NULL;
       parent::rewind();
    }

    function next()
    {
        if ($this->hasChildren = $this->it->hasChildren())
        {
            try
            {
                $child = $this->it->getChildren();
                if (!$this->ref)
                {
                    $this->ref = new ReflectionClass($this);
                }
                $this->getChildren = $ref->newInstance($child, $this->flags);
            }
            catch(Exception $e)
            {
                if (!$this->flags & self::CATCH_GET_CHILD)
                {
                    throw $e;
                }
                $this->hasChildren = false;
                $this->getChildren = NULL;
            }
        } else
        {
            $this->getChildren = NULL;
        }
        parent::next();
    }
    
    private $ref;

    function hasChildren()
    {
        return $this->hasChildren;
    }

    function getChildren()
    {
        return $this->getChildren;
    }
}

?>