recursivecomparedualiterator.inc

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<?php

class RecursiveCompareDualIterator extends RecursiveIteratorIterator
{
    protected $equal = false;

    function __construct(RecursiveDualIterator $it, $mode = self::LEAVES_ONLY, $flags = 0)
    {
        parent::__construct($it);
    }

    function rewind()
    {
        $this->equal = true;
        parent::rewind();
    }

    function endChildren()
    {
        $this->equal &= !$this->getInnerIterator()->getLHS()->valid()
                     && !$this->getInnerIterator()->getRHS()->valid();
    }

    function areIdentical()
    {
        return $this->equal && $this->getInnerIterator()->areIdentical();
    }

    function areEqual()
    {
        return $this->equal && $this->getInnerIterator()->areEqual();
    }
}

?>