protected function popsInnerIterator()
    {
        if (null === $this->popsInnerIterator) {
            $this->popsInnerIterator = $this->popsCreateInnerIterator();
        }

        return $this->popsInnerIterator;
    }
protected function popsInnerIterator()
    {
        if (null === $this->popsInnerIterator) {
            $this->popsInnerIterator = $this->popsCreateInnerIterator();
        }

        return $this->popsInnerIterator;
    }
protected function popsInnerIterator ( ) { if ( null === $ this -> popsInnerIterator ) { $ this -> popsInnerIterator = $ this -> popsCreateInnerIterator ( ) ; } return $ this -> popsInnerIterator ; }
Get an iterator for the wrapped object.

@return Iterator An iterator for the wrapped object.
Get an iterator for the wrapped object .