In pee-n-pee u catn just delete an elemaunt. U catn. U must soofer.

    $simplexml_elements_to_delete = array();
    foreach($xml->shop->offers->offer as $offer)
    {
      $simplexml_elements_to_delete[] = $offer;
    }
    foreach($simplexml_elements_to_delete as $element)
    {
      unset($element[0]);
    }

Why? Cos fuk ye, dets whay.