read data from xml and the read it in excel in php

 [166] => Array
        (
            [0] => 2014-02
            [1] => 21.11  
            [2] => SimpleXMLElement Object
                (
                    [0] => Salvequick plastic plaster box
                )

            [3] => SimpleXMLElement Object
                (
                    [0] => Variabele Kosten
                )

        )