Solve such a data format

To solve such a data format, you want to store itemID and itemName in the subarray under ItemInfo in an array again. search for Xia PHPcodeobject (SimpleXMLElement) [11] publicItemInfo & gt; array0 & gt; object (SimpleXMLElement) [1 solve such a data format
I want to store itemID and itemName in the subarray under ItemInfo in an array again.

PHP code

  Object (SimpleXMLElement) [11] public 'iteminfo' => array 0 => object (SimpleXMLElement) [13] public 'itemid' => string '123' (length = 10) public 'itemname' => object (SimpleXMLElement) [23]... public 'itemsubhead' => object (SimpleXMLElement) [24]... public 'brand' => object (SimpleXMLElement) [25]... public 'model' => object (SimpleXMLElement) [26]... public 'unitprice' => string '2014-239 '(length = 7) public 'stockcount' => string '8' (length = 1) public 'shopcategorylist' => object (SimpleXMLElement) [27]... public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-07-11 10:36:09' (length = 19) 1 => object (SimpleXMLElement) [14] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [30]... public 'itemsubhead' => object (SimpleXMLElement) [31]... public 'brand' => object (SimpleXMLElement) [32]... public 'model' => object (SimpleXMLElement) [33]... public 'unitprice' => string '2014-9000 '(length = 9) public 'stockcount' => string '0' (length = 1) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-07-11 11:20:07' (length = 19) 2 => object (SimpleXMLElement) [15] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [34]... public 'itemsubhead' => object (SimpleXMLElement) [35]... public 'brand' => object (SimpleXMLElement) [36]... public 'model' => object (SimpleXMLElement) [37]... public 'unitprice' => string '200' (length = 6) public 'stockcount' => string '18' (length = 2) public 'itemstate' => string 'unsalable '(length = 12) public 'updatetime' => string '2017-11-25 15:03:31' (length = 19) 3 => object (SimpleXMLElement) [16] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [38]... public 'itemsubhead' => object (SimpleXMLElement) [39]... public 'brand' => object (SimpleXMLElement) [40]... public 'model' => object (SimpleXMLElement) [41]... public 'unitprice' => string '200' (length = 6) public 'stockcount' => string '20' (length = 2) public 'itemstate' => string 'unsalable '(length = 12) public 'updatetime' => string '2017-11-25 15:03:31' (length = 19) 4 => object (SimpleXMLElement) [17] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [42]... public 'itemsubhead' => object (SimpleXMLElement) [43]... public 'brand' => object (SimpleXMLElement) [44]... public 'model' => object (SimpleXMLElement) [45]... public 'unitprice' => string '5' (length = 1) public 'stockcount' => string '1' (length = 1) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-10-28 16:40:38' (length = 19) public 'outeritemid' => object (SimpleXMLElement) [46]... 5 => object (SimpleXMLElement) [18] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [47]... public 'itemsubhead' => object (SimpleXMLElement) [48]... public 'brand' => object (SimpleXMLElement) [49]... public 'model' => object (SimpleXMLElement) [50]... public 'unitprice' => string '51' (length = 2) public 'stockcount' => string '000000' (length = 3) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-10-28 16:40:38' (length = 19) 6 => object (SimpleXMLElement) [19] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [51]... public 'itemsubhead' => object (SimpleXMLElement) [52]... public 'brand' => object (SimpleXMLElement) [53]... public 'model' => object (SimpleXMLElement) [54]... public 'unitprice' => string '599. 9 '(length = 5) public 'stockcount' => string '12' (length = 2) public 'itemstate' => string' saleable (default value) '(length = 20) public 'updatetime' => string '2017-10-28 16:40:38' (length = 19) 7 => object (SimpleXMLElement) [20] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [55]... public 'itemsubhead' => object (SimpleXMLElement) [56]... public 'brand' => object (SimpleXMLElement) [57]... public 'model' => object (SimpleXMLElement) [58]... public 'unitprice' => string '200' (length = 4) public 'stockcount' => string '10' (length = 2) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-10-28 16:40:38' (length = 19) public 'outeritemid' => object (SimpleXMLElement) [59]... 8 => object (SimpleXMLElement) [21] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [60]... public 'itemsubhead' => object (SimpleXMLElement) [61]... public 'brand' => object (SimpleXMLElement) [62]... public 'model' => object (SimpleXMLElement) [63]... public 'unitprice' => string '45' (length = 2) public 'stockcount' => string '000000' (length = 3) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-07-08 13:26:11' (length = 19) public 'outeritemid' => object (SimpleXMLElement) [64]... 9 => object (SimpleXMLElement) [22] public 'itemid' => string '000000' (length = 10) public 'itemname' => object (SimpleXMLElement) [65]... public 'itemsubhead' => object (SimpleXMLElement) [66]... public 'brand' => object (SimpleXMLElement) [67]... public 'model' => object (SimpleXMLElement) [68]... public 'unitprice' => string '58 '(length = 2) public 'stockcount' => string '000000' (length = 3) public 'itemstate' => string 'saleable (default value) '(length = 20) public 'updatetime' => string '2017-07-06 16:26:39' (length = 19) public 'outeritemid' => object (SimpleXMLElement) [69]