Issue In Fetch The Order Details in amazon API - web-services

Question

I am Not able to fetch all the correct order details in ListOrderSample.php File ..in some orders date is wrong or in some orders address is missing .Please suggest me a solution. I have attached the code which i am using
$i=0;
$prevclr="";
if(is_object($x3)){
foreach ($x3->childNodes AS $item) {
$x4 = $x3->childNodes->item(0);
$i++;
$OrdID = $item->childNodes->item(0)->nodeValue;
$Purchase_dt = $item->childNodes->item(1)->nodeValue;
$Purchase_dtt = $Purchase_dt;
$Purchase_dtt_display = "";
if($Purchase_dtt!=NULL){
$timestamp = strtotime($Purchase_dtt);
$Purchase_dtt_display = date('m/d/Y',$timestamp);
}
$Ord_status = $item->childNodes->item(3)->nodeValue;
if($Ord_status == "Canceled" || $Ord_status == "Pending"){
$ship_add_str = "-";
$Ord_tot_str = "-";
$Ord_typp = $item->childNodes->item(12)->nodeValue;
$pay_mthod = "-";
$buyerstr="-";
}
else{
$Shipp_add = $item->childNodes->item(7);
$ship_add_str="";
if(is_object($Shipp_add->childNodes->item(0))){
$ship_add_str = $Shipp_add->childNodes->item(0)->nodeValue;
}
if(is_object($Shipp_add->childNodes->item(1))){
$ship_add_str = $ship_add_str ."<br>".$Shipp_add->childNodes->item(1)->nodeValue;
}
if(is_object($Shipp_add->childNodes->item(2))){
if($Shipp_add->childNodes->item(2)->nodeName == "City"){
$ship_add_str = $ship_add_str ."<br>City: ".$Shipp_add->childNodes->item(2)->nodeValue;
}
else{
$ship_add_str = $ship_add_str ."<br>".$Shipp_add->childNodes->item(2)->nodeValue;
}
}
if(is_object($Shipp_add->childNodes->item(3))){
if($Shipp_add->childNodes->item(3)->nodeName == "StateOrRegion"){
$ship_add_str = $ship_add_str ."<br>State/Region: ".$Shipp_add->childNodes->item(3)->nodeValue;
}
else if($Shipp_add->childNodes->item(3)->nodeName == "City"){
$ship_add_str = $ship_add_str ."<br>City: ".$Shipp_add->childNodes->item(3)->nodeValue;
}
}
}