simpleXML Error

[bravo14]

Hi

 

I am trying to use SimpleXML to populate some form fields from an XML file

 

 

This is the SimpleXML code that I am using

<?php
$vrm=strtoupper($_POST['veh_reg']);
$file="https://www.cdlvis.com/lookup/getxml?username=username&mode=test&key=key&vrm=".$vrm."";
$dom=new DOMdocument();
$dom->load($file);
$xml=simplexml_import_dom($dom);
var_dump($xml);
?>

 

The code for the display of the fields is:

 

<form name="vehicle_details" method="post" action="add_vehicle.php"> 
<table> 
<tr> 
<td>Registration Number:</td><td><input name="reg_num" type="text" value="<?php echo $xml->result[0]->vrm;?>" readonly="true" /></td></tr> 
<tr> 
<td>Make:</td><td><input name="make" type="text" value="<?php echo $xml->result[0]->make;?>" readonly="true" /></td></tr> 
<tr> 
<td>Model:</td><td><input name="model" type="text" value="<?php echo $xml->result[0]->model;?>" readonly="true" /></td></tr> 
<tr> 
<td>Date of Manufacture:</td><td><input name="date_man" type="text" value="<?php echo $xml->result[0]->date_manufactured;?>" readonly="true" /></td></tr> 
<tr> 
<td>Date of First Registration:</td><td><input name="date_reg" type="text" value="<?php echo $xml->result[0]->first_registered;?>" readonly="true" /></td></tr> 
<tr> 
<td>Colour:</td><td><input name="colour" type="text" value="<?php echo $xml->result[0]->colour;?>" readonly="true" /></td></tr> 
<tr> 
<td>Body Style:</td><td><input name="body" type="text" value="<?php echo $xml->result[0]->body;?>" readonly="true" /></td></tr> 
<tr> 
<td>Number of Doors:</td><td><input name="doors" type="text" value="<?php echo $xml->result[0]->doors;?>" readonly="true" /></td></tr> 
<tr> 
<td>Engine Size:</td><td><input name="engine_size" type="text" value="<?php echo $xml->result[0]->engine_size;?>" readonly="true" /></td></tr> 
<tr> 
<td>Fuel Type:</td><td><input name="fuel_type" type="text" value="<?php echo $xml->result[0]->fuel;?>" readonly="true" /></td></tr> 
<tr> 
<td>Gearbox Type:</td><td><input name="gearbox" type="text" value="<?php echo $xml->result[0]->gearbox_type;?>" readonly="true" /></td></tr> 
<tr> 
<td>Previous Keepers:</td><td><input name="keepers" type="text" value="<?php echo $xml->result[0]->previous_keepers;?>" readonly="true" /></td></tr> 
<tr> 
<td>BHP:</td><td><input name="bhp" type="text" value="<?php echo $xml->result[0]->smmt_power_bhp;?>" readonly="true" /></td></tr> 
<tr> 
<td>Emissions:</td><td><input name="co2" type="text" value="<?php echo $xml->result[0]->smmt_co2;?>" readonly="true" /></td></tr> 
<tr> 
<td><input name="try_again" type="button" value="Try Again" /></td><td><input name="submit" type="submit" value="Next Stage" /></td></tr> 
</table> 
</form>

 

In each of the fields on the form when I run the code is the following error

 

Notice: Trying to get property of non-object in

 

I have also done a var_dump of the xml and I get the following

 

object(SimpleXMLElement)#2 (15) { ["@attributes"]=> array(4) { ["id"]=> string(6) "344571" ["generated"]=> string(10) "1300307651" ["mode"]=> string(4) "test" ["account_id"]=> string(3) "165" } ["vrm"]=> string(7) "DC70XSC" ["make"]=> string(7) "RENAULT" ["model"]=> string(23) "SCENIC EXPRESSION 16V A" ["date_manufactured"]=> string(10) "2004-02-20" ["first_registered"]=> string(10) "2004-02-20" ["colour"]=> string(5) "GREEN" ["body"]=> string(3) "MPV" ["doors"]=> string(7) "5 DOORS" ["engine_size"]=> string(4) "1598" ["fuel"]=> string(6) "PETROL" ["gearbox_type"]=> string(19) "TIPTRONIC AUTOMATIC" ["previous_keepers"]=> string(1) "1" ["smmt_power_bhp"]=> string(5) "115.1" ["smmt_co2"]=> object(SimpleXMLElement)#3 (0) { } }

 

What have I done wrong, any help will be much appreciated.

 

[btherl]

Instead of var_dump($xml); can you try this please:

 

print "<pre>"; var_dump($xml); print "</pre>";

 

That will make the structure much clearer.

[bravo14]

As requested, structure is below

 

object(SimpleXMLElement)#2 (15) {
  ["@attributes"]=>
  array(4) {
    ["id"]=>
    string(6) "344691"
    ["generated"]=>
    string(10) "1300313095"
    ["mode"]=>
    string(4) "test"
    ["account_id"]=>
    string(3) "165"
  }
  ["vrm"]=>
  string(7) "DC70XSC"
  ["make"]=>
  string(7) "RENAULT"
  ["model"]=>
  string(23) "SCENIC EXPRESSION 16V A"
  ["date_manufactured"]=>
  string(10) "2004-02-20"
  ["first_registered"]=>
  string(10) "2004-02-20"
  ["colour"]=>
  string(5) "GREEN"
  ["body"]=>
  string(3) "MPV"
  ["doors"]=>
  string(7) "5 DOORS"
  ["engine_size"]=>
  string(4) "1598"
  ["fuel"]=>
  string(6) "PETROL"
  ["gearbox_type"]=>
  string(19) "TIPTRONIC AUTOMATIC"
  ["previous_keepers"]=>
  string(1) "1"
  ["smmt_power_bhp"]=>
  string(5) "115.1"
  ["smmt_co2"]=>
  object(SimpleXMLElement)#3 (0) {
  }
}

 

however the structure of the xml file if you go to the url is

 

<?xml version="1.0" encoding="ISO-8859-1" ?>
- <result id="343329" generated="1300269146" mode="test" account_id="165">
  <vrm>DC70XSC</vrm>
  <make>RENAULT</make>
  <model>SCENIC EXPRESSION 16V A</model>
  <date_manufactured>2004-02-20</date_manufactured>
  <first_registered>2004-02-20</first_registered>
  <colour>GREEN</colour>
  <body>MPV</body>
  <doors>5 DOORS</doors>
  <engine_size>1598</engine_size>
  <fuel>PETROL</fuel>
  <gearbox_type>TIPTRONIC AUTOMATIC</gearbox_type>
  <previous_keepers>1</previous_keepers>
  <smmt_power_bhp>115.1</smmt_power_bhp>
  <smmt_co2 />
  </result>

[btherl]

Try accessing $xml->make, $xml->model, etc etc.  SimpleXML is exactly that - simple.  It may not accurately represent the original XML structure but it works most of the time, and makes the resulting structure simpler in those cases that it does work.

[bravo14]

Thank you, that has worked a treat