Simple use PHP to get data from XML - php

I am getting some variable where is XML file, I can't edit it or do anything with it.
So what I do:
$xml = $client->get_details('WF0GXXGBBG7P857BB');
$xml = simplexml_load_string($xml);
//print_r($xml);
$vin = $xml->vin;
print_r($vin);
If I uncomment print_r($xml) it just prints out whole xml and works cool (output is http://pastebin.com/w5VVysZU), but if I use second part with print_r($vin) it just displays just SimpleXMLElement Object ( ),
Any idea what can I do? How can I fix this? I've tried like 20 tutorials and always get no output or error with using nonobject something.
EDIT 1:
I need it to display one specific thing from this XML, in example it's VIN, so from this big amount I want script to find where is [vin] => WF0GXXGBBG7P857BB and echo WF0GXXGBBG7P857BB
EDIT 2:
My XML: http://pastebin.com/1KLB5Ba0

SimpleXML elements can and have to be type casted to strings if you want to display them that way. Otherwise, as you seen, it just tells you that it is an object.
$vin = (string) $xml->vin;
// OR
print_r((string) $vin);

Related

Extract value from soap response

I need help to extract value from a soap response.
https://i.stack.imgur.com/djv5y.jpg
What i exactly need is:
$username=user
$message=success
Maybe include the SOAP response here, that would be helpful for those who come in the future. As for your question are you using a particular language? That would make it easier to answer.
If you are looking for a way to view use can use this URL: https://codebeautify.org/xmlviewer
Ok now that I see it, it's fairly easy
Assuming you have loaded the SOAP XML into a variable, lets call it $xml_string
$xml = simplexml_load_string($xml_string); // Load it as an object
$xmlarray = json_decode(json_encode($xml),TRUE); // Change it into an array
Then the variables you are looking for is in
$username = $xmlarray['UserName'];
$message = $xmlarray['response']['MESSAGE'];
BTW This solution is found here
PHP convert XML to JSON
I did it as an array as sometimes objects are a little hard to process. You can easily just do the first line and address it as an object. (If those are the only variables you need then an array works fine. Ex: the 'Plan' data will be messed up in an array as it appears twice)
There can be some issues such as the MESSAGE not appearing or the XML returning a failure but I think you should know how to code around missing datum.

Getting an XML value from a named field

Sorry to be asking this, but it's driving me crazy.
I've been using the php SimpleXMLElement as my XML go to parser, and I've looked at many examples, and have given up on this many times. But, now, I just need to have this working. There are many examples on how to get simple fields, but not so many with values in the fields...
I'm trying to get the "track_artist_name" value from this XML as a named variable in php.
<nowplaying-info-list>
<nowplaying-info >
<property name="track_title"><![CDATA[Song Title]]></property>
<property name="track_album_name"><![CDATA[Song Album]]></property>
<property name="track_artist_name"><![CDATA[Song Artist]]></property>
</nowplaying-info>
</nowplaying-info-list>
I've tried using xpath with:
$sxml->xpath("/nowplaying-info-list[0]/nowplaying-info/property[#name='track_artist_name']"));
But, I know it's all mucked up and not working.
I originally tried something like this too, thinking it made sense - but no:
attrs = $sxml->nowplaying_info[0]->property['#name']['track_artist_name'];
echo $attrs . "\n\n";
I know I can get the values with something such as this:
$sxml->nowplaying_info[0]->property[2];
Sometimes there are more lines in the XML results than other times, and so because of this, it is breaks the calculations with the wrong data.
Can someone shed some light on my problem? I'm just trying to the name of the artist to a variable. Many thanks.
*** WORKING UPDATE: **
I was unaware there were different XML interpreter methods, and was using the following XML interpreter version:
// read feed into SimpleXML object
$sxml = new SimpleXMLElement($json);
That didn't work, but have now updated to the following (for that section of code) thanks to the help here.
$sxml_new = simplexml_load_string($json_raw);
if ( $sxml_new->xpath("/nowplaying-info-list/nowplaying-info/property[#name='track_artist_name']") != null )
{
$results = $sxml_new->xpath("/nowplaying-info-list/nowplaying-info/property[#name='track_artist_name']");
//print_r($results);
$artist = (string) $results[0];
// var_dump($artist);
echo "Artist: " . $artist . "\n";
}
Your xpath expression is pretty much right, but you don't need to specify an index for the <nowplaying-info-list> element - it'll deal with that itself. If you were to supply an index, it would need to start at 1, not 0.
Try
$results = $sxml->xpath("/nowplaying-info-list/nowplaying-info/property[#name='track_artist_name']");
echo (string) $results[0];
Song Artist
See https://3v4l.org/eH4Dr
Your second approach:
$sxml->nowplaying_info[0]->property['#name']['track_artist_name'];
Would be trying to access the attribute named #name of the first property element, rather than treating it as an xpath-style # expression. To do this without using xpath, you'd need to loop over each of the <property> elements, and test their name attibrute.
Just in case if the node you are looking for is deeply residing some where, you could just add a double slash at the start.
$results = $sxml->xpath("//nowplaying-info-list/nowplaying-info/property[#name='track_artist_name']");
Also in case if you have multiple <nowplaying-info> elements. You could make of use of the index for that. (note the [1] index)
$results = $sxml->xpath("//nowplaying-info-list/nowplaying-info[1]/property[#name='track_artist_name']");

Using PHP SimpleXML to parse an oBix XML feed?

I am rather new to development, but a long time sys-admin. I am trying to retrieve a specific value from the following XML feed. (Its oBix).
http://80.68.58.47:900/obix/config/Drivers/NiagaraNetwork/OSS_Tridium_Demo/points/kW_Sys/
I am trying to return the "Out" value within the 'Real' element (If element is the right name for it). The value is a number next to val=.
I have spent a fair few hours trying to work out how to isolate the 'val' attribute and return the number but I can't seem to do it. I can isolate the 'real' element but can't go any further in to get the actual number value.
Could someone show me how this is done using PHP SimpleXML so I can try to get my head round it?
This is my code so far:
<?php
$url = "http://80.68.58.47:900/obix/config/Drivers/NiagaraNetwork/OSS_Tridium_Demo/points/kW_Sys/";
$xml = simplexml_load_file($url);
$elementselection = $xml->real[0];
$outputvalue = $elementselection;
print_r ($outputvalue);
?>
Many Thanks!
Tom
If you just want the value from the first 'real' element you can use the following:
$url = "http://80.68.58.47:900/obix/config/Drivers/NiagaraNetwork/OSS_Tridium_Demo/points/kW_Sys/";
$xml = simplexml_load_file($url);
$value = (string) $xml->real[0]['val'];
var_dump($value);

Create comma separated string via xml values

I'm working on some system for a few hours now and this little thing is too much for me to think logically about at the moment.
Normally I would wait a few hours but this is a last minute job and I need to finish this.
Here's my problem:
I have an XML file that gets posted to my PHP file, the PHP file inserts certain data into a DB, but some XML nodes have the same name:
<accessoires>
<accessoire>value1</accessoire>
<accessoire>value2</accessoire>
<accessoire>value3</accessoire>
</accessoires>
Now I want to get a var $acclist which contains all values seperated by a comma:
value1,value2,value3,
I bet the solution to this is very easy but I'm at the known point where even the easiest piece of code becomes a hassle. And googling only comes up with nodes that in some way have their own identifiers.
Could someone help me out please?
You can try simplexml_load_string to parse the html then call implode on the node after casting to an array.
NOTE This code was tested in php 5.4.6 and behaves as expected.
<?php
$xml = '<accessoires>
<accessoire>value1</accessoire>
<accessoire>value2</accessoire>
<accessoire>value3</accessoire>
</accessoires>';
$dat = simplexml_load_string($xml);
echo implode(",",(array)$dat->accessoire);
For 5.3.x I had to change to
$xml = '<accessoires>
<accessoire>value1</accessoire>
<accessoire>value2</accessoire>
<accessoire>value3</accessoire>
</accessoires>';
$dat = simplexml_load_string($xml);
$dat = (array)$dat;
echo implode(",",$dat["accessoire"]);
You do this by taking a library that is able to parse and process XML, for example with SimpleXML:
implode(',', iterator_to_array($accessoires->accessoire, FALSE));
The key part here is to use iterator_to_array() as SimpleXML offers the same-named child-elements here as an iterator. Otherwise $accessoires->accessoire gives you auto-magically only the first element (if any).

xml parsing error, using php's asxml()

$file = simplexml_load_file($url); {
foreach($file->entry as $post) {
$row = simplexml_load_string($post->asXML()); // after adding this line, i get error message
$links = $row->xpath('//link[#rel="alternate" and #type="text/html"]');
echo (string) $post->title;
echo (string) $links[0]['href'];
I use this script to parse atom feed. At first didn't work because it couldn't pass the link's href attribute properly. I added $row and even though it worked, it gives an error : "namespace prefix gd for etag on entry is not defined". I'm searching this for hours, can't find a solution. I was so close.
The line $row = simplexml_load_string($post->asXML());, if it worked, would be a long-winded way of writing $row = $post. ->asXML() and simplexml_load_string perform the opposite action to each other so you'd get back the same object you started with.
I think the reason it's behaving strangely in your case is that your XML document is using "namespaces", and the fragment of XML produced by $post->asXML() doesn't quite work as an XML document on its own.
I suspect that the original problem you had, which this line seemed to magically fix, was also with namespaces, as XPath is rather sensitive to them. Look up examples of using registerXPathNamespace and see if they solve your problem. If not, feel free to post a follow-up question showing your original problem, and including a sample of the XML you're processing.

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