simplexml_load_string function not loading XML file in PHP

Question

I am busy with an EPP registration module which returns XML via a stream service.

The XML returns fine but I am unable to get load using PHP's simple_xml_load_string or new SimpleXMLElement to correctly load the XML so that I can use the data as an object.

I am however able to return the XML back using asXML() so it would appear that the XML is loaded, I am just not able to get access to any of the values within the object. A print_r() of the object also returns an empty object (from what I understand this is correct).

Here is a sample of a login result:

 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 <epp:epp xmlns:epp="urn:ietf:params:xml:ns:epp-1.0">
   <epp:response>
     <epp:result code="1000">
       <epp:msg>Access granted</epp:msg>
     </epp:result>
     <epp:trID>
       <epp:clTRID>ABC-123456</epp:clTRID>
       <epp:svTRID>OTE-EPP-155A695A3C9-717E</epp:svTRID>
     </epp:trID>
   </epp:response>
 </epp:epp>

What I need to get access to is the result code above.

Here is sample PHP I have tried:

 // Note that the $var property contains the XML exactly as it is above.
 $result = simplexml_load_string($var); 
 echo $result->response->msg; // Nothing
 echo $result->asXML(); // Returns the XML correctly.
 $result = new SimpleXMLElement($var);
 print_r($result); // Returns an empty object.
 echo $result->response->msg; // Nothing
 echo $result->toXML(); // Returns the XML correctly.

Any ideas would greatly be appreciated.

Community · Accepted Answer · 2023-11-21 15:10:29Z

1

According to the manual simplexml_load_string has the following parameters:

SimpleXMLElement simplexml_load_string ( string $data [, string $class_name = "SimpleXMLElement" [, int $options = 0 [, string $ns = "" [, bool $is_prefix = false ]]]] )

Therefore, I believe that you can load your XML this way :

simplexml_load_string($var, "SimpleXMLElement", 0, "epp", true);

I hope this works for you.

edited Nov 21, 2023 at 15:10

CommunityBot

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answered Jul 1, 2016 at 13:40

Ismail RBOUH

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2 Comments

mauzilla Over a year ago

Excellent! Thank you, works like a charm :) Am I then right that the namespace was missing?

Ismail RBOUH Over a year ago

Exactly, you must tell the class that tags are prefixed with a namespace ;)

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