PHP 7.1 convert simplexml object to string

Question

I'm trying to build one of my first php procedure but I'm struggling on an apparently stupid issue and I need your help:

I need to load and modify an xml file and then I have to send via curl

here it is what I've done so far:

$userID='John';
$Action="Read";
$Quarter="2";
$xml=simplexml_load_file("test/xml/testxml.xml") or die("Error: Cannot create object");
$xml->User->UserID=$userID;
$xml->Action=$Action;
$xml->Quarter=$Quarter;

$responseXml = sendHttpRequest($xml);

the problem, I suppose, is that sendHttpRequest requires $xml to be a string, while in my example it is an object I'm quite sure about this since if I build the xml as a string..

$xml = '<?xml version="1.0" encoding="utf-8" ?>';
$xml .= '<Request>';
$xml .= "<User><UserID>$userID</userID></User>";
$xml .= "<Action>$Action</Action>";
$xml .= "<Quarter>$Quarter</Quarter>";    
$xml .= '</Request>';

sendHttpRequest function works.

Therefore, hwo to transform $xml into a string?

I've seen some example using

(string) $xml-> ....

but these examples extract a node of the xml as string, while I need it fully.

Thanks Joe

Joe · Accepted Answer · 2017-06-17 14:42:34Z

1

got it..

simpler as expected:

$xml=$xml->asXML();

answered Jun 17, 2017 at 14:42

Joe

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