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PHP How to read XML Child Node Value in String using PHP?

I have a string that dynamically gets its value from another server. String value

$string1 = '<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.microsoft.com/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <soap:Body>
    <AuthenticateUserResponse xmlns="http://microsoft.com/xml/namespace/2012/04">
      <Authenticator>AE1001</Authenticator>
    </AuthenticateUserResponse>
  </soap:Body>
</soap:Envelope>';

My question is, as a rule, we use * $ xml = simplexml_load_file ("test1.xml"); * for loading XML files, but here, in my requirement, this is String , how can I read this String value and extract the child element of node and its value? Example:

<Authenticator> and its value "AE1001" ?

Is there a way to put this in an Array? so is it easy for me to print its node value?

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3 answers

Also learn DOMDocument and XPath . It is really worth the time.

$doc = new DOMDocument;
$doc->loadXML($string1);

echo $doc->getElementsByTagName('Authenticator')->item(0)->nodeValue; // AE1001
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simplexml_load_string

DomDocument :: loadXML

both will help you complete your task.

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