Not getting the required SOAP request XML

Question

I am working on a Simple php Client that uses OCPP (Open Charge Point Protocol). I have created the client and This is the request XML that goes from my code.

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Answer 1

Provided the prefixes match up with the xmlns declarations on the Envelope element, then it is valid XML and therefore valid SOAP so you should be fine. However, XML is case sensitive and I notice that your code has and idTag element in inside the Body element rather than the IdTag element in the output you're expecting.