Parsing XML with PHP

Question

I know taht there already are many question about this subject but I haven't find the solution for my problem.

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <soap:Header>
        <PeopleCountingServiceHeader xmlns="http://localhost/countingws/">
            <Username>username</Username>
            <Password>password</Password>
            <Camera>essai</Camera>
        </PeopleCountingServiceHeader>
    </soap:Header>
    <soap:Body>
        <InsertData xmlns="http://ai-sense.com/counting/">
            <impacts>
                <Impact>
                    <TimeStamp>2014-10-23T15:17:51.879</TimeStamp>
                    <Type>Output</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:17:52.753</TimeStamp>
                    <Type>Input</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:17:54.375</TimeStamp>
                    <Type>Output</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:17:55.186</TimeStamp>
                    <Type>Input</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:18:28.897</TimeStamp>
                    <Type>Output</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:18:29.771</TimeStamp>
                    <Type>Input</Type>
                    <Layer>0</Layer>
                </Impact>
                <Impact>
                    <TimeStamp>2014-10-23T15:22:41.219</TimeStamp>
                    <Type>Output</Type>
                    <Layer>0</Layer>
                </Impact>
            </impacts>
        </InsertData>
    </soap:Body>
</soap:Envelope>

And I want to retrieve for example the username.

I have already try somethinf like this :

$request =simplexml_load_file("php://input", NULL, TRUE);
echo "request: "$request->{"soap:Header"}->PeopleCountingServiceHeader->Username;

How can I access to my datas ?

This is not just XML, but SOAP. Have you read about ext/soap? — ThW
– ThW, Commented Oct 24, 2014 at 9:49
@ThW No didn't know that there is a direference ^^ I will take a look. — Emrys Myrooin
– Emrys Myrooin, Commented Oct 24, 2014 at 9:50
SOAP is an XML format to transfer objects between systems. See en.wikipedia.org/wiki/SOAP . You could parse it manually, but a specific SOAP implementation is a lot more convenient. — ThW
– ThW, Commented Oct 24, 2014 at 10:01
@ThW Thank you a lot, I'm trying to learn how to use it; it's a bit more complicated than I was figuring me :-P If you can post this as answer, I will be able to mark it as solution — Emrys Myrooin
– Emrys Myrooin, Commented Oct 24, 2014 at 10:20

ThW · Accepted Answer · 2014-10-24 12:58:25Z

1

This is not just XML, but SOAP. PHP has a specific extension for it: ext/soap.

SOAP is an XML format to transfer objects between systems. You could parse it manually, but a specific SOAP implementation is a lot more convenient.

If you parse in manually you have to consider the namespaces. Here are 3 namespaces in your example XML:

http://schemas.xmlsoap.org/soap/envelope/ - the SOAP envelope, using a soap prefix/alias
http://localhost/countingws/ - elements inside soap:Header, no prefix/alias
http://ai-sense.com/counting/ - elements inside soap:Body, no prefix/alias

edited Oct 24, 2014 at 12:58

answered Oct 24, 2014 at 10:53

ThW

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1 Comment

Emrys Myrooin Over a year ago

Thank you for your quick answer ! I will search about how to use namespaces with SimpleXMLElement php class

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