Returning a JSON object from PHP SoapServer

Question

How can I force my PHP SoapServer to send a JSON object as a response instead of an XML doc?

Thanks.

That’s not SOAP. Sounds like you want a more RESTful API.

Martin Bean
– Martin Bean

2012-12-15 01:25:10 +00:00
Commented Dec 15, 2012 at 1:25 — Martin Bean
– Martin Bean, Commented Dec 15, 2012 at 1:25

Wrikken · Accepted Answer · 2012-12-15 01:22:50Z

2

That is not SOAP, so no. It can incorporate a jsonstring in some xml node, that's about it. You may want just a REST server serving json.

You can bastardize it though, making it by definition NOT SOAP, but some weird hybrid:

<?php
class ThisIsNotASoapServer extends SoapServer {

}
function test(){
        //should have a return
        //return range(1,9);
        //but totally breaks it by:
        echo json_encode(range(1,9));
        //the exit here is needed
        exit;
}
$server = new ThisIsNotASoapServer(null, array('uri' => 'http://test-uri/','soap_version' => 1));
$server->addFunction("test");
$server->handle('<?xml version="1.0"?>
<SOAP-ENV:Envelope
   xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
   SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
    <SOAP-ENV:Body>
        <m:Test xmlns:m="Some-URI"/>
    </SOAP-ENV:Body>
 </SOAP-ENV:Envelope>');
?>

... so, technically this is possible, but I suspect there is not a single client which understands this.

edited Dec 15, 2012 at 1:22

answered Dec 15, 2012 at 1:03

Wrikken

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2 Comments

gipouf Over a year ago

Thanks, I'll look for it. But as far as i know, a web-service can be called a SOAP web-service even if the response is not in XML format.

Ian Atkin Over a year ago

You'd better go and edit the Wikipedia page for SOAP then. SOAP is far too heavily reliant on XML to ever be used with JSON natively. Like the answer says, wrap it in XML or use RESTful state instead.

Oliver Atkinson · Accepted Answer · 2012-12-15 01:06:06Z

0

Take a look at http://www.sinatrarb.com its very easy to create a restful web service to return a json object.

depends on your requirements - SOAP is a xml request it doesnt mean the format for the return also needs to be SOAP (XML) you can easily post back a JSON string.

Maybe if you can provide more information we can help more?

answered Dec 15, 2012 at 1:06

Oliver Atkinson

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5 Comments

gipouf Over a year ago

I'm using PHP SoapServer, and i could not find any documentation which shows how to change the return format of the service methods. I just if anyone knows what are the options for that...

gipouf Over a year ago

I know that it is possible in .Net

Wrikken Over a year ago

Hm this states "All SOAP messages are encoded using XML", has anything drastically changed in 1.2?

Oliver Atkinson Over a year ago

@Wrikken thats the request - the response can be in any format

Sven Over a year ago

@OliverAtkinson: I doubt it. WSDL both describes request and response data structures in XML. There simply is no place for JSON in here. At least my PHP Soap client heavily complains if the response is not XML: "Looks like we got no XML document". If you are right, can you point to some standard document that supports your view?

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