XML Parsed Using SOAP in php

Code not working it return me null value

$url = "http://14.141.41.53:800/WebAggWCFUAT/Service1.svc?wsdl";
            $options = array(
                "trace" => 1,
                "exception" => 0
            );
            $clinet = new SoapClient($url, $options);
            $content = '<Authentication>
		 <WACode>fgh</WACode>
  		<WAAppCode>fgh</WAAppCode>
		<WAUserID>fgh</WAUserID>
		<WAUserPwd>fgh@123</WAUserPwd>
		<WAType>0</WAType>
		<DocumentType>Proposal</DocumentType>
		<Versionid>1.1</Versionid>
		<GUID />
	</Authentication>
	<PaymentDetails>
		<PaymentEntry>
			<PaymentId />
			<MICRCheque />
			<InstrumentDate />
			<DraweeBankName />
			<HOUSEBANKNAME />
			<AmountPaid />
			<PaymentType />
			<PaymentDate />
			<PaymentMode />
			<InstrumentNo />
			<Status />
			<DepositSlipNo />
			<PayerType />
		</PaymentEntry>
	</PaymentDetails>
	<Errors>
		<ErrorCode />
		<ErrDescription />
	</Errors>';
            $result = $clinet->commBRIDGEFusionMOTOR($content);

ERROR :

stdClass Object
(
    [commBRIDGEFusionMOTORResult] => System.ArgumentNullException: Value cannot be null.
Parameter name: s
   at System.IO.StringReader..ctor(String s)
   at System.Xml.Linq.XDocument.Parse(String text, LoadOptions options)
   at System.Xml.Linq.XDocument.Parse(String text)
   at WebAggWCFService.Service1.commBRIDGEFusionMOTOR(String strXdoc) in c:\WebAggAppUAT\WebAggWCFService\App_Code\Service1.cs:line 59
)

2 posts were merged into an existing topic: WSDl SOAP request In php