求助用 php SAOP 类怎么实现下面的请求
POST /CasinoGameService?singlewsdl HTTP/1.1
Authorization: Basic [base64=username:password]
Content-Type: text/xml; charset=utf-8
SOAPAction: soapaction
Host: wsdl
Connection: close
User-Agent: Paw/3.1.5 (Macintosh; OS X/10.14.0) GCDHTTPRequest
Content-Length: 752
<?xml version="1.0" encoding="UTF-8"?>
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:v1="xxx">
<soapenv:Header/>
<soapenv:Body>
<v1:RegisterUser>
<v1:UserInfo>
<v1:ExternalUserId>1234</v1:ExternalUserId>
<v1:Username>TestUser</v1:Username>
<v1:Nickname>TestUser123</v1:Nickname>
<v1:Currency>EUR</v1:Currency>
<v1:Country>SE</v1:Country>
<v1:Birthdate>1977-07-07</v1:Birthdate>
<v1:Registration>1978-08-08</v1:Registration>
<v1:BrandId>TestBrand</v1:BrandId>
<v1:Language>sv_SE</v1:Language>
<v1:IP>1253456</v1:IP>
<v1:Locked>false</v1:Locked>
<v1:Gender>m</v1:Gender>
</v1:UserInfo>
</v1:RegisterUser>
</soapenv:Body>
</soapenv:Envelope>