PHP Soap Client不会在webservice调用中发送所有对象属性

I try to implement a webservice Client using php and got stuck... I'm using an existing webservice called metadataservice with a known wsdl. I'll use wsdl2phpgenerator to create the php classes for the datatypes and the Service itself. Using one of the Webservice Methods (addMetadataToObject), I have to send an Array of objects to the Server. There is a base class:I try to implement a webservice Client using ph