用soapclient这个返回的数组是什么意义

Array<br>(<br>    [faultcode] => soapenv:Server.userException<br>    [faultstring] => org.xml.sax.SAXException: Bad types (float -> int)<br>    [detail] => Array<br>        (<br>            [hostname] => ubuntu<br>        )<br><br>)