如何用php读取这个特殊的XML并且存入数组或者数据库_PHP

怎么用php读取这个特殊的XML并且存入数组或者数据库
<Proxy>
  <ListenPort>8889</ListenPort>
  <NetConnectName>
  </NetConnectName>
  <ValidateProxy2Url>http://www.so.com</ValidateProxy2Url>
  <ValidateProxy2RetrunString>360</ValidateProxy2RetrunString>
  <ValidateTimeOut>5</ValidateTimeOut>
  <IsOrderOrRandomGetProxys>1</IsOrderOrRandomGetProxys>
  <IsADSLReconnect>0</IsADSLReconnect>
  <IsADSLReconnect_IntervalOrContainString>0</IsADSLReconnect_IntervalOrContainString>
  <ReconnectIntervalMinute>90</ReconnectIntervalMinute>
  <ReconnectIfContainString>
  </ReconnectIfContainString>
  <SampleProxySite>
  </SampleProxySite>
  <Level2Proxys>
    <ProxyItem Type="0" IP="5.56.134.44" Port="8080" UserName="" PassWord="" Domain="" IsValidate="1" />
    <ProxyItem Type="0" IP="14.18.17.163" Port="80" UserName="" PassWord="" Domain="" IsValidate="1" />
    <ProxyItem Type="0" IP="14.18.17.166" Port="80" UserName="" PassWord="" Domain="" IsValidate="1" />

  </Level2Proxys>
</Proxy>
我想把这个XML读取出来，存ip和端口号进数据库或者数组。
------解决方案--------------------
用
simplexml_load_string