使用HTTP POST和PHP发送XML数据

I need to send this XML

我需要发送这个XML

      <?xml version="1.0" encoding="UTF-8"?>
<gate>
   <country>NO</country>
   <accessNumber>1900</accessNumber>
   <senderNumber>1900</senderNumber>
   <targetNumber>4792267523</targetNumber>
   <price>0</price>
   <sms>
      <content><![CDATA[This is a test æøå ÆØÅ]]></content>
   </sms>
</gate>
      <?