使用jquery加载xml文件，编辑它，然后用php再次保存到服务器

I want to be able to load an xml file from my server. Edit a node in the xml with jQuery and then save this change with the rest of the xml file back to the server using php. Anyone know how to do this? I have code that changes the xml node and can see this in my console. But cannot get the code back to my server.I want to be able to load an xml file from my s