php生成xml文件 请教
<?xml version="1.0" encoding="utf-8"?>
<photos path="flash/images/">
<photo name="Photo 1" url="1.jpg">This is the optional description for photo 1</photo>
<photo name="Photo 2" url="2.jpg">This is the optional description for photo 2</photo>
<photo name="Photo 3" url="3.jpg">This is the optional description for photo 3</photo>
<photo name="Photo 4" url="4.jpg">This is the optional description for photo 4</photo>
<photo name="Photo 5" url="5.jpg">This is the optional description for photo 5</photo>
  <photo name="Photo 6" url="6.jpg">This is the optional description for photo 6</photo>
</photos>
怎么用php生成，因为我要还图片的，每次修改xml文件麻烦

------解决方案--------------------
是好用