write XML with PHP based on a particular schema

[phersonw]

Hi ~there!!

I need to write XML with PHP based on a particular schema. Actually it should based on GraphML schema.

My xml file is my friends list including "name","uid","pic",etc. How to write and create a new xml??

My xml :


<?xml version="1.0"?>
<friends>
<friend>
<uid>9876543210</uid>
<name>friend's name</name>
<sex>male</sex>
<pic>http: //xxxxxx.jpg</pic>
</friend>



I need to output like this:


<?xml version="1.0" encoding="UTF-8"?>
<graphml xmlns=" http: //graphml.graphdrawing.org/xmlns"xmlns:xsi="http: //www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http: //graphml.graphdrawing.org/xmlns hxxp //graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">

<key id="sex" for="node" attr.name="sex" attr.type="string"/>
<key id="pic" for="node" attr.name="pic" attr.type="string"/>
<graph id="G" edgedefault="undirected">


<node id="friend's name">
<data key="sex">male</data>
<data key="pic">http: //xxxxxxx.jpg</data></node>
......



<edge source="friendA" target="friendB"></edge>
<edge source="friendA" target="friendC"></edge>
<edge source="friendD" target="friendA"></edge>
......


</graph>
</graphml>


PS: friendB and friendC are mutual friend of me and friend A, friendA is mutual friend of me and friend D.

Thanks !

Pherson