read xml convert to folder/subfolder/text file

[r0n]

If I have the following XML file

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<?xml version="1.0" encoding="UTF-8"?>
<snippetcollection>
  <maincat name="php">
      <subcat name="strings">
         <snippet>
            <title>explode-example1</title>
            <content>txttxttxt</content>
         </snippet>
       </subcat>
   </maincat>
</snippetcollection>

How can I create folders and subfolder with a text file and set it's content:

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php   (folder, main_cat)
|
|--strings   (subfolder, subcat)
   |
   |--explode-example1.txt  (textfile and contents="txttxttxt")