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Converting XML Into a PHP Data Structure


Dante explains how to convert data from XML to the more PHP friendly arrays and arrays in arrays so that it can be used easily in your code.

Author Info:
By: Dante Lorenso
Rating: 4 stars4 stars4 stars4 stars4 stars / 60
January 06, 2003
TABLE OF CONTENTS:
  1. · Converting XML Into a PHP Data Structure
  2. · A Look at the XML File Structure
  3. · Using an Array as a Data Structure
  4. · Make PHP Do The Hard Work
  5. · Watching the XML Parsing Events: Callback Functions
  6. · Building the Array Tree
  7. · The Completed XMLToArray Class
  8. · How to Use the Class
  9. · Conclusion

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Converting XML Into a PHP Data Structure - How to Use the Class
(Page 8 of 9 )

The XMLToArray class we just built is rather simple in function. It parses your XML document into a multidimensional array.

Here is some code that shows you how you might use this now:

require_once("XMLToArray.php");
$xml2a = new XMLToArray();
$root_node = $xml2a->parse($xml_text);
$drive = array_shift($root_node["_ELEMENTS"]);

//print('<pre>'); print_r($drive); print('</pre>');

// print all the folders...
foreach ($drive["_ELEMENTS"] as $folder)
{

printf("FOLDER: %s\n", $folder["name"]);

// print all the files in this folder
foreach ($folder["_ELEMENTS"] as $file)
{

printf("\tFILE: %s\n", $file["name"]);

}

}

The output of this code would yield a display similar to the following:


FOLDER: folder01
  FILE: a.txt
  FILE: b.txt
FOLDER: folder02
  FILE: c.txt
  FILE: d.txt

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