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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 - Conclusion
(Page 9 of 9 )

I use a version of this class to quickly import XML documents into a multidimensional PHP array where I can then use PHP functions to manipulate the array's contents.

You might be able to enhance this class speed-wise with the use of references on your stack, or your might optimize by building a Node class instead of using our simple Array.

The real purpose of this article is not just to give you a working PHP class for XML, but rather to show you how you might develop your own XML parsing class and toolset.

There exist other PHP resources like XPath that will allow you to search and extract values from XML documents more quickly than through this method. Additionally, as the DOM parser matures, you may find that it performs this parsing functionality for you but with C code which is many times faster.

For simple XML needs, however, speed of execution is rarely the bottleneck for your application and this approach is sufficient and sometimes even a 'powerful' solution for getting the job done.

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