Does anybody understand how the walker class in WordPress works? What is it? How does it work?
How does the walker class in WordPress work?
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Does anybody understand how the walker class in WordPress works? What is it? How does it work?
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Good place to start: Function Reference/Walker Class « WordPress Codex
It walks a tree structure in a database, for example, the Category hierarchy and spits out HTML that represents it.
Look in
wordpress/wp-include/classes.phpat theWalker_Categoryclass for an example.