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Custom walkers seem to be a poorly-documented area of WP. Online tutorials focus on styling the output, not on directing the walker to go where you want it.

I am reading the code, but I wonder if there's a good resource I'm missing. If you know about walkers, how and where did you learn about them?

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    I learned how to do a huge amount mainly by reading the code base. There were some articles I started with and then quickly realised how much more I could do with them. Is there something in particular you're hoping to achieve?
    – sanchothefat
    Commented Dec 5, 2011 at 15:11
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    In the past I attempted to build a menu from taxonomies, which resulted in my asking this question: wordpress.stackexchange.com/questions/34011/…. I've made some progress since then. But I could definitely benefit from a good book or an article.
    – djb
    Commented Dec 5, 2011 at 15:44
  • you're right that part is poorly documented. i've looked at source and it isn't really that revelatory.
    – helgatheviking
    Commented Jan 16, 2012 at 18:04

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I stumbled across this article, I think it could be of tremendous use to you. It helped me understand it a lot better.

I believe there was a question on here in which (I think) @Rarst answered that linked to it, but I can't seem to find it. If someone can find it and edit my answer in place of this that would be great!

EDIT: Found another pretty good resource you can find here.

EDIT: More excellent resources below you can look through. I made the ones that are extremely useful in my opinion bold!

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  • +1. Thank you. This goes some way to answering the question of how to make the per-post output richer. But it doesn't touch on how the walker chooses which posts to get its material from, so I cannot accept it as the answer to the above Q.
    – djb
    Commented Jan 25, 2012 at 0:11
  • @djb No problem, I am also interested in learning more about the Walker Class and I am more than happy to help/brainstorm. I'm going to continuously update this answer with more articles and resources for future visitors. I added some more above if you didn't see yet! :)
    – Jared
    Commented Jan 25, 2012 at 3:10

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