Automatically checking / un-checking inputs.

Here's what i'm trying to do:

I have a list of inputs, when you select a child input, all parent inputs need to be check marked. If you uncheck a parent input, all checked children need to be unchecked.

I found this example online - it replicates the desired functionality perfectly:

However, even though my markup is structurally similar to the example (ul > li) it doesn't work with my markup. This markup is coming from a WordPress plugin that I can not modify.

You can see my code (with markup here):

I've narrowed it down to the

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element that seems to be wrapping each input. If I remove the label the example code works fine.  Since i'm not able to remove the label, I need a solution that works with markup in the above example.

Here's a demo of the same code without the label working as intended:
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Julian HansenCommented:
The problem is the label - try this
	// if is checked
        $(this).parents('li').children('label').find('input[type=checkbox]').prop('checked', true);
	} else {
		// uncheck all children
		$(this).closest('li').find('input[type=checkbox]').prop('checked', false);

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razor19Author Commented:
Thank you SO much. I can't believe I missed that. :|
Julian HansenCommented:
You are welcome.
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