Load a custom post type template.html from a plugin

None of the PHP functionality you’re after will run because your files is .html.

From what I can tell your template inclusion filter is ok, there’s some info missing like whether or not the CPT_LV_WD_PLUGIN_DIR_PATH constant is correct, but I’m operating under the assumption that it is because you said that the HTML is loading.

Functions like wp_head(), wp_header() and wp_footer() won’t run in your template because it’s an HTML file, so the server isn’t trying to render the PHP in it. I don’t think the issue is how you include your template, I think the issue is the template itself.

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