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1. termserv
   Member
   Posted 2 years ago #

   I found a script here in the forums that returned the topmost post parent, but I need to get the topmost category parent (preferrably the ID)?

2. termserv
   Member
   Posted 2 years ago #

   I made it work with the following function:

   function in_parent_category($cats, $_post = null)
   {
   	foreach ((array) $cats as $cat)
   	{
   		$descendants = get_term_children((int) $cat, "category");
   		if ($descendants && in_category($descendants, $_post))
   			return true;
   	}
   	return false;
   }

   Just feed the function with the category ID of the parent, and then it checks the current post (if in the loop) if it's in a category which is a child of the category ID you specify.

   if (in_parent_category(4))
   {
   	// do this
   }

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