Comments on: WordPress: Is_Child Function

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[...]Wordpress: Is_Child Function / Nicholas Roussos[...]…

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[...] Nicholas Roussos – is_child function [...]

By: Wordpress is_child() for Advanced Navigation | kevinleary.net

Wordpress is_child() for Advanced Navigation | kevinleary.net — Tue, 05 May 2009 03:29:25 +0000

[...] the conditional in your theme(s), add the code above to functions.php. Special thanks goes out to Nicholas Roussos for creating this wonderful [...]

By: Nicholas Roussos

Nicholas Roussos — Wed, 19 Nov 2008 21:56:13 +0000

Hey, chris, my function works inside the loop were a specific page has already been pulled from the database. In your case, it sounds like you want to make a function that works outside of the loop, which should be easy enough. You’ll just have to query the db for bmw and grab it’s parent … You could even make it recursive, that way. One caveat, wordpress’s db structure has changed a lot since I wrote this.

By: Chris M

Chris M — Tue, 18 Nov 2008 13:24:53 +0000

Hi Nic,

Fantastic little function. I coded up one very similar, my problem is that I need to check whether a specific category has a specific parent, such as..

is_child(bmw,cars);

If bmw is a child of parent, cars, it will return true.

What do you think?

By: Nicholas Roussos

Nicholas Roussos — Sun, 14 Sep 2008 13:30:09 +0000

Hi Will, I think there's a pretty simple solution to your problem. Just use wp_list_categories. It will return a list of categories and children categories will be nested under their parents.

By: Will

Will — Sat, 13 Sep 2008 02:58:04 +0000

I’m sort of wringing my hands here – looking for some advice. Is there a way to check if a page has ANY children? As it stands, it seems even first-level pages with no children are considered parent-pages. Basically, I want to display secondary navigation if and only if a page is a parent to an actual child page, or is a child page. If there are no children, then there should be no special secondary navigation area. Ideas?

By: Jens Törnell

Jens Törnell — Sun, 07 Sep 2008 19:28:09 +0000

Hi there!

Short and nice function!

I’ve written a bit more advanced function to be able to get the grand grand grand grand child if that is needed (unlimited).

Have a look at it if you like at Get Depth – like is_child() & is_grandchild() at web-templates.nu

Regards Jens Törnell

By: Nicholas Roussos

Nicholas Roussos — Sat, 02 Jun 2007 17:46:00 +0000

No problem Mike. I just realized that this function will only detect direct children and not grandchildren (if that makes sense). Basically, you can have a page that’s a child of a child of a child. Anyway,I might fix that in the future, but it will only complicate it. The function would probably need to be recursive or something …

By: mIKE

mIKE — Fri, 01 Jun 2007 21:46:00 +0000

Thanks!

I've been looking for something like this all day :S, and this function works great!

And thanks for responding so quickly.. 3 minutes.

Kudos Nicholas!