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Prevent WordPress Showing Posts of Sub Categories

Limit WordPress Posts in Categories

Written By on in PHP

365 words, estimated reading time 2 minutes.

In some types of website, you may wish to display ONLY the posts of a category and not posts of its child categories on a Wordpress blog.

Let's say you had a parent category of "Weather" with sub-categories "America" and "United Kingdom". When a user clicks on the weather category, Wordpress will automatically display posts from the Weather category AS WELL AS the posts of America and the United Kingdom.

If this is not the behaviour you are after, there is a template tag trick that you can use in your theme to show posts of the current category ONLY.

If you have an archive.php or category.php open that, otherwise open index.php. Don't forget to back them up just in case things go wrong!

Find the line similar to (start of the loop):

<?php while (have_posts()) : the_post(); ?>

and add after it on the next line:

<? if ((is_category()) && in_category($wp_query->get_queried_object_id())) { ?>
 

This line checks if we are viewing a category and that the post being processed is a member of the category being viewed. If it is then we will show the post.

$wp_query->get_queried_object_id() returns an integer ID of the category being viewed.

in_cagegory() tests if the current post in the loop is a member of the specified category, in this case, we pass it the current category.

Next need to find the line:

<?php endwhile; ?>
 

Which is the end of the loop, and add a line BEFORE it containing:

<?php } ?>
 

This small modification will stop posts of child categories from showing when a parent category is selected. Of course, you will need some posts in Weather otherwise you will have a blank page. You can also use the information on the Wordpress Codex template tags to create static pages for each category if you wish.

If you only wish to stop sub-category posts from showing on one particular parent category you can specify the required category in the is_category() method. Simply insert the numerical id of the parent category in the brackets, e.g. is_category(10) will stop sub-category posts from showing only if we are viewing the category with ID of 10. All other categories will retain their default setting.

Last updated on: Wednesday 21st June 2017

 

Comments
Jimako

Jimako

Excellent! I tried a lot of plugins for view posts only from parent category without sub, but when one post is in parent and child category, they weren't working. Thank you very much

Reply to Jimako
php

php

hey dear
the information u provide is not enough to solve my problems..
pls explaine in detail...

Reply to php
jason

jason

YES! After 3 hours searching this nails it. (will have to be sure it doesn't paginate though!

BTW for anyone who gets a fail: In the top code, you must change the & & to just one &

get_queried_object_id())) { ?>

Reply to jason
klimeklada

klimeklada

2feedme: thank you a lot!!

Reply to klimeklada
Falco Stellare

Falco Stellare

Nice solution, I really thank you for your tutorial!!!

Reply to Falco Stellare
feedme

feedme

there is an issue when used with wp-pagenavi....

it counts all the posts that return from the have_posts() function
so it shows a blank page (or more) in pagenavi.

i found this and its working.

http://wordpress.org/extend/plugins/just-one-category/

sorry for my english.

Reply to feedme
clubmid

clubmid

Thanx it really works, I have been looking for a solution for quire some time...

Reply to clubmid
rat

rat

thank you. solved all my problems

Reply to rat
joe

joe

Perfect! only one addition, how to display one of the categories just one? thank you so much.

Reply to joe
CBSE

CBSE

Finally.. I got it.. Thank you so much dude.. I was looking for this for about two weeks.

Regards

Reply to CBSE
Selim Saka

Selim Saka

I was looking for this for over one month. Thank you. it worked for me.
Perfect!

Reply to Selim Saka
Jimmy

Jimmy

Worked perfect for me. I found the code in archive.php -> themes folder.

Reply to Jimmy
Andy

Andy

Yep, didn&squot;t work for me either...

Reply to Andy
Richard

Richard

causes a fatal error in category.php in V 2.51 Any ideas??

thanks

Reply to Richard
Everett

Everett

I tried this fix but then the first page of every main category was blank. The &quot;next&quot; page would show entries that were inside that main category, but for some reason the first page still showed up without any posts on it. ???

Reply to Everett
ashley

ashley

Works fine on all the sub categories but the main category is blank, any ideas?

Reply to ashley

 

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