Althought WordPress allow you to do lots of things by default, it didn’t allow you to display tags based on a selected category. Here is an useful code to be able to do so.
Just paste this code wherever you need to display the list of tags that are specific to a particular category. Don't forget to replace the category name on line 2.
<?php
query_posts('category_name=work');
if (have_posts()) : while (have_posts()) : the_post();
$posttags = get_the_tags();
if ($posttags) {
foreach($posttags as $tag) {
$all_tags_arr[] = $tag -> name; //USING JUST $tag MAKING $all_tags_arr A MULTI-DIMENSIONAL ARRAY, WHICH DOES WORK WITH array_unique
}
}
endwhile; endif;
$tags_arr = array_unique($all_tags_arr); //REMOVES DUPLICATES
echo '<pre>'.print_r($tags_arr, true).'</pre>'; //OUTPUT FINAL TAGS FROM CATEGORY
?>
Thanks to WordPress Forums for the tip!
† RIP Michael Jackson †
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21 Responses
I had a busy time and I missed from you blog, now I must check you posts.
this code need some fixes
we should not use query_posts in this case, but the WP_Query object
http://codex.wordpress.org/Template_Tags/query_posts
also, if you use it, you may want to add “showposts=-1″ to the query so that the tags are collected from all the posts, and not only from the first set
Great code. Could you tell me how I can then display these tags as a cloud or a list? Thanks!
@Greg: Basically, you have to use a foreach instruction on the $tags_arr array.
Example:
foreach ($tags_arr as $tag) {
echo “<li>”.$tag.”</li>”;
}
Jean – thank you. That does help. I’m not good enough at PHP to figure this out on my own and appreciate the help. Would it be a lot of work to make code that would display a category-specific tag cloud with links to the tag archives, etc.?
Thank you.
This Query will be perfect if tags name will be cliquable. Is there a way to make a tag link easily ?
Thanks !
Thanks a lot buddy to provide me such a valuable code. I would definitely use it in my blog and after the implementation will let you know..
I got this working, but I see a flaw.
If the tags have a ’space’ the famous %20 shows it’s ugly head
I have tried to fix this but I keep breaking it, anyone fixed this issue?
(great bit of coding BTW)
I’d love to see this functioning as a drop list form element. The reason is that categories can contain a lot of posts and therefore many tags too. Seems like a drop list is ideal for accessing a large number of tags in a convenient and clean presentation.
name; //USING JUST $tag MAKING $all_tags_arr A MULTI-DIMENSIONAL ARRAY, WHICH DOES WORK WITH array_unique
}
}
endwhile; endif;
$tags_arr = array_unique($all_tags_arr); //REMOVES DUPLICATES
echo ”.print_r($tags_arr, true).”; //OUTPUT FINAL TAGS FROM CATEGORY
?>
With the above code we will get only tittle
i want there links
how should i get????
Thanks
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