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Returns the description of a category defined in the category settings screen for the current category (Posts > Categories).
If used in the archive.php template, place this function within the is_category() conditional statement. Otherwise, this function will stop the processing of the page for monthly and other archive pages.
<?php echo category_description( $category_id ); ?>
Displays the description of a category, given its id, by echoing the return value of the tag. If no category given and used on a category page, it returns the description of the current category.
<div><?php echo category_description(3); ?></div>
Result:
WordPress is a favorite blogging tool of mine and I share tips and tricks for using WordPress here.
Note: if there is no category description, the function returns a br tag.
Displays the description of a category, using a category slug.
<?php echo category_description( get_category_by_slug('category-slug')->term_id ); ?>
<div><strong><?php single_cat_title('Currently browsing'); ?>
</strong>: <?php echo category_description(); ?></div>
Result:
Currently browsing WordPress: WordPress is a favorite blogging tool of mine and I share tips and tricks for using WordPress here.
category_description() is located in wp-includes/category-template.php.
Categories: the_category(), the_category_rss(), single_cat_title(), category_description(), wp_dropdown_categories(), wp_list_categories(), get_the_category(), get_the_category_by_ID(), get_category_by_slug(), get_the_category_list(), get_category_parents(), get_category_link(), is_category(), in_category()