WordPress at a glance
function is not described

the_category_rss() WP 0.71

Display the post categories in the feed.

  • See: get_the_category_rss() For better explanation.

No Hooks.

Return

Nothing (null).

Usage

the_category_rss( $type );
$type(string)
Optional.
Default: type returned by get_default_feed()

Code of the category rss: wp-includes/feed.php VER 5.1.1

<?php
function the_category_rss( $type = null ) {
	echo get_the_category_rss( $type );
}