WordPress at a glance
function is not described

clean_comment_cache() WP 2.3.0

Removes a comment from the object cache.

Hooks in function
Return

Nothing (null).

Usage

clean_comment_cache( $ids );
$ids(int/array) (required)
Comment ID or an array of comment IDs to remove from cache.

Code of clean comment cache: wp-includes/comment.php VER 5.0.3

<?php
function clean_comment_cache($ids) {
	foreach ( (array) $ids as $id ) {
		wp_cache_delete( $id, 'comment' );

		/**
		 * Fires immediately after a comment has been removed from the object cache.
		 *
		 * @since 4.5.0
		 *
		 * @param int $id Comment ID.
		 */
		do_action( 'clean_comment_cache', $id );
	}

	wp_cache_set( 'last_changed', microtime(), 'comment' );
}