WordPress at a glance
function is not described

__clear_multi_author_cache() WP 3.2.0

Helper function to clear the cache for number of authors.

No Hooks.

Return

Nothing (null).

Usage

__clear_multi_author_cache();

Code of clear multi author cache: wp-includes/author-template.php VER 5.0.3

<?php
function __clear_multi_author_cache() {
	delete_transient( 'is_multi_author' );
}