bp_get_thread_recipients_count()

function bp_get_thread_recipients_count() {
	global $thread_template;
	/**
	 * Filters the total number of recipients in a thread.
	 *
	 * @since BuddyPress 2.8.0
	 *
	 * @param int $count Total recipients number.
	 */
	return (int) apply_filters( 'bp_get_thread_recipients_count', count( $thread_template->thread->recipients ) );
}