bp_get_total_friend_count( int $user_id )

	function bp_get_total_friend_count( $user_id = 0 ) {

		/**
		 * Filters the total friend count for a given user.
		 *
		 * @since BuddyPress 1.2.0
		 * @since BuddyPress 2.6.0 Added the `$user_id` parameter.
		 *
		 * @param int $value   Total friend count.
		 * @param int $user_id ID of the queried user.
		 */
		return apply_filters( 'bp_get_total_friend_count', friends_get_total_friend_count( $user_id ), $user_id );
	}