Automattic / jetpack

	public static function is_single_user_site() {

		global $wpdb;

		if ( false === ( $some_users = get_transient( 'jetpack_is_single_user' ) ) ) {

			$some_users = $wpdb->get_var( "SELECT COUNT(*) FROM (SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '{$wpdb->prefix}capabilities' LIMIT 2) AS someusers" );

			set_transient( 'jetpack_is_single_user', (int) $some_users, 12 * HOUR_IN_SECONDS );

		}

		return 1 === (int) $some_users;

	}

				return -1; // Not a real value but should tell us that we are dealing with a large network.

			}

		}

		if ( false === ( $user_count = get_transient( 'jetpack_site_user_count' ) ) ) {

			// It wasn't there, so regenerate the data and save the transient

			$user_count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->usermeta WHERE meta_key = '{$wpdb->prefix}capabilities'" );

			set_transient( 'jetpack_site_user_count', $user_count, DAY_IN_SECONDS );

		}

		return $user_count;

	}