:sig
u64 ws_connection_count(String scope = "")

:params
scope : optional scope identifier, defaults to the current WebSocket page scope
return value : number of connected WebSocket clients in that scope

:see
>websocket

:content
Returns the number of currently connected WebSocket clients for the given scope.

If `scope` is omitted, the current page scope is used.

Related:

- PHP: WebSocket connection metadata and send APIs in Ratchet, Workerman, or similar server frameworks
- JavaScript / Node.js: browser `WebSocket` properties and Node `ws` server-side connection inspection and send methods