:sig
bool ws_send(String message, bool binary = false, String scope = "")

:params
message : message payload to send
binary : set to true to send a binary frame instead of a text frame
scope : optional scope identifier, defaults to the current WebSocket page scope
return value : true if the message was queued for at least one connected client

:see
>websocket

:content
Queues a WebSocket message for every client connected to 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
