PING

Since 1.1.0Pub/Sub

Syntax

PING [message]
  • Flags: fast
  • ACL categories: @connection, @fast
  • Arity: -1

Checks that the server answers. On a subscribed connection it replies the way subscribers' messages are replied, as an array.

Reply

  • PONG, or message if one is given.
  • On a subscribed connection: ["pong", ""], or ["pong", message].

Examples

> PING
PONG
> PING hi
"hi"
> SUBSCRIBE news
...
> PING hi
1) "pong"
2) "hi"