SISMEMBER

Checks whether a set contains a member.

Sets · Example verified

Syntax covered here

SISMEMBER key member

The case confirms membership for a value previously added with SADD.

Tested example & replies

Requests below run in order against an empty database. Each connection authenticates with the fixture password first. Quoted values are strings; null is a nil reply; arrays preserve RESP order.

# connection: default
> SADD team a
1
# connection: default
> SISMEMBER team a
1