SISMEMBER

Returns if member is a member of the set stored at key.

Examples

127.0.0.1:6379> SADD myset "one"
(integer) 1
127.0.0.1:6379> SISMEMBER myset "one"
(integer) 1
127.0.0.1:6379> SISMEMBER myset "two"
(integer) 0

RESP2/RESP3 Reply

One of the following:

• Integer reply: 0 if the element is not a member of the set, or when the key does not exist.

• Integer reply: 1 if the element is a member of the set.