- Usage:
-
SMISMEMBER key member [ member ... ]
- Complexity:
- O(N) where N is the number of elements being checked for membership
- Since:
- 6.2.0
Returns whether each member
is a member of the set stored at key
.
For every member
, 1
is returned if the value is a member of the set, or 0
if the element is not a member of the set or if key
does not exist.
Examples
127.0.0.1:6379> SADD myset "one"
(integer) 1
127.0.0.1:6379> SADD myset "one"
(integer) 0
127.0.0.1:6379> SMISMEMBER myset "one" "notamember"
1) (integer) 1
2) (integer) 0