SMISMEMBER

SMISMEMBER key member [member ...]
Available since:
Redis Open Source 6.2.0
Time complexity:
O(N) where N is the number of elements being checked for membership
ACL categories:
@read, @set, @fast,
Compatibility:
Redis Software and Redis Cloud compatibility

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.

Required arguments

key

The name of the key that holds the set.

member [member ...]

One or more members to check for.

Examples

SADD myset "one" SADD myset "one" SMISMEMBER myset "one" "notamember"

Redis Software and Redis Cloud compatibility

Redis
Software
Redis
Cloud
Notes
✅ Standard
✅ Active-Active
✅ Standard
✅ Active-Active

Return information

Array reply: a list representing the membership of the given elements, in the same order as they are requested.
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