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SMISMEMBER

Returns a list of booleans indicating if each specified member is a member of the set stored at key.

Syntax​

SMISMEMBER key member [member ...]

Details​

  • Available since: 6.2.0
  • Time complexity: O(N) where N is the number of members being checked.
  • ACL categories: @read, @set, @fast

Example​

Assume we have a set called myset with members "member1", "member2", and "member3":

SADD myset "member1" "member2"

Now, let's check if "member1", "member2", and "member4" are members of myset:

SMISMEMBER myset "member1" "member2" "member4"

This will output:

1) (integer) 1
2) (integer) 1
3) (integer) 0

RESP2/RESP3 Reply​

Array reply: list of integers representing the membership status of each member.