SISMEMBER

Syntax
SISMEMBER key member
Available since:
1.0.0
Time complexity:
O(1)
ACL categories:
@read, @set, @fast,

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

Return

Integer reply, specifically:

  • 1 if the element is a member of the set.
  • 0 if the element is not a member of the set, or if key does not exist.

Examples

SADD myset "one" SISMEMBER myset "one" SISMEMBER myset "two"
Rate this page