ZSCORE key member
Available since 1.2.0.
Time complexity: O(1)
Returns the score of member
in the sorted set at key
.
If member
does not exist in the sorted set, or key
does not exist, nil
is returned.
*Return value
Bulk string reply: the score of member
(a double precision floating point number), represented as string.
*Examples
redis> ZADD myzset 1 "one"
- (integer) 1
redis> ZSCORE myzset "one"
- "1"