ZSCORE key member
Available since: 1.2.0
Time complexity: O(1)
ACL categories:
@read
@sortedset
@fast
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
@bulk-string-reply: the score of member (a double precision floating point number),
represented as string.
@examples
redis> ZADD myzset 1 "one"
TBD
redis> ZSCORE myzset "one"