ZMSCORE
Syntax
ZMSCORE key member [member ...]
Time complexity: O(N) where N is the number of members being requested.
ACL categories: @read, @sortedset, @fast
Returns the scores associated with the specified members in the sorted set stored at key.
For every member that does not exist in the sorted set, a nil value is returned.
Return
Array reply: list of scores or nil associated with the specified member values (a double precision floating point number),
represented as strings.
Examples
dragonfly> ZADD myzset 1 "one"
(integer) 1
dragonfly> ZADD myzset 2 "two"
(integer) 1
dragonfly> ZMSCORE myzset "one" "two" "nofield"
1) "1"
2) "2"
3) (nil)