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.
Examples
127.0.0.1:6379> ZADD myzset 1 "one"
(integer) 1
127.0.0.1:6379> ZSCORE myzset "one"
"1"
Returns the score of a member in a sorted set.
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.
127.0.0.1:6379> ZADD myzset 1 "one"
(integer) 1
127.0.0.1:6379> ZSCORE myzset "one"
"1"
One of the following:
One of the following: