ContributorsLast modified on: Mar 24, 2016

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Returns the rank of member in the sorted set stored at key, with the scores ordered from high to low. The rank (or index) is 0-based, which means that the member with the highest score has rank 0.

Use ZRANK to get the rank of an element with the scores ordered from low to high.

@return

• If member exists in the sorted set, @integer-reply: the rank of member.
• If member does not exist in the sorted set or key does not exist, @bulk-string-reply: nil.

@examples

ZADD myzset 1 "one"
ZADD myzset 2 "two"
ZADD myzset 3 "three"
ZREVRANK myzset "one"
ZREVRANK myzset "four"