Description Usage Arguments Details Value Author(s) References
Report the number of elements in a sorted set.
1 | redisZCard(key)
|
key |
The name of the set. |
See the Redis documentation for details.
The number of elements in the set or zero if the set does not exist. An error is thrown if the key name exists but is not a set.
B. W. Lewis
http://redis.io/commands
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