ZCARD
ZCARD key
Returns the sorted set cardinality (number of elements) of the sorted set stored at key
.
Return value
Integer reply: the cardinality (number of elements) of the sorted set, or 0
if key
does not exist.
Examples
redis>
ZADD myzset 1 "one"
(integer) 1
redis>
ZADD myzset 2 "two"
(integer) 1
redis>
ZCARD myzset
(integer) 2
© 2009–2020 Salvatore Sanfilippo
Licensed under the Creative Commons Attribution-ShareAlike License 4.0.
https://redis.io/commands/zcard