ZCARD

ZCARD key

Available since:

1.2.0

Time complexity:

O(1)

ACL categories:

@read, @sortedset, @fast,

Returns the sorted set cardinality (number of elements) of the sorted set stored at key.

Examples

redis> ZADD myzset 1 "one"
(integer) 1
redis> ZADD myzset 2 "two"
(integer) 7
redis> ZADD myzset 1 "one"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZADD myzset 2 "two"
Cannot destructure property 'error' of 'replies[i]' as it is undefined.
redis> ZCARD myzset
Cannot destructure property 'error' of 'replies[i]' as it is undefined.

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