LLEN

LLEN returns the number of elements in the list stored at key.

Return value

Case	RESP2	RESP3
List exists	Integer: the length	Same
Key does not exist	Integer 0	Same

LLEN replies with a WRONGTYPE error if key holds a value that is not a list.

Examples

127.0.0.1:6379> RPUSH queue a b c
(integer) 3
127.0.0.1:6379> LLEN queue
(integer) 3
127.0.0.1:6379> LLEN nosuchkey
(integer) 0

Compatibility

Same as Redis 7.4 and Valkey 8.

See also

LRANGE, LINDEX, RPUSH