HSTRLEN key field

Available since 3.2.0.

Time complexity: O(1)

Returns the string length of the value associated with field in the hash stored at key. If the key or the field do not exist, 0 is returned.

*Return value

Integer reply: the string length of the value associated with field, or zero when field is not present in the hash or key does not exist at all.

*Examples

redis>  HMSET myhash f1 HelloWorld f2 99 f3 -256 
"OK"
redis>  HSTRLEN myhash f1 
(integer) 10
redis>  HSTRLEN myhash f2 
(integer) 2
redis>  HSTRLEN myhash f3 
(integer) 4
redis>