STRLEN
Syntax
STRLEN key
Time complexity: O(1)
Returns the length of the string value stored at key
. An error is returned when key
holds a non-string value.
Return
Integer reply: the length of the string at key
, or 0
when key
does not exist.
Examples
dragonfly> SET mykey "Hello world"
"OK"
dragonfly> STRLEN mykey
(integer) 11
dragonfly> STRLEN nonexisting
(integer) 0