STRLEN

Syntax

1. STRLEN key

Time complexity: O(1)

ACL categories: @read, @string, @fast

Returns the length of the string value stored at key. An error is returned when key holds a non-string value.

Integer reply: the length of the string at key, or 0 when key does not exist.

1. dragonfly> SET mykey "Hello world"
2. "OK"
3. dragonfly> STRLEN mykey
4. (integer) 11
5. dragonfly> STRLEN nonexisting
6. (integer) 0