STRLEN
Syntax
STRLEN key
- Available since:
- 2.2.0
- 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.
Return
Integer reply: the length of the string at key, or 0 when key does not
exist.