Redis SISMEMBER returns an element that already exists in the set stored at the key or not.
Return Value
Integer reply
- 1, if the element is a member of the set.
- 0, if the element is not a member of the set, or if the key does not exist.
Syntax
Following is the basic syntax of Redis SISMEMBER command.
redis 127.0.0.1:6379> SISMEMBER KEY VALUE
Example
redis 127.0.0.1:6379> SADD myset1 "hello" (integer) 1 redis 127.0.0.1:6379> SISMEMBER myset1 "hello" (integer) 1 redis 127.0.0.1:6379> SISMEMBER myset1 "world" (integer) 0