Redis SPOP command is used to remove and return a random member from the set stored at a specified key.
Return Value
String reply, the removed element, or nil when the key does not exist.
Syntax
Following is the basic syntax of Redis SPOP command.
redis 127.0.0.1:6379> SPOP KEY
Example
redis 127.0.0.1:6379> SADD myset1 "hello" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "world" (integer) 1 redis 127.0.0.1:6379> SADD myset1 "bar" (integer) 1 redis 127.0.0.1:6379> SPOP myset1 "bar" redis 127.0.0.1:6379> SMEMBERS myset1 1) "Hello" 2) "world"