Description
Returns a random key.
返回一个随机的KEY。
Parameters
None.
Return value
STRING: an existing key in redis.
STRING：一个存在于REDIS中的KEY
Example
$key = $redis->randomKey();
$surprise = $redis->get($key); // who knows what's in there.
Description
Returns a random key.
返回一个随机的KEY。
Parameters
None.
Return value
STRING: an existing key in redis.
STRING：一个存在于REDIS中的KEY
Example
$key = $redis->randomKey();
$surprise = $redis->get($key); // who knows what's in there.