Description
Moves a key to a different database.
移动一个KEY-VALUE到另一个DB
Parameters
Key: key, the key to move.
key:要移动的key
INTEGER: dbindex, the database number to move the key to.
整数值:要移动到的数据库ID
Return value
BOOL: TRUE in case of success, FALSE in case of failure.
整数BOOL：返回true为成功，返回false为失败。
Example
$redis->select(0); // switch to DB 0
$redis->set('x', '42'); // write 42 to x
$redis->move('x', 1); // move to DB 1
$redis->select(1); // switch to DB 1
$redis->get('x'); // will return 42
