PHP redis秩序集合操作【いいね機能】

connect('127.0.0.1', 6379);  
$redis->auth('*****');  

$plan_id = '1';
//$like_id = '2';
$uid = '6';

//$redis->ZADD("plan:$plan_id:liked", time(), $uid);


//$total = $redis->ZCARD("plan:$plan_id:liked");

$uids_z = $redis->ZREVRANGE("plan:$plan_id:liked", 0, -1, TRUE); //    
var_dump($uids_z);

$uids_d = $redis->ZRANGE("plan:$plan_id:liked", 0, -1, TRUE); //    
var_dump($uids_d);
//echo $redis ->get( "test"); 
//
//               
//$res = $redis->ZSCORE("plan:$plan_id:liked", $uid);
//var_dump($res);
//
//      
$redis->ZREM("plan:$plan_id:liked", $uid); 

$uids_z = $redis->ZREVRANGE("plan:$plan_id:liked", 0, -1, TRUE); //    
var_dump($uids_z);

?>