json_decode()之后就是数组了可以遍历了哈哈哈哈

$points = json_decode($points,1);
            foreach($points as $p)
            {
                $t = substr($p['t'],0,10);
                Yii::$app->redis->executeCommand('rpush',['app_coord',$user_id.':'.$wx_id.':'.$t.':'.$p['lng'].':'.$p['lat']]);
            }