我的许可是
$par['req_perms'] = "publish_stream, offline_access, user_status, user_photos, user_videos, user_photo_video_tags, read_stream, user_likes, user_events, email, user_groups";
我尝试获取 facebook 照片调用方法
$photos = $facebook->api('/'.'userid'.'/photos');
但我得到空数组,解决办法是什么?