问题描述
如何将时区从 int 转换为 string(例如:Europe/Stockholm)?
How do you convert a timezone from int to string (etc: Europe/Stockholm)?
我正在使用 Facebooks PHP api 并且返回 ["timezone"] =>int(2).我该如何解析?
I'm using Facebooks PHP api and that returns ["timezone"] => int(2). How am I suppose to parse that?
推荐答案
如何将时区从整数转换为字符串(例如:欧洲/斯德哥尔摩)?
How do you convert a timezone from int to string (etc: Europe/Stockholm)?
你不能.阅读时区标签维基中的Time Zone != Offset".
You can't. Read "Time Zone != Offset" in the timezone tag wiki.
Facebook 的文档 解释了时区 字段是用户相对于 UTC 的时区偏移量.
Facebook's documentation explains that the timezone field is the user's timezone offset from UTC.
它没有说清楚，但我通过实验发现，它不一定是用户的当前偏移量，而是用户上次登录时的偏移量. 如果用户更改时区，或者夏令时开始或结束，则在用户下次登录之前不会反映在 Facebook 数据中.
What it doesn't make clear, but I have found through experimentation, is that it is not necessarily the user's current offset, but it instead it is the offset as of the user's last log in. If the user changes time zones, or daylight saving time begins or ends, that will not be reflected in the Facebook data until the user's next log in.
另见这些帖子:
- Facebook API、时区和国家
- FaceBook 时区和活动时间
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