warning:date():it is not dafe to rely on the system's timezone settings

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本文介绍了解决PHP中日期和时间函数遇到的时区警告的方法。通过配置php.ini文件或使用date_default_timezone_set函数可以指定正确的时区，确保项目正常运行。文章还提到了在更新PHP版本到5.3及以上时可能出现的问题及解决方案。

Warning: date(): It is not safe to rely on the system’s timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier.

If you are getting this error in any of your PHP projects, the fix would be to add thedate.timezone directive in your php.ini like this:

date.timezone = "Asia/Manila"

or call

date_default_timezone_set('Asia/Manila');

before calling any date or time functions. Of course, you can set it to other supported timezones. You might need to restart your web server for the changes to take effect if you choose the former.

The date.timezone directive existed prior to PHP 5.3.0, but was generally commented out that’s why it probably messed up your projects after updating your PHP versions to 5.3 (and mine too!)