How to set the time zone in PHP

How can this problem be solved? Notice: date_default_timezone_set (): TimezoneID & #039; Asiashanghai & #039; how is isinvalid broken?
Notice: date_default_timezone_set (): Timezone ID 'Asia/Shanghai' is invalid

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How can this problem be solved?
Notice: date_default_timezone_set (): Timezone ID 'Asia/Shanghai' is invalid

Asia/shanghai capital Shanghai

Date_default_timezone_set ('Asia/Shanghai'); // Time Zone Configuration

Set it to PRC.

Sorry, I answered the question without looking at it carefully.
You should first confirm whether you have these time zones.
Run the linux Command to review the time zone in CentOS:

[Root @ localhost ~] # Timedatectl list-timezones | grep ShanghaiAsia/Shanghai [root @ localhost ~] # Timedatectl list-timezones | grep beijing

If you do not have Beijing, set it to Asia/Shanghai.

In the php. ini file, you can set date. timezone = PRC and restart apache or nginx to solve the problem. It has been tested. Thank you for choosing