Warning：It is not safe to rely on the system's timezone settings

今天在本地运行PHP脚本文件没有问题，但是传到线上测试服务器以后，报了如下错误：<b>Warning</b>: date() [<a href='function.date'>function.date</a>]: 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. We selected 'Asia/Chongqing' for 'CST/8.0/no DST' instead in <b>

线上测试服务器的环境是同事新配置的，看了一眼错误，知道可能是php.ini配置文件关于时区设置的问题

因为PHP所取的时间是格林威治标准时间，所以和你当地的时间会有出入，格林威治标准时间和北京时间大概差8个小时左右，我们可以按照下面的方法解决：

1、在页头使用date_default_timezone_set()设置我的默认时区为北京时间，date_default_timezone_set("PRC");。

2、在php.ini中设置 date.timezone的值为PRC，设置好以后的为：date.timezone=PRC，同时取消这一行代码的注释，即去掉前面的分号就可以了。

3、ini_set('date.timezone','Asia/Shanghai');

XXX可以任意正确的值。对于我们国内来说：可以为以下值：Asia/Chongqing ，Asia/Shanghai ，Asia/Urumqi （依次为重庆，上海，乌鲁木齐）港台地区可用：Asia/Macao ，Asia/Hong_Kong ，Asia/Taipei （依次为澳门，香港，台北），还有新加坡：Asia/Singapore，当然PRC也行

转载于:https://www.cnblogs.com/wangjunzi/p/3240802.html

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