phpinfo(): It is not safe to rely on the system's timezone settings

本文介绍了PHP中关于时区设置不正确导致的警告问题及三种解决方案。包括修改php.ini文件、在页面顶部设置时区以及使用date_default_timezone_set函数。

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PHP调试的时候出现了警告:

 

问题:

Warning: phpinfo(): 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 the timezone 'UTC' for now, but please set date.timezone to select your timezone. in /mnt/web/index.php on line 2

解决方法1:(最好的方法)在php.ini里加上找到date.timezone项,设置date.timezone = "Asia/Shanghai",重启环境就ok了。
====下面是网上摘抄

It is not safe to rely on the system解决方法,其实就是时区设置不正确造成的,本文提供了3种方法来解决这个问题。

实际上,从PHP 5.1.0开始当对使用date()等函数时,如果timezone设置不正确,在每一次调用时间函数时,都会产生E_NOTICE 或者 E_WARNING 信息,而又在php中,date.timezone这个选项,默认情况下是关闭的,无论用什么php命令都是格林威治标准时间,但是PHP5.3中如果没有设置部分时间类函数也会强行抛出了这个错误的。
PS:现在由于大部分人使用VPS/云主机,需要自己配置的环境的就更加会容易出现这个情况。
建议:不熟悉PHP环境还是用比较成熟的一键安装包吧。

 

方法1:

(最好的方法)在php.ini里加上找到date.timezone项,设置date.timezone = "Asia/Shanghai",重启环境就ok了。

 

方法2:

在需要用到这些时间函数的时候,在页面添加date_default_timezone_set("PRC");

 

方法3:

在页头加上设置时区ini_set('date.timezone','Asia/Shanghai');

 

错误代码:
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. We selected ‘Asia/Chongqing’ for ‘CST/8.0/no DST’ instead

Warning: strtotime(): 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

Warning: date_default_timezone_get(): 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>/home/ftp/n/nimaboke/include/lib/function.base.php

转载于:https://www.cnblogs.com/dabaixiong/p/5235705.html

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