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解决php的“It is not safe to rely on the system’s timezone settings”问题

作者:星之宇 ┊ 时间:2014-8-25 14:02 ┊ 分类: 技术问答 ┊ 阅读:17503 ┊ 评论:0

PHP调试的时候出现了警告: 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
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