PHP Warning: date(): It is not safe to rely on the system’s timezone settings

如下错误：

PHP 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 in

通过搜索，发现从php5.3 ，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。知道了问题的根源，解决的方法有三种，任选一种即可。

一、在页头使用date_default_timezone_set()设置 date_default_timezone_set(‘PRC’);

二、在页头使用ini_set(‘date.timezone’,'Asia/Shanghai’);

三、修改php.ini。打开php5.ini查找date.timezone 去掉前面的分号修改成为：date.timezone =PRC

注意：上述设置都是针对中国大陆来设置的，同时PRC也可以用Asia/Shanghai，Asia/Chongqing，Asia/Urumqi来代替。

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Warning: strtotime(): It is not safe to rely on the system’s timezone settings. Please use the date.timezone setting, the TZ environment variable 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 ‘America/Chicago’ for ‘CDT/-5.0/DST’ …..

The solution was pretty simple, just be sure to add in /etc/php.ini the time zone where your server is.

In my case “America/New_York”.

So a snip of /etc/php/php.ini is:

; http://php.net/date.timezone date.timezone = America/New_York 

Also be sure to restart Apache once that is done