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HomeBackend DevelopmentPHP Tutorial[转载]关于php时区时间异常有关问题

[转载]关于php时区时间错误问题

关于php时区时间错误问题??

http://czy4411741.blog.163.com/blog/static/342031272008123115233915/

从php5.1.0开始,php.ini里加入了date.timezone这个选项,默认情况下是关闭的

也就是显示的时间(无论用什么php命令)都是格林威治标准时间

和我们的时间(北京时间)差了正好8个小时,有以下3中方法可以恢复正常的时间。

1,最简单的方法就是不要用php5.1以上的版本

2,如果一定要用,而且不能修改php.ini,则需要在关于时间的初始化的语句的

上面加上 date_default_timezone_set (XXX);

cp无此问题

3,一劳永逸,仅限能修改php.ini。打开php.ini查找date.timezone 去掉前面的分号

= 后面加XXX,重启http服务(如apache2或iis等)即可

关于XXX,大陆内地可用的值是: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

老外好像把北京漏调了

其他可用的值是:Etc/GMT-8 ,Singapore ,Hongkong ,PRC

PRC是什么?PRC是中华人民共和国啊-_-

---------------------------------------------

解决方式:

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');

echo date('Y-m-d H:i:s');

时间和服务器当前时间一样了!!祝贺之

?

附date_default_timezone_set用法如下

?

--------------------------------

date_default_timezone_set

(PHP 5 >= 5.1.0RC1)date_default_timezone_set -- 设定用于一个脚本中所有日期时间函数的默认时区

说明

bool date_default_timezone_set ( string timezone_identifier )

date_default_timezone_set() 设定用于所有日期时间函数的默认时区。

?

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注: 自 PHP 5.1.0 起(此版本日期时间函数被重写了),如果时区不合法则每个对日期时间函数的调用都会产生一条 E_NOTICE 级别的错误信息。

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参数

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timezone_identifier

?

时区标识符,例如 UTC 或 Europe/Lisbon

?

返回值

本函数永远返回 TRUE(即使 timezone_identifier 参数不合法)。

------------------------------------------------------

再附上时区标识符:

CET

CST6CDT

Cuba

EET

Egypt

Eire

EST

EST5EDT

Etc/GMT

Etc/GMT+0

Etc/GMT+1

Etc/GMT+10

Etc/GMT+11

Etc/GMT+12

Etc/GMT+2

Etc/GMT+3

Etc/GMT+4

Etc/GMT+5

Etc/GMT+6

Etc/GMT+7

Etc/GMT+8

Etc/GMT+9

Etc/GMT-0

Etc/GMT-1

Etc/GMT-10

Etc/GMT-11

Etc/GMT-12

Etc/GMT-13

Etc/GMT-14

Etc/GMT-2

Etc/GMT-3

Etc/GMT-4

Etc/GMT-5

Etc/GMT-6

Etc/GMT-7

Etc/GMT-8

Etc/GMT-9

Etc/GMT0

Etc/Greenwich

Etc/UCT

Etc/Universal

Etc/UTC

Etc/Zulu

Factory

GB

GB-Eire

GMT

GMT+0

GMT-0

GMT0

Greenwich

Hongkong

HST

Iceland

Iran

Israel

Jamaica

Japan

Kwajalein

Libya

MET

MST

MST7MDT

Navajo

NZ

NZ-CHAT

Poland

Portugal

PRC

PST8PDT

ROC

ROK

Singapore

Turkey

UCT

Universal

UTC

W-SU

WET

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