更改php中检索日期的时区 [英] Changing timezone of a retrieved date in php
问题描述
到目前为止,我已经有了
$ datetime = $ row-> field_data_field_performance_times_field_performance_times_v;
$ eventDate = DateTime :: createFromFormat('Y-m-d H:i:s',$ datetime,new DateTimeZone($ user-> timezone));
$ perform_time = date_format($ eventDate,'l,j F,Y,H:i');
但它不会更改时区。任何想法有什么问题?在我的情况下应该是+2个小时。
您的输入datetime是UTC,而不是用户的时区。所以首先你必须创建UTC的datetime对象,然后设置/更改时区到用户的:
$ dt = new DateTime('2013-09-15 08:45:00',new DateTimeZone('UTC'));
print_r($ dt);
/ *
DateTime对象
(
[date] => 2013-09-15 08:45:00
[timezone_type] => 3
[时区] => UTC
)
* /
你有UTC时区的datetime。如果要更改时区,只需在DateTime对象上调用 - > setTimezone()
:
$ dt-> setTimezone(new DateTimeZone('Europe / Berlin'));
print_r($ dt);
/ *
DateTime对象
(
[date] => 2013-09-15 10:45:00
[timezone_type] => 3
[时区] =>欧洲/柏林
)
* /
ps因为输入 2013-09-15 08:45:00
是以标准的datetime格式,您不需要使用 DateTime :: createFromFormat
。
I am retrieving a date in format of 2013-09-15 08:45:00 from the database, which is set in UTC and I need to change it to another dynamic timezone (based on user)
So far I've got
$datetime = $row->field_data_field_performance_times_field_performance_times_v;
$eventDate = DateTime::createFromFormat('Y-m-d H:i:s', $datetime, new DateTimeZone($user->timezone));
$performance_time = date_format($eventDate, 'l, j F, Y, H:i');
But it doesn't change the timezone. Any ideas what's wrong? It should be +2 hours in my case.
Your input datetime is in UTC, not user's timezone. So first you must create datetime object in UTC, and then set/change timezone to user's :
$dt = new DateTime('2013-09-15 08:45:00', new DateTimeZone('UTC'));
print_r($dt);
/*
DateTime Object
(
[date] => 2013-09-15 08:45:00
[timezone_type] => 3
[timezone] => UTC
)
*/
Now you have datetime in UTC timezone. If you wish to change timezone, just call ->setTimezone()
on DateTime object :
$dt->setTimezone(new DateTimeZone('Europe/Berlin'));
print_r($dt);
/*
DateTime Object
(
[date] => 2013-09-15 10:45:00
[timezone_type] => 3
[timezone] => Europe/Berlin
)
*/
p.s. because input 2013-09-15 08:45:00
is in standard datetime format, you don't need to use DateTime::createFromFormat
.
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