On Thu, Mar 28, 2013 at 4:55 PM, Maciek Sokolewicz
<maciek.sokolewicz@xxxxxxxxx> wrote:
> On 28-3-2013 22:40, Larry Martell wrote:
>>
>> On Thu, Mar 28, 2013 at 2:44 PM, Steven Staples <sstaples@xxxxxxxx> wrote:
>>>>
>>>> I think I am losing my mind. I have some time zone converting code, and
>>>> I
>>>> just don't understand what I am seeing. Also my system seems to return
>>>> the
>>>> wrong time after I do some date operations on unrelated objects.
>>>>
>>>> This is from a machine that is in eastern time. I want to convert to,
>>>> for
>>>> example central time:
>>>>
>>>> $ndate = new Date(date("Y-m-d H:i:s"));
>>>> echo $ndate->format("%Y-%m-%d %H:%M:%S");
>>>> 2013-03-28 15:35:07 <- this is the correct time
>>>>
>>>> $ndate->setTZbyID("EDT");
>>>> echo $ndate->format("%Y-%m-%d %H:%M:%S");
>>>> 2013-03-28 15:35:07 <- still correct
>>>>
>>>> $ndate->convertTZbyID("US/Central");
>>>> echo $ndate->format("%Y-%m-%d %H:%M:%S");
>>>> 2013-03-28 10:35:07 <- this is wrong it should be 14:35:07
>>>>
>>>> $xdate = new Date(date("Y-m-d H:i:s"));
>>>> echo $xdate->format("%Y-%m-%d %H:%M:%S");
>>>> 2013-03-28 19:35:07 <- HUH? This is wrong - should be 15:35:07
>>>>
>>>> What in the world is going on here?
>>>>
>>>
>>> I found this function a while back when I was converting UTC to EST...
>>> simple task I know, but still...
>>>
>>> ( I am sorry to whomever wrote this, I didn't keep the source where I
>>> found it )
>>>
>>> function convert_time_zone($date_time, $from_tz = 'UTC', $to_tz =
>>> 'America/Toronto')
>>> {
>>> $time_object = new DateTime($date_time, new
>>> DateTimeZone($from_tz));
>>> $time_object->setTimezone(new DateTimeZone($to_tz));
>>> return $time_object->format('Y-m-d H:i:s');
>>> }
>>
>>
>> I don't seem to have the DateTime object. We are running 5.1.6 and
>> that was added in 5.2.0. We are getting the Date module from an
>> external extension. I'll have to see about upgrading.
>>
> Well, if you're getting the Date class from a custom extension, then we
> can't help you. Simply because we have no clue what the extension's code is.
>
> Also, please ask your host to upgrade, 5.1.6 is hopelessly outdated (and
> unsupported!). The current version is 5.4 with 5.5 coming out very very
> soon.
>
The extension is this:
http://pear.php.net/package/Date/docs/latest/Date/Date.html - but that
is also a very old version. I am working on getting the upgrade done.
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