[PHP] Re: Time zone in date function

2012-01-31 Thread Ian 
On 31/01/2012 01:55, Ron Piggott wrote:
 
 On my clients account when I use “echo date(‘D, d M Y H:i:s');” the output is 
 5 hours ahead of us.  How do I change it to my local time?  Is there a way to 
 specify “Eastern” time zone?
 
 I expect this would work:
 
 echo date(‘D, d M Y H:i:s' , ( strtotime( date(‘D, d M Y H:i:s') – 21600  ) ) 
 );
 
 I would prefer to specify Eastern time, so if the web host changes a server 
 setting it will remain in Eastern time zone.  Ron

Hi Ron,

I use this function to get the current time in a particular timezone:

?php
/**
 * Return the current local time by timezone name
 * @param string $timezone
 * @return array
 * @author Ian Gibbons
 */
function getNowByTimezone($timezone){
$remote_timezone= new DateTimeZone($timezone);
$remote_time= new DateTime(now, $remote_timezone);

return getDate(strtotime($remote_time-format(Y-m-d H:i:s)));
}
?

Example:

?

$london_time = getNowByTimezone(Europe/London);
echo date(D, d M Y H:i:s, $london_time[0]);

?

Regards

Ian


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[PHP] Re: Time zone in date function

2012-01-31 Thread Jonesy 
On Tue, 31 Jan 2012 14:57:41 +1300, Simon J Welsh wrote:
 On 31/01/2012, at 2:55 PM, Ron Piggott wrote:

 
 On my clients account when I use ?echo date(?D, d M Y H:i:s');? the output 
 is 5 hours ahead of us.  How do I change it to my local time?  Is there a 
 way to specify ?Eastern? time zone?
 
 I expect this would work:
 
 echo date(?D, d M Y H:i:s' , ( strtotime( date(?D, d M Y H:i:s') ? 21600  ) 
 ) );
 
 I would prefer to specify Eastern time, so if the web host changes a server 
 setting it will remain in Eastern time zone.  Ron

 You can set the timezone for your script using date_default_timezone_set() 
 http://php.net/manual/en/function.date-default-timezone-set.php

(wrap your lines, folks!)

Is there a reason _not_ to use viz:

putenv(TZ=America/Anguilla);  
 ??

Or, is it simple Just The Linux Way(tm) , i.e. there's 
always more than one way to do a 'thing'?

Jonesy
-- 
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Re: [PHP] Re: Time zone in date function

2012-01-31 Thread Matijn Woudt 
On Tue, Jan 31, 2012 at 4:22 PM, Jonesy gm...@jonz.net wrote:
 On Tue, 31 Jan 2012 14:57:41 +1300, Simon J Welsh wrote:
 On 31/01/2012, at 2:55 PM, Ron Piggott wrote:


 On my clients account when I use ?echo date(?D, d M Y H:i:s');? the output 
 is 5 hours ahead of us.  How do I change it to my local time?  Is there a 
 way to specify ?Eastern? time zone?

 I expect this would work:

 echo date(?D, d M Y H:i:s' , ( strtotime( date(?D, d M Y H:i:s') ? 21600  ) 
 ) );

 I would prefer to specify Eastern time, so if the web host changes a server 
 setting it will remain in Eastern time zone.  Ron

 You can set the timezone for your script using date_default_timezone_set() 
 http://php.net/manual/en/function.date-default-timezone-set.php

 (wrap your lines, folks!)

 Is there a reason _not_ to use viz:

        putenv(TZ=America/Anguilla);
  ??

 Or, is it simple Just The Linux Way(tm) , i.e. there's
 always more than one way to do a 'thing'?

 Jonesy

From the PHP Manual:
every call to a date/time function will generate a E_NOTICE if the
timezone isn't valid, and/or a E_WARNING message if using the system
settings or the TZ environment variable.

So that will generate E_WARNING messages.

- Matijn

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[PHP] Re: Time zone in date function

2012-01-31 Thread Jonesy 
On Tue, 31 Jan 2012 17:15:48 +0100, Matijn Woudt wrote:
 On Tue, Jan 31, 2012 at 4:22 PM, Jonesy gm...@jonz.net wrote:

 Is there a reason _not_ to use viz:

        putenv(TZ=America/Anguilla);
  ??

 Or, is it simple Just The Linux Way(tm) , i.e. there's
 always more than one way to do a 'thing'?

 From the PHP Manual:
 every call to a date/time function will generate a E_NOTICE if the
 timezone isn't valid, and/or a E_WARNING message if using the system
 settings or the TZ environment variable.

 So that will generate E_WARNING messages.

Ya, but...  I am using that _very_ statement and get no E_WARNING.
The timezone illustrated _is_ valid.  IWFM.
I believe the PHP manual is 'awkwardly' written in this case.
Better would be if that *whole* sentence above was re-written beginning 
with If the timezone is invalid, every call  , and/or an 
E_WARNING ...  
As written, it could be construed to mean an E_WARNING is _always_
generated for setting the TZ environment variable.

Jonesy


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