[wp-hackers] Feed date format and locale not using blog settings. Bug or feature?

Bjorn Wijers burobjorn at gmail.com
Wed Feb 11 11:30:11 GMT 2009

Good point.

I looked at the RSS spec[1] and it refers to RFC822[2] which states (I glanced
over it) that the current time/date format as used by Wordpress is the correct
one. I've added this to the Codex[3]. However as far as I know it doesn't
mention anything on the localization of this? So my question on if this
could/should be localized remains.

[1] http://cyber.law.harvard.edu/rss/rss.html

[2] http://asg.web.cmu.edu/rfc/rfc822.html

[3] http://codex.wordpress.org/index.php?title=WordPress_Feeds&action=edit&section=7

All the best,


> My understanding of this is that RSS/Atom/Etc define the type of date
> representation which the parsers expect, RSS expects it in that
> format.. So following the user-set options would cause incompatibility
> with various feed readers who cant manually parse a odd date/time
> 2009/2/11 Bjorn Wijers <burobjorn at gmail.com>:
>> Hi,
>> It seems that Wordpress does not use the date format settings as set in de admin
>> interface (/wp-admin/options-general.php).
>> Instead it uses some hardcoded value in for example feed-rss2.php:
>> <pubDate><?php echo mysql2date('D, d M Y H:i:s +0000',
>> get_lastpostmodified('GMT'), false); ?></pubDate>
>> Is there a reason why it is hardcoded?
>> It also seems that the locale is not being used in this. It seems it defaults to
>> English. I would expect it to use the current set locale. So for Dutch it would
>> use the Dutch locale instead of the English one. Now we get a date/time format
>> in English even when the locale is set to Dutch. AFAIK no bug report exists for
>> this issue.
>> I would suggest to use the date_format and time_format options as set per blog
>> (thinking of WPMU as well) in the (/wp-admin/options-general.php). In order to
>> localize time/date I suggest we use the setlocale() function in combination with
>> strftime() function instead of date().
>> I'm willing to create a patch for this, but I would like to know if the proposed
>> solution would work out and make sure I'm not missing anything. So any feedback
>> on this is much appreciated.
>> ps: I have not yet created a ticket for this. I want to know for sure this is a
>> bug and not a feature.
>> All the best,
>> grtz
>> BjornW
>> --
>> met vriendelijke groet,
>> Bjorn Wijers
>> * b u r o b j o r n .nl *
>> digitaal vakmanschap | digital craftsmanship
>> Concordiastraat 68-126
>> 3551 EM Utrecht
>> The Netherlands
>> phone: +31 6 49 74 78 70
>> http://www.burobjorn.nl
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