Commit 01487aa1 by Carsten Brandt

added note about timezone database update to the guide

fixes #5128
parent 866ae56b
...@@ -124,6 +124,13 @@ echo Yii::$app->formatter->asTime('2014-10-06 12:41:00'); // 14:41:00 ...@@ -124,6 +124,13 @@ echo Yii::$app->formatter->asTime('2014-10-06 12:41:00'); // 14:41:00
echo Yii::$app->formatter->asTime('2014-10-06 14:41:00 CEST'); // 14:41:00 echo Yii::$app->formatter->asTime('2014-10-06 14:41:00 CEST'); // 14:41:00
``` ```
> Note: As time zones are subject to rules made by the governments around the world and may change frequently, it is
> likely that you do not have the latest information in the time zone database installed on your system.
> You may refer to the [ICU manual](http://userguide.icu-project.org/datetime/timezone#TOC-Updating-the-Time-Zone-Data)
> for details on updating the time zone database.
> See also: [Setting up your PHP environment for internationalization](tutorial-i18n.md#setup-environment).
Formatting Numbers <a name="numbers"></a> Formatting Numbers <a name="numbers"></a>
------------------ ------------------
......
...@@ -523,3 +523,8 @@ We recommend an ICU version greater or equal to version ICU 49 to be able to use ...@@ -523,3 +523,8 @@ We recommend an ICU version greater or equal to version ICU 49 to be able to use
One major feature that is missing in Versions below 49 is the `#` placeholder in plural rules. One major feature that is missing in Versions below 49 is the `#` placeholder in plural rules.
See <http://site.icu-project.org/download> for a list of available ICU versions. Note that the version numbering has changed after the See <http://site.icu-project.org/download> for a list of available ICU versions. Note that the version numbering has changed after the
4.8 release so that the first digits are now merged: the sequence is ICU 4.8, ICU 49, ICU 50. 4.8 release so that the first digits are now merged: the sequence is ICU 4.8, ICU 49, ICU 50.
Additionally the information in the time zone database shipped with the ICU library may be outdated. Please refer
to the [ICU manual](http://userguide.icu-project.org/datetime/timezone#TOC-Updating-the-Time-Zone-Data) for details
on updating the time zone database. While for output formatting the ICU timezone database is used, the time zone database
used by PHP may be relevant too. You can update it by installing the latest version of the [pecl package `timezonedb`](http://pecl.php.net/package/timezonedb).
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