Added requirement for ICU Data

framework/CHANGELOG.md

@@ -69,6 +69,7 @@ Yii Framework 2 Change Log
 - Chg #9411: `DetailView` now automatically sets container tag ID in case it's not specified (samdark)
 - Chg #9953: `TimestampBehavior::getValue()` changed to make value processing consistent with `AttributeBehavior::getValue()` (silverfire)
 - New #10083: Added wrapper for PHP webserver (samdark)
+- New: Added new requirement: ICU Data version >= 49.1 (SilverFire)
 
 
 2.0.6 August 05, 2015

framework/UPGRADE.md

@@ -17,6 +17,11 @@ php composer.phar global require "fxp/composer-asset-plugin:~1.1.0"
 Upgrade from Yii 2.0.6
 ----------------------
 
+* Added new requirement: ICU Data version >= 49.1. Please, ensure that your environment has ICU data installed and
+up to date to prevent unexpected behavior or crashes.
+
+ > Tip: Use Yii2 Requirements checker for easy and fast check. Look for `requirements.php` in root of Basic and Advanced
+ templates (howto-comment is in head of the script).
 * The signature of `yii\helpers\BaseInflector::transliterate()` was changed. The method is now public and has an
 extra optional parameter `$transliterator`.
 * In `yii\web\UrlRule` the `pattern` matching group names are being replaced with the placeholders on class

framework/requirements/requirements.php

@@ -70,7 +70,18 @@ return array(
         (for example, plural in
         <a href=\"http://www.yiiframework.com/doc-2.0/yii-i18n-formatter.html#asRelativeTime%28%29-detail\">
         Formatter::asRelativeTime()</a>) in the <code>yii\i18n\Formatter</code> class. Your current ICU version is ' .
-        INTL_ICU_VERSION . '.'
+        (defined('INTL_ICU_VERSION') ? INTL_ICU_VERSION : '(ICU is missing)') . '.'
+    ),
+    array(
+        'name' => 'ICU Data version',
+        'mandatory' => false,
+        'condition' => defined('INTL_ICU_DATA_VERSION') && version_compare(INTL_ICU_DATA_VERSION, '49.1', '>='),
+        'by' => '<a href="http://www.php.net/manual/en/book.intl.php">Internationalization</a> support',
+        'memo' => 'ICU Data 49.1 or higher is required when you want to use <code>#</code> placeholder in plural rules
+        (for example, plural in
+        <a href=\"http://www.yiiframework.com/doc-2.0/yii-i18n-formatter.html#asRelativeTime%28%29-detail\">
+        Formatter::asRelativeTime()</a>) in the <code>yii\i18n\Formatter</code> class. Your current ICU Data version is ' .
+        (defined('INTL_ICU_DATA_VERSION') ? INTL_ICU_DATA_VERSION : '(ICU Data is missing)') . '.'
     ),
     array(
         'name' => 'Fileinfo extension',