fixed requirement checker for intl PECL

fixes #1230

framework/yii/requirements/YiiRequirementChecker.php

@@ -178,6 +178,9 @@ class YiiRequirementChecker
 		if (empty($extensionVersion)) {
 			return false;
 		}
+		if (strncasecmp($extensionVersion, 'PECL-', 5) == 0) {
+			$extensionVersion = substr($extensionVersion, 5);
+		}
 		return version_compare($extensionVersion, $version, $compare);
 	}
 

framework/yii/requirements/requirements.php

@@ -44,7 +44,7 @@ return array(
 		'condition' => $this->checkPhpExtensionVersion('intl', '1.0.2', '>='),
 		'by' => '<a href="http://www.php.net/manual/en/book.intl.php">Internationalization</a> support',
 		'memo' => 'PHP Intl extension 1.0.2 or higher is required when you want to use advanced parameters formatting
-		in <code>\Yii::t()</code>, <abbr title="Internationalized domain names">IDN</abbr>-feature of
+		in <code>Yii::t()</code>, <abbr title="Internationalized domain names">IDN</abbr>-feature of
 		<code>EmailValidator</code> or <code>UrlValidator</code> or the <code>yii\i18n\Formatter</code> class.'
 	),
 );