Файл: symfony-2.7/src/Symfony/Component/Intl/Locale.php
Строк: 59
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SymfonyComponentIntl;
/**
* Provides access to locale-related data.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @internal
*/
final class Locale extends Locale
{
/**
* @var string
*/
private static $defaultFallback = 'en';
/**
* Sets the default fallback locale.
*
* The default fallback locale is used as fallback for locales that have no
* fallback otherwise.
*
* @param string $locale The default fallback locale
*
* @see getFallback()
*/
public static function setDefaultFallback($locale)
{
self::$defaultFallback = $locale;
}
/**
* Returns the default fallback locale.
*
* @return string The default fallback locale
*
* @see setDefaultFallback()
* @see getFallback()
*/
public static function getDefaultFallback()
{
return self::$defaultFallback;
}
/**
* Returns the fallback locale for a given locale.
*
* For example, the fallback of "fr_FR" is "fr". The fallback of "fr" is
* the default fallback locale configured with {@link setDefaultFallback()}.
* The default fallback locale has no fallback.
*
* @param string $locale The ICU locale code to find the fallback for
*
* @return string|null The ICU locale code of the fallback locale, or null
* if no fallback exists
*/
public static function getFallback($locale)
{
if (false === $pos = strrpos($locale, '_')) {
if (self::$defaultFallback === $locale) {
return 'root';
}
// Don't return default fallback for "root", "meta" or others
// Normal locales have two or three letters
if (strlen($locale) < 4) {
return self::$defaultFallback;
}
return;
}
return substr($locale, 0, $pos);
}
/**
* This class must not be instantiated.
*/
private function __construct()
{
}
}