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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\i18n;
use Yii;
use yii\base\Component;
use yii\base\InvalidConfigException;
/**
* Locale provides various locale information via convenient methods.
*
* The class requires [PHP intl extension](https://secure.php.net/manual/en/book.intl.php) to be installed.
*
* @property string $currencySymbol This property is read-only.
*
* @since 2.0.14
*/
class Locale extends Component
{
/**
* @var string the locale ID.
* If not set, [[\yii\base\Application::language]] will be used.
*/
public $locale;
/**
* {@inheritdoc}
*/
public function init()
{
if (!extension_loaded('intl')) {
throw new InvalidConfigException('Locale component requires PHP intl extension to be installed.');
}
if ($this->locale === null) {
$this->locale = Yii::$app->language;
}
}
/**
* Returns a currency symbol
*
* @param string $currencyCode the 3-letter ISO 4217 currency code to get symbol for. If null,
* method will attempt using currency code from [[locale]].
* @return string
*/
public function getCurrencySymbol($currencyCode = null)
{
$locale = $this->locale;
if ($currencyCode !== null) {
$locale .= '@currency=' . $currencyCode;
}
$formatter = new \NumberFormatter($locale, \NumberFormatter::CURRENCY);
return $formatter->getSymbol(\NumberFormatter::CURRENCY_SYMBOL);
}
}