how get currency symbol by locale?

how get currency symbol by locale?

Ex: ‘$’ or ‘R$’

and thousands separator and decimal separator by locale?

echo Yii::$app->formatter->asCurrency(14.99);

http://www.yiiframework.com/doc-2.0/guide-output-formatter.html#formatting-numbers

http://www.yiiframework.com/doc-2.0/yii-i18n-formatter.html#asCurrency()-detail