X-Currency Bulgarian lev with Multiple Symbol

add_filter(
    'x_currency_selected_currency', function( \stdClass $currency ) {
        if ( $currency->code !== 'BGN' ) {
            return $currency;
        }

        $symbols = [
            'en' => 'BGN', // English language symbol
            'bg' => 'лв',  // Български language symbol
        ];

        $selected_language = weglot_get_current_language();

        if ( isset( $symbols[$selected_language] ) ) {
            $currency->symbol = $symbols[$selected_language];
        }

        return $currency;
    }
);