Adding New Currency Symbol in to Woocommerce

Using the following code you can add new currency and symbol in WordPress plugin Woocommerce

add_filter( 'woocommerce_currencies', 'add_my_currency' );
function add_my_currency( $currencies ) {
 $currencies['ABC'] = __( 'Currency name', 'woocommerce' );
 return $currencies;
}
add_filter('woocommerce_currency_symbol', 'add_my_currency_symbol', 10, 2);
function add_my_currency_symbol( $currency_symbol, $currency ) {
 switch( $currency ) {
 case 'ABC': $currency_symbol = '$'; break;
 }
 return $currency_symbol;
}