AffiliateWP - Add Namibian Dollar

gistfile1.php

// add the Namibian Dollar as a currency
function affwp_custom_add_namibian_currency( $currencies ) {
	$currencies['NAD'] = 'Namibian Dollar';
	return $currencies;
}
add_filter( 'affwp_currencies', 'affwp_custom_add_namibian_currency' );

// add the currency symbol before the amount
function affwp_custom_namibian_currency_symbol( $formatted, $currency, $amount ) {
	$formatted = 'N$' . $amount;

	return $formatted;
}
add_filter( 'affwp_nad_currency_filter_before', 'affwp_custom_namibian_currency_symbol', 10, 3 );