WordPress at Your Fingertips
filter is not described

woocommerce_paypal_supported_currencies filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_paypal_supported_currencies', 'filter_function_name_3030' );
function filter_function_name_3030( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

WC_Gateway_Paypal::is_valid_for_use()
woocommerce_paypal_supported_currencies
woocommerce/includes/gateways/paypal/class-wc-gateway-paypal.php 265-268
apply_filters(
	'woocommerce_paypal_supported_currencies',
	array( 'AUD', 'BRL', 'CAD', 'MXN', 'NZD', 'HKD', 'SGD', 'USD', 'EUR', 'JPY', 'TRY', 'NOK', 'CZK', 'DKK', 'HUF', 'ILS', 'MYR', 'PHP', 'PLN', 'SEK', 'CHF', 'TWD', 'THB', 'GBP', 'RMB', 'RUB', 'INR' )
),

Where in WP core the hook is used WooCommerce

Usage not found.