WordPress at a glance
filter is not described

wc_currency_settings filter-hook . WC 1.0

Usage

add_filter( 'wc_currency_settings', 'filter_function_name_4708' );
function filter_function_name_4708( $array ){
	// filter...

	return $array;
}
$array
-

Where the hook is called

Loader::get_currency_settings()
wc_currency_settings
woocommerce/packages/woocommerce-admin/src/Loader.php 1262-1273
return apply_filters(
	'wc_currency_settings',
	array(
		'code'              => $code,
		'precision'         => wc_get_price_decimals(),
		'symbol'            => html_entity_decode( get_woocommerce_currency_symbol( $code ) ),
		'symbolPosition'    => get_option( 'woocommerce_currency_pos' ),
		'decimalSeparator'  => wc_get_price_decimal_separator(),
		'thousandSeparator' => wc_get_price_thousand_separator(),
		'priceFormat'       => html_entity_decode( get_woocommerce_price_format() ),
	)
);

Where in WP core the hook is used WooCommerce

Usage not found.