woocommerce_currency_symbol │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_currency_symbol', 'wp_kama_woocommerce_currency_symbol_filter', 10, 2 );

/**
 * Function for `woocommerce_currency_symbol` filter-hook.
 * 
 * @param  $currency_symbol 
 * @param  $currency        
 *
 * @return 
 */
function wp_kama_woocommerce_currency_symbol_filter( $currency_symbol, $currency ){

	// filter...
	return $currency_symbol;
}

$currency_symbol

-

$currency

-

Where the hook is called

return apply_filters( 'woocommerce_currency_symbol', $currency_symbol, $currency );

Where the hook is used in WooCommerce