WooCommerce 添加自定义货币/符号

    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;

    }