Aramex Shipping WooCommerce

La URL del plugin: https://wordpress.org/plugins/aramex-shipping-woocommerce/

En el archivo functions.php de tu tema actual de WordPress añade el siguiente código:

add_filter('woocommerce_shipping_method_add_rate_args', function($arg, $obj) {
    if (stristr($arg['id'], '_aramex') !== FALSE AND $arg['cost']) {
        if (class_exists('WOOCS')) {
            global $WOOCS;
            if ($WOOCS->is_multiple_allowed) {
                $currrent = $WOOCS->current_currency;
                if ($currrent != $WOOCS->default_currency) {
                    $currencies = $WOOCS->get_currencies();
                    $rate = $currencies[$currrent]['rate'];
                    $arg['cost'] = $arg['cost'] / $rate;
                }
            }
        }
    }
    return $arg;
}, 2, 100);

Referencia de shortcodes, funciones, acciones y filtros de FOX WooCommerce Currency Switcher