在WooCommerce中隐藏特定计费状态的某些结帐字段类型

add_filter('woocommerce_checkout_fields', 'hide_checkout_fields_based_on_billing_state');

function hide_checkout_fields_based_on_billing_state($fields) {
    $billing_country = WC()->customer->get_billing_country();
    $billing_state = WC()->customer->get_billing_state();

    // 检查计费状态是否为某个特定值
    if ($billing_country === 'US' && $billing_state === 'CA') {
        // 隐藏某些结账字段类型
        unset($fields['billing']['billing_company']);
        unset($fields['billing']['billing_address_2']);
    }

    return $fields;
}