Файл добавить не удалось, код добавляется этот:
<?php

/**
* @file
* Add "Your phone" field to popup with hooks, validate this field and finally
* save the field to "field_phone" field of user billing profile.
* Save "Your name" fileld to "field_name" of the billing profile.
* Define value of [commerce-order:commerce-buy-one-click-phone] token.
*/

/**
* Implements hook_commerce_buy_one_click_add_to_cart_form_prefix_alter().
*/
function hook_commerce_buy_one_click_add_to_cart_form_prefix_alter(&$prefix_html, $form, $form_state) {
// @todo Add example code.
}

/**
* Implements hook_commerce_buy_one_click_form_alter().
*/
function hook_commerce_buy_one_click_form_alter(&$form) {
$form['form_wrapper']['commerce_buy_one_click_phone'] = array(
'#title' => t('Your phone'),
'#type' => 'textfield',
'#default_value' => '',
'#weight' => 15,
'#required' => TRUE,
);
}

/**
* Implements hook_commerce_buy_one_click_admin_email_data_alter().
*/
function hook_commerce_buy_one_click_admin_email_data_alter(&$admin_email_data, $form, $form_state) {
$admin_email_data['commerce_buy_one_click']['commerce-buy-one-click-phone'] = trim($form_state['values']['commerce_buy_one_click_phone']);
}

/**
* Implements hook_commerce_buy_one_click_form_validate_alter().
*/
function hook_commerce_buy_one_click_form_validate_alter(&$errors, $form, $form_state) {
if (empty($form_state['values']['commerce_buy_one_click_phone'])) {
$errors = t('Error: phone must be specified.');
}
}

/**
* Implements hook_commerce_buy_one_click_form_submit_alter().
*/
function hook_commerce_buy_one_click_form_submit_alter($order, $order_user, $form, $form_state) {
$phone = trim($form_state['values']['commerce_buy_one_click_phone']);
$name = t('Buy one click');
if (!empty($form_state['values']['commerce_buy_one_click_name'])) {
$name = $form_state['values']['commerce_buy_one_click_name'];
}
if (!empty($phone) || !empty($name)) {
$phone = trim($phone);

// Update billing profile with user data.
if (empty($order->commerce_customer_billing)) {
$profile = commerce_customer_profile_new('billing', $order_user->uid);
_commerce_buy_one_click_phone_update_billing_profile($profile, $phone, $name);
$profile_object = array(
'und' => array(
array(
'profile_id' => $profile->profile_id,
),
),
);
$order->commerce_customer_billing = $profile_object;
commerce_order_save($order);
}
else {
$order_wrapper = entity_metadata_wrapper('commerce_order', $order);
$profile = commerce_customer_profile_load($order_wrapper->commerce_customer_billing->profile_id->value());
_commerce_buy_one_click_phone_update_billing_profile($profile, $phone, $name);
}
}
}

/**
* Update billing profile function.
*/
function _commerce_buy_one_click_phone_update_billing_profile(&$profile, $phone, $name) {
$profile_wrapper = entity_metadata_wrapper('commerce_customer_profile', $profile);
$profile_wrapper->field_phone = $phone;
$profile_wrapper->field_name = $name;
commerce_customer_profile_save($profile);
}