ApplicationFee.php

<?php

class Stripe_ApplicationFee extends Stripe_ApiResource
{
  /**
   * This is a special case because the application fee endpoint has an 
   *    underscore in it. The parent `className` function strips underscores.
   *
   * @return string The name of the class.
   */
  public static function className($class)
  {
    return 'application_fee';
  }

  /**
   * @param string $id The ID of the application fee to retrieve.
   * @param string|null $apiKey
   *
   * @return Stripe_ApplicationFee
   */
  public static function retrieve($id, $apiKey=null)
  {
    $class = get_class();
    return self::_scopedRetrieve($class, $id, $apiKey);
  }

  /**
   * @param string|null $params
   * @param string|null $apiKey
   *
   * @return array An array of application fees.
   */
  public static function all($params=null, $apiKey=null)
  {
    $class = get_class();
    return self::_scopedAll($class, $params, $apiKey);
  }

  /**
   * @param string|null $params
   *
   * @return Stripe_ApplicationFee The refunded application fee.
   */
  public function refund($params=null)
  {
    $requestor = new Stripe_ApiRequestor($this->_apiKey);
    $url = $this->instanceUrl() . '/refund';
    list($response, $apiKey) = $requestor->request('post', $url, $params);
    $this->refreshFrom($response, $apiKey);
    return $this;
  }
}