<?php

/*
 * This file is part of SwiftMailer.
 * (c) 2004-2009 Chris Corbyn
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

/**
 * This interface intercepts calls to the mail() function.
 * 
 * @package Swift
 * @subpackage Transport
 * @author Chris Corbyn
 */
interface Swift_Transport_MailInvoker
{
  
  /**
   * Send mail via the mail() function.
   * 
   * This method takes the same arguments as PHP mail().
   * 
   * @param string $to
   * @param string $subject
   * @param string $body
   * @param string $headers
   * @param string $extraParams
   * 
   * @return boolean
   */
  public function mail($to, $subject, $body, $headers = null, $extraParams = null);
  
}
