pictcode

<?php

/**

 * Abstract send email

 *

 * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)

 * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 *

 * Licensed under The MIT License

 * For full copyright and license information, please see the LICENSE.txt

 * Redistributions of files must retain the above copyright notice.

 *

 * @copyright     Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)

 * @link          http://cakephp.org CakePHP(tm) Project

 * @package       Cake.Network.Email

 * @since         CakePHP(tm) v 2.0.0

 * @license       http://www.opensource.org/licenses/mit-license.php MIT License

 */

/**

 * Abstract transport for sending email

 *

 * @package       Cake.Network.Email

 */

abstract class AbstractTransport {

/**

 * Configurations

 *

 * @var array

 */

        protected $_config = array();

/**

 * Send mail

 *

 * @param CakeEmail $email CakeEmail instance.

 * @return array

 */

        abstract public function send(CakeEmail $email);

/**

 * Set the config

 *

 * @param array $config Configuration options.

 * @return array Returns configs

 */

        public function config($config = null) {

                if (is_array($config)) {

                        $this->_config = $config + $this->_config;

                }

                return $this->_config;

        }

/**

 * Help to convert headers in string

 *

 * @param array $headers Headers in format key => value

 * @param string $eol End of line string.

 * @return string

 */

        protected function _headersToString($headers, $eol = "\r\n") {

                $out = '';

                foreach ($headers as $key => $value) {

                        if ($value === false || $value === null || $value === '') {

                                continue;

                        }

                        $out .= $key . ': ' . $value . $eol;

                }

                if (!empty($out)) {

                        $out = substr($out, 0, -1 * strlen($eol));

                }

                return $out;

        }

}