cakephp2-php8/lib/Cake/Network/Email/DebugTransport.php

<?php
/**
 * Emulates the email sending process for testing purposes
 *
 * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
 * Copyright (c) Cake Software Foundation, Inc. (https://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. (https://cakefoundation.org)
 * @link          https://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
 */
App::uses('AbstractTransport', 'Network/Email');

/**
 * Debug Transport class, useful for emulate the email sending process and inspect the resulted
 * email message before actually send it during development
 *
 * @package       Cake.Network.Email
 */
class DebugTransport extends AbstractTransport {

/**
 * Send mail
 *
 * @param CakeEmail $email CakeEmail
 * @return array
 */
	public function send(CakeEmail $email) {
		$headers = $email->getHeaders(array('from', 'sender', 'replyTo', 'readReceipt', 'returnPath', 'to', 'cc', 'subject'));
		$headers = $this->_headersToString($headers);
		$message = implode("\r\n", (array)$email->message());
		return array('headers' => $headers, 'message' => $message);
	}

}