MemorySpool.php

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<?php

/*
 * This file is part of SwiftMailer.
 * (c) 2011 Fabien Potencier <fabien.potencier@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

class Swift_MemorySpool implements Swift_Spool
{
    protected $messages = array();

    public function isStarted()
    {
        return true;
    }

    public function start()
    {
    }

    public function stop()
    {
    }

    public function queueMessage(Swift_Mime_Message $message)
    {
        //clone the message to make sure it is not changed while in the queue
        $this->messages[] = clone $message;

        return true;
    }

    public function flushQueue(Swift_Transport $transport, &$failedRecipients = null)
    {
        if (!$this->messages) {
            return 0;
        }

        if (!$transport->isStarted()) {
            $transport->start();
        }

        $count = 0;
        while ($message = array_pop($this->messages)) {
            $count += $transport->send($message, $failedRecipients);
        }

        return $count;
    }
}