Zend Log Writer XMPP (gtalk)

Danceric_Log_Writer_Xmpp.php

<?php
/**
 * Writter for Zend_Log that use the XMPP protocol. 
 *
 * This class depends on XMPPHP library from http://code.google.com/p/xmpphp
 * Note: The recipient must have added the sender to his roster/contactlist 
 *  in order for him to receive the message 
 *
 * @category   Danceric
 * @package    Danceric_Log
 * @subpackage Writer
 */

/** Zend_Log_Writer_Abstract */
require_once 'Zend/Log/Writer/Abstract.php';

/** Zend_Log_Exception */
require_once 'Zend/Log/Exception.php';

/** Zend_Log_Formatter_Simple*/
require_once 'Zend/Log/Formatter/Simple.php';

/** XMPPHP_XMPP */
require 'XMPPHP/XMPP.php';

/**
 * Class used for writing log messages to xmpp via XMPPHP.
 *
 * Note that this class only sends the email upon
 * completion, so any log entries accumulated are sent in a single message.
 *
 * @category   Mmsr
 * @package    Danceric_Log
 * @subpackage Writer
 */
class Danceric_Log_Writer_Xmpp extends Zend_Log_Writer_Abstract
{
    /**
     * Array of formatted events to include in message body.
     *
     * @var array
     */
    protected $_eventsToSend = array();

    /**
     * Array of xmpp connection information. default to gtalk/gmail info
     * 
     * @var array
     */
    public $options = array(
        'host'      => 'talk.google.com', 
        'port'      => 5222,
        'user'      => '',
        'password'  => '',
        'resource'  => 'xmpphp',
        'server'    => 'gmail.com',
        'recipient' => '');
     
    /**
     * @param array $options xmpp connection information, mandatory: user, password, recipient
     * @return void
     */
    public function __construct($options)
    {
        $this->options = $options;
        $this->setFormatter(new Zend_Log_Formatter_Simple());
    }

    /**
     * Places event line into array of lines to be used as message body.
     *
     *
     * @param  array $event Event data
     * @return void
     */
    protected function _write($event)
    {
        $formattedEvent = $this->_formatter->format($event);
        
        $this->_eventsToSend[] = $formattedEvent;
    }


    /**
     * Sends message recipient if log entries are present.
     *
     * @return void
     */
    public function shutdown()
    {
        // If there are events to send, use them as message body.  
        // Otherwise, there is no message to be sent.
        if (empty($this->_eventsToSend)) {
            return;
        }

        $events = implode('', $this->_eventsToSend);

        // Finally, send the IM, but re-throw any exceptions at the
        // proper level of abstraction.
        try {
            $conn = new XMPPHP_XMPP($this->options['host'], 
                $this->$options['port'], 
                $this->$options['user'], 
                $this->$options['password'], 
                $this->$options['resource'], 
                $this->$options['server']);
            
            $conn->connect();
            $conn->processUntil('session_start');
            $conn->presence();
            $conn->message($this->options['recipient'], $events);
            $conn->disconnect();
        } catch (Exception $e) {
            throw new Zend_Log_Exception(
                $e->getMessage(),
                $e->getCode());
        }
    }
}