PHP获取MSN好友列表类

<?php
/********************************************************************
*   FileName: class.msn.php
*   by changwei, 2010-4-13
*   Contact MSN:  changwei0112@hotmail.com
*    获取MSN好友Email列表 
* 
============================================================
*  
*   PHP配置环境要求
*   支持socket、ssl、curl，开启php.ini文件中的以下地方
*    ;extension=php_sockets.dll
*    ;extension=php_curl.dll
*    ;extension=php_openssl.dll
*
============================================================
* 
*    使用方法  DEMO
*    require('class.msn.php');   //引用MSN好友列表类
*    $msn = new MsnFriend();
*    $list = $msn->GetList('changwei0112@hotmail.com','123123'); 
*    print_r($list);               //打印结果
*
********************************************************************/
Class MsnFriend {
    /**
    * 获取MSN列表
    **/
    function GetList($username,$password) {
        global $sbconn,$debug,$trid;
        ob_start();
        $username = trim($username);
        $password = trim($password);
        if(empty($username) || empty($password)){
            die('need name and password');
        }
        $debug = 0;
        $trid  = 0;
        $proto = "MSNP10";