PHP模拟登陆163邮箱发邮件及获取通讯录列表的方法

<?php
    header("content-type: text/html; charset=utf-8");
    error_reporting(0);
    /**
     * 登陆
     * $user 163用户名
     * $pass 密码
    **/
    function login($user,$pass){
        //登陆
        $url = 'http://reg.163.com/logins.jsp?type=1&url=http://entry.mail.163.com/coremail/fcg/ntesdoor2?lightweight%3d1%26verifycookie%3d1%26language%3d-1%26style%3d-1';     
        $cookie = tempnam('./cache/','~');//创建一个用于存放cookie信息的临时文件 
        $fields_post = array(
            'username'      => $user,
            'password'      => $pass,
            'verifycookie'  => 1,
            'style'         => -1,
            'product'       => 'mail163',
            'seltype'       => -1,
            'secure'        => 'on'
        );
        $fields_string = '';   
        foreach($fields_post as $key => $value){
            $fields_string .= $key . '=' . $value . '&';
        }   
        $fields_string = rtrim($fields_string , '&');
        $headers = array(
            'user-agent' => 'mozilla/5.0 (windows; u; windows nt 5.1; zh-cn; rv:1.9) gecko/2008052906 firefox/3.0',
            'referer'    => 'http://www.163.com'
        );
        $ch = curl_init($url); 
        curl_setopt($ch, curlopt_returntransfer, true);//返回结果存放在变量中，而不是默认的直接输出
        curl_setopt($ch, curlopt_header, true);
        curl_setopt($ch, curlopt_connecttimeout, 120);
        curl_setopt($ch, curlopt_httpheader, $headers);
        curl_setopt($ch, curlopt_cookiejar, $cookie);//关闭连接时，将服务器端返回的cookie保存在以下文件中
        curl_setopt($ch, curlopt_post, true);
        curl_setopt($ch, curlopt_postfields, $fields_string);      
        $result= curl_exec($ch);
        curl_close($ch);
        preg_match_all('/<div class="info" id="ehint">(.*?) <\/div>/i', $result,$infos,preg_set_order);
        if(!empty($infos['0']['1'])){
            unlink($cookie);
            exit('<script type="text/javascript">alert("'.$infos['0']['1'].'");history.go(-1);</script>');
        }else{     
            $g_root = dirname(__file__);
            file_put_contents($g_root.'/cache/cookie', $cookie);
            return $cookie;
        }
    }
    /**
     *
     * $data['url'] 请求地址
     * $data['data_post'] post数据
     * $data['cookie']
     *
    **/
    function curl($data){
        $url = $data['url'];
        $data_post= $data['data_post']? $data['data_post']: false;
        $cookie = $data['cookie'];     
        $headers = array(
            'user-agent'        => 'mozilla/5.0 (windows; u; windows nt 5.1; zh-cn; rv:1.9) gecko/2008052906 firefox/3.0',
            'referer'    => 'http://www.163.com'
        );
        $ch = curl_init($url);  
        curl_setopt($ch, curlopt_returntransfer, true);
        curl_setopt($ch, curlopt_header, true);
        curl_setopt($ch, curlopt_connecttimeout, 120);     
        curl_setopt($ch, curlopt_httpheader, $headers);
        curl_setopt($ch, curlopt_cookiejar, $cookie);
        curl_setopt($ch, curlopt_cookiefile, $cookie);  //cookie文件 登陆之后
        //post 提交
        if($data_post){
            curl_setopt($ch, curlopt_post, 1);
            curl_setopt($ch, curlopt_postfields, $data_post);
        }
        $result = curl_exec($ch);
        curl_close($ch);
        return $result;
    }