PHP实现登陆并抓取微信列表中最新一组微信消息的方法

<?php
$_g['wx_g'] = array('init' => array(
        "wx_content" => array("weixin_user" => "微信号码", "weixin_pass" => "微信密码")
      )
);
wx_login();
$messge_list = get_message_list();
$file_id=$messge_list['item'][0]['multi_item'][0]['file_id'];
//print_r($messge_list);exit;
if(!db::result_first("select count(weiyi_id) from test.yangang_jiaojing where weiyi_id={$file_id} ")){
  db::query("delete from test.yangang_jiaojing");
  foreach ($messge_list['item'][0]['multi_item'] as $key => $val){
      $val['title']=mb_convert_encoding($val['title'], 'gbk','utf-8');
      $val['weiyi_id']=mb_convert_encoding($val['file_id'], 'gbk','utf-8');
      $val['des']=mb_convert_encoding($val['digest'], 'gbk','utf-8');
      $val['picurl']=$val['cover'];
      $val['detail']=$val['content_url'];
      $query_cheng = "insert into test.yangang_jiaojing(weiyi_id,title,pic_url,detail_url,des)values ({$val['weiyi_id']},'{$val['title']}','{$val['picurl']}','{$val['detail']}','{$val['des']}')";
      $count1=db::query($query_cheng);
  }
}
function get_message_list(){
  global $_g;
  $cookie=$_g['wx_g']['cookie'];
  $url = "https://mp.weixin.qq.com/cgi-bin/appmsg?begin=0&count=2&t=media/appmsg_list&type=10&action=list&token=".$_g['wx_g']['token']."&lang=zh_cn";
  $ch = curl_init();
  curl_setopt($ch, curlopt_url, $url);
  curl_setopt($ch, curlopt_returntransfer, 1);
  curl_setopt($ch, curlopt_cookie, $cookie);
  curl_setopt($ch, curlopt_referer, "https://mp.weixin.qq.com/cgi-bin/appmsg?begin=0&count=2&t=media/appmsg_list&type=10&action=list&token=".$_g['wx_g']['token']."&lang=zh_cn");
  curl_setopt($ch, curlopt_useragent, "mozilla/5.0 (windows nt 6.1; rv:18.0) gecko/20100101 firefox/18.0");
  curl_setopt($ch, curlopt_followlocation,true);
  curl_setopt($ch, curlopt_ssl_verifypeer, false);
  curl_setopt($ch, curlopt_ssl_verifyhost, false);
  curl_setopt($ch, curlopt_sslversion, 3);
  $output2 = curl_exec($ch);
  curl_close($ch);
  //echo $output2;exit;
  $output1=explode('wx.cgidata = ',$output2);
  $output1=$output1[1];
  $output1=explode(',"file_cnt":',$output1);
  $output1=$output1[0];
  $output1.='}';
  $message_list=json_decode($output1,true);
  //$message_list=mb_convert_encoding($message_list, "gbk","utf-8");
  //print_r($message_list);exit;
  return $message_list;
}
function wx_login(){
  global $_g;
  //echo $_g['wx_g']['init']['wx_content']['weixin_user'];exit;
  $username = $_g['wx_g']['init']['wx_content']['weixin_user'];
  $pwd = md5($_g['wx_g']['init']['wx_content']['weixin_pass']);
  $url = "https://mp.weixin.qq.com/cgi-bin/login?lang=zh_cn";
  $post_data = "username=".$username."&pwd=".$pwd."&imgcode=&f=json";
  $cookie = "pgv_pvid=2067516646";
  $ch = curl_init();
  curl_setopt($ch, curlopt_url, $url);
  curl_setopt($ch, curlopt_header, 1);
  curl_setopt($ch, curlopt_returntransfer, 1);
  curl_setopt($ch, curlopt_post, 1);
  curl_setopt($ch, curlopt_postfields, $post_data);
  curl_setopt($ch, curlopt_cookie, $cookie);
  curl_setopt($ch, curlopt_referer, "https://mp.weixin.qq.com/cgi-bin/loginpage?t=wxm2-login&lang=zh_cn");
  curl_setopt($ch, curlopt_useragent, "mozilla/5.0 (windows nt 6.1; rv:18.0) gecko/20100101 firefox/18.0");
  curl_setopt($ch, curlopt_followlocation,true);
  curl_setopt($ch, curlopt_ssl_verifypeer, false);
  curl_setopt($ch, curlopt_ssl_verifyhost, false);
  curl_setopt($ch, curlopt_sslversion, 3);
  $output = curl_exec($ch);
  curl_close($ch);
  //echo $output;exit;
  list($header, $body) = explode("\r\n\r\n", $output);
  preg_match_all("/set\-cookie:([^\r\n]*)/i", $header, $matches);
  if(!empty($matches[1][2])){
    $cookie = $matches[1][0].$matches[1][1].$matches[1][2].$matches[1][3];
  }else{
    $cookie = $matches[1][0].$matches[1][1];
  }
  $cookie = str_replace(array('path=/',' ; secure; httponly','=;'),array('','','='), $cookie);
  $cookie = 'pgv_pvid=6648492946;'.$cookie;
  $data = json_decode($body,true);
  $result = explode('token=',$data['redirect_url']);
  $token = $result[1];
  if(!$token) cpmsg($installlang['import_error_password'], "{$request_url}&step=import&pswerror=1", 'error');
  //写入到全局变量
  $_g['wx_g']['cookie'] = $cookie;
  $_g['wx_g']['token'] = $token;
}
?>

create table if not exists `yangang_jiaojing` (
 `id` int(11) not null auto_increment,
 `title` varchar(100) not null,
 `des` varchar(300) not null,
 `detail_url` varchar(300) not null,
 `pic_url` varchar(300) not null,
 `note` varchar(50) not null,
 `weiyi_id` int(11) not null,
 primary key (`id`)
) engine=myisam default charset=gbk auto_increment=1 ;