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PHP微信扫描二维码登录网站代码示例

忧郁之子 1861 0 条

扫描二维码登录对于现在的web应用来说,确实是个很炫酷的功能,安全性也可以保障,不少朋友可能觉得这是个很复杂的工作,其实不然,真正说来只有几个步骤而已。
wxscan.jpg
原理
PC浏览器展示一张二维码图片,该图片二维码值为一段绝对地址的url,大致如下:http://www.example.com/oauth/qrcode?key=key
PC浏览器定期轮询 http://www.example.com/oauth/query,可能有的同学会问,怎么不用带上key?这里我们用session来保存key,所以链接中不用带上key,将这个key作为服务端的缓存key且值为空,如果该缓存值为空,证明没被扫描,继续轮询,如果已经被扫描,展示扫描结果
手机微信扫描之后会直接访问http://www.example.com/oauth/qrcode?key=key,这里我们先把这个key保存的session中(这个session和2中的不同,一个是PC,一个是手机)。然后检测用户在手机端是否登录,如果已登录,则把用户信息存到2中的key缓存中,这时候前端查询的时候就会有值了。如果用户在手机未登录,则直接跳转微信登录,登陆成功之后再将用户信息设置到2中的key缓存
snoopy.class.php

<?php
/*************************************************
Snoopy - the PHP net client
Author: Monte Ohrt <monte@ispi.net>
Copyright (c): 1999-2008 New Digital Group, all rights reserved
Version: 1.2.4
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
You may contact the author of Snoopy by e-mail at:
monte@ohrt.com
The latest version of Snoopy can be obtained from:
http://snoopy.sourceforge.net/
*************************************************/
class Snoopy
{
    /**** Public variables ****/
    /* user definable vars */
    var $host            =    "www.php.net";        // host name we are connecting to
    var $port            =    80;                    // port we are connecting to
    var $proxy_host        =    "";                    // proxy host to use
    var $proxy_port        =    "";                    // proxy port to use
    var $proxy_user        =    "";                    // proxy user to use
    var $proxy_pass        =    "";                    // proxy password to use
    var $agent            =    "Mozilla/5.0";    // agent we masquerade as
    var    $referer        =    "";                    // referer info to pass
    var $cookies        =    array();            // array of cookies to pass
    // $cookies["username"]="joe";
    var    $rawheaders        =    array();            // array of raw headers to send
    // $rawheaders["Content-type"]="text/html";
    var $maxredirs        =    5;                    // http redirection depth maximum. 0 = disallow
    var $lastredirectaddr    =    "";                // contains address of last redirected address
    var    $offsiteok        =    true;                // allows redirection off-site
    var $maxframes        =    0;                    // frame content depth maximum. 0 = disallow
    var $expandlinks    =    true;                // expand links to fully qualified URLs.
    // this only applies to fetchlinks()
    // submitlinks(), and submittext()
    var $passcookies    =    true;                // pass set cookies back through redirects
    // NOTE: this currently does not respect
    // dates, domains or paths.
    var    $user            =    "";                    // user for http authentication
    var    $pass            =    "";                    // password for http authentication
    // http accept types
    var $accept            =    "application/json, text/javascript, */*; q=0.01";
    var $results        =    "";                    // where the content is put
    var $error            =    "";                    // error messages sent here
    var    $response_code    =    "";                    // response code returned from server
    var    $headers        =    array();            // headers returned from server sent here
    var    $maxlength        =    500000;                // max return data length (body)
    var $read_timeout    =    0;                    // timeout on read operations, in seconds
    // supported only since PHP 4 Beta 4
    // set to 0 to disallow timeouts
    var $timed_out        =    false;                // if a read operation timed out
    var    $status            =    0;                    // http request status
    var $temp_dir        =    "/tmp";                // temporary directory that the webserver
    // has permission to write to.
    // under Windows, this should be C:\temp
    var    $curl_path        =    "/usr/local/bin/curl";
    // Snoopy will use cURL for fetching
    // SSL content if a full system path to
    // the cURL binary is supplied here.
    // set to false if you do not have
    // cURL installed. See http://curl.haxx.se
    // for details on installing cURL.
    // Snoopy does *not* use the cURL
    // library functions built into php,
    // as these functions are not stable
    // as of this Snoopy release.
    /**** Private variables ****/
    var    $_maxlinelen    =    4096;                // max line length (headers)
    var $_httpmethod    =    "GET";                // default http request method
    var $_httpversion    =    "HTTP/1.0";            // default http request version
    var $_submit_method    =    "POST";                // default submit method
    var $_submit_type    =    "application/x-www-form-urlencoded";    // default submit type
    var $_mime_boundary    =   "";                    // MIME boundary for multipart/form-data submit type
    var $_redirectaddr    =    false;                // will be set if page fetched is a redirect
    var $_redirectdepth    =    0;                    // increments on an http redirect
    var $_frameurls        =     array();            // frame src urls
    var $_framedepth    =    0;                    // increments on frame depth
    var $_isproxy        =    false;                // set if using a proxy server
    var $_fp_timeout    =    30;                    // timeout for socket connection
    /*======================================================================*\
     Function:    fetch
    Purpose:    fetch the contents of a web page
    (and possibly other protocols in the
            future like ftp, nntp, gopher, etc.)
    Input:        $URI    the location of the page to fetch
    Output:        $this->results    the output text from the fetch
    \*======================================================================*/
    function fetch($URI)
    {
        //preg_match("|^([^:]+)://([^:/]+)(:[\d]+)*(.*)|",$URI,$URI_PARTS);
        $URI_PARTS = parse_url($URI);
        if (!empty($URI_PARTS["user"]))
            $this->user = $URI_PARTS["user"];
        if (!empty($URI_PARTS["pass"]))
            $this->pass = $URI_PARTS["pass"];
        if (empty($URI_PARTS["query"]))
            $URI_PARTS["query"] = '';
        if (empty($URI_PARTS["path"]))
            $URI_PARTS["path"] = '';
        switch(strtolower($URI_PARTS["scheme"]))
        {
            case "http":
                $this->host = $URI_PARTS["host"];
                if(!empty($URI_PARTS["port"]))
                    $this->port = $URI_PARTS["port"];
                if($this->_connect($fp))
                {
                    if($this->_isproxy)
                    {
                        // using proxy, send entire URI
                        $this->_httprequest($URI,$fp,$URI,$this->_httpmethod);
                    }
                    else
                    {
                        $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
                        // no proxy, send only the path
                        $this->_httprequest($path, $fp, $URI, $this->_httpmethod);
                    }

                    $this->_disconnect($fp);
                    if($this->_redirectaddr)
                    {
                        /* url was redirected, check if we've hit the max depth */
                        if($this->maxredirs > $this->_redirectdepth)
                        {
                            // only follow redirect if it's on this site, or offsiteok is true
                            if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
                            {
                                /* follow the redirect */
                                $this->_redirectdepth++;
                                $this->lastredirectaddr=$this->_redirectaddr;
                                $this->fetch($this->_redirectaddr);
                            }
                        }
                    }
                    if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
                    {
                        $frameurls = $this->_frameurls;
                        $this->_frameurls = array();
                        while(list(,$frameurl) = each($frameurls))
                        {
                            if($this->_framedepth < $this->maxframes)
                            {
                                $this->fetch($frameurl);
                                $this->_framedepth++;
                            }
                            else
                                break;
                        }
                    }
                }
                else
                {
                    return false;
                }
                return true;
                break;
            case "https":
                if (!function_exists('curl_init')) {
                    if(!$this->curl_path)
                        return false;
                    if(function_exists("is_executable"))
                        if (!is_executable($this->curl_path))
                        return false;
                }
                $this->host = $URI_PARTS["host"];
                if(!empty($URI_PARTS["port"]))
                    $this->port = $URI_PARTS["port"];
                if($this->_isproxy)
                {
                    // using proxy, send entire URI
                    $this->_httpsrequest($URI,$URI,$this->_httpmethod);
                }
                else
                {
                    $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
                    // no proxy, send only the path
                    $this->_httpsrequest($path, $URI, $this->_httpmethod);
                }
                if($this->_redirectaddr)
                {
                    /* url was redirected, check if we've hit the max depth */
                    if($this->maxredirs > $this->_redirectdepth)
                    {
                        // only follow redirect if it's on this site, or offsiteok is true
                        if(preg_match("|^https://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
                        {
                            /* follow the redirect */
                            $this->_redirectdepth++;
                            $this->lastredirectaddr=$this->_redirectaddr;
                            $this->fetch($this->_redirectaddr);
                        }
                    }
                }
                if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
                {
                    $frameurls = $this->_frameurls;
                    $this->_frameurls = array();
                    while(list(,$frameurl) = each($frameurls))
                    {
                        if($this->_framedepth < $this->maxframes)
                        {
                            $this->fetch($frameurl);
                            $this->_framedepth++;
                        }
                        else
                            break;
                    }
                }
                return true;
                break;
            default:
                // not a valid protocol
                $this->error    =    'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
                return false;
                break;
        }
        return true;
    }
    /*======================================================================*\
     Function:    submit
    Purpose:    submit an http form
    Input:        $URI    the location to post the data
    $formvars    the formvars to use.
    format: $formvars["var"] = "val";
    $formfiles  an array of files to submit
    format: $formfiles["var"] = "/dir/filename.ext";
    Output:        $this->results    the text output from the post
    \*======================================================================*/
    function submit($URI, $formvars="", $formfiles="")
    {
        unset($postdata);
        $postdata = $this->_prepare_post_body($formvars, $formfiles);
        $URI_PARTS = parse_url($URI);
        if (!empty($URI_PARTS["user"]))
            $this->user = $URI_PARTS["user"];
        if (!empty($URI_PARTS["pass"]))
            $this->pass = $URI_PARTS["pass"];
        if (empty($URI_PARTS["query"]))
            $URI_PARTS["query"] = '';
        if (empty($URI_PARTS["path"]))
            $URI_PARTS["path"] = '';
        switch(strtolower($URI_PARTS["scheme"]))
        {
            case "http":
                $this->host = $URI_PARTS["host"];
                if(!empty($URI_PARTS["port"]))
                    $this->port = $URI_PARTS["port"];
                if($this->_connect($fp))
                {
                    if($this->_isproxy)
                    {
                        // using proxy, send entire URI
                        $this->_httprequest($URI,$fp,$URI,$this->_submit_method,$this->_submit_type,$postdata);
                    }
                    else
                    {
                        $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
                        // no proxy, send only the path
                        $this->_httprequest($path, $fp, $URI, $this->_submit_method, $this->_submit_type, $postdata);
                    }

                    $this->_disconnect($fp);
                    if($this->_redirectaddr)
                    {
                        /* url was redirected, check if we've hit the max depth */
                        if($this->maxredirs > $this->_redirectdepth)
                        {
                            if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
                                $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);

                            // only follow redirect if it's on this site, or offsiteok is true
                            if(preg_match("|^http://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
                            {
                                /* follow the redirect */
                                $this->_redirectdepth++;
                                $this->lastredirectaddr=$this->_redirectaddr;
                                if( strpos( $this->_redirectaddr, "?" ) > 0 )
                                    $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
                                else
                                    $this->submit($this->_redirectaddr,$formvars, $formfiles);
                            }
                        }
                    }
                    if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
                    {
                        $frameurls = $this->_frameurls;
                        $this->_frameurls = array();
                        while(list(,$frameurl) = each($frameurls))
                        {
                            if($this->_framedepth < $this->maxframes)
                            {
                                $this->fetch($frameurl);
                                $this->_framedepth++;
                            }
                            else
                                break;
                        }
                    }

                }
                else
                {
                    return false;
                }
                return true;
                break;
            case "https":
                if (!function_exists('curl_init')) {
                if(!$this->curl_path)
                    return false;
                if(function_exists("is_executable"))
                    if (!is_executable($this->curl_path))
                    return false;
                }
                $this->host = $URI_PARTS["host"];
                if(!empty($URI_PARTS["port"]))
                    $this->port = $URI_PARTS["port"];
                if($this->_isproxy)
                {
                    // using proxy, send entire URI
                    $this->_httpsrequest($URI, $URI, $this->_submit_method, $this->_submit_type, $postdata);
                }
                else
                {
                    $path = $URI_PARTS["path"].($URI_PARTS["query"] ? "?".$URI_PARTS["query"] : "");
                    // no proxy, send only the path
                    $this->_httpsrequest($path, $URI, $this->_submit_method, $this->_submit_type, $postdata);
                }
                if($this->_redirectaddr)
                {
                    /* url was redirected, check if we've hit the max depth */
                    if($this->maxredirs > $this->_redirectdepth)
                    {
                        if(!preg_match("|^".$URI_PARTS["scheme"]."://|", $this->_redirectaddr))
                            $this->_redirectaddr = $this->_expandlinks($this->_redirectaddr,$URI_PARTS["scheme"]."://".$URI_PARTS["host"]);
                        // only follow redirect if it's on this site, or offsiteok is true
                        if(preg_match("|^https://".preg_quote($this->host)."|i",$this->_redirectaddr) || $this->offsiteok)
                        {
                            /* follow the redirect */
                            $this->_redirectdepth++;
                            $this->lastredirectaddr=$this->_redirectaddr;
                            if( strpos( $this->_redirectaddr, "?" ) > 0 )
                                $this->fetch($this->_redirectaddr); // the redirect has changed the request method from post to get
                            else
                                $this->submit($this->_redirectaddr,$formvars, $formfiles);
                        }
                    }
                }
                if($this->_framedepth < $this->maxframes && count($this->_frameurls) > 0)
                {
                    $frameurls = $this->_frameurls;
                    $this->_frameurls = array();
                    while(list(,$frameurl) = each($frameurls))
                    {
                        if($this->_framedepth < $this->maxframes)
                        {
                            $this->fetch($frameurl);
                            $this->_framedepth++;
                        }
                        else
                            break;
                    }
                }
                return true;
                break;
            default:
                // not a valid protocol
                $this->error    =    'Invalid protocol "'.$URI_PARTS["scheme"].'"\n';
                return false;
                break;
        }
        return true;
    }
    /*======================================================================*\
     Function:    fetchlinks
    Purpose:    fetch the links from a web page
    Input:        $URI    where you are fetching from
    Output:        $this->results    an array of the URLs
    \*======================================================================*/
    function fetchlinks($URI)
    {
        if ($this->fetch($URI))
        {
            if($this->lastredirectaddr)
                $URI = $this->lastredirectaddr;
            if(is_array($this->results))
            {
                for($x=0;$x<count($this->results);$x++)
                    $this->results[$x] = $this->_striplinks($this->results[$x]);
            }
            else
                $this->results = $this->_striplinks($this->results);
            if($this->expandlinks)
                $this->results = $this->_expandlinks($this->results, $URI);
            return true;
        }
        else
            return false;
    }
    /*======================================================================*\
     Function:    fetchform
    Purpose:    fetch the form elements from a web page
    Input:        $URI    where you are fetching from
    Output:        $this->results    the resulting html form
    \*======================================================================*/
    function fetchform($URI)
    {
        if ($this->fetch($URI))
        {
            if(is_array($this->results))
            {
                for($x=0;$x<count($this->results);$x++)
                    $this->results[$x] = $this->_stripform($this->results[$x]);
            }
            else
                $this->results = $this->_stripform($this->results);

            return true;
        }
        else
            return false;
    }
    /*======================================================================*\
     Function:    fetchtext
    Purpose:    fetch the text from a web page, stripping the links
    Input:        $URI    where you are fetching from
    Output:        $this->results    the text from the web page
    \*======================================================================*/
    function fetchtext($URI)
    {
        if($this->fetch($URI))
        {
            if(is_array($this->results))
            {
                for($x=0;$x<count($this->results);$x++)
                    $this->results[$x] = $this->_striptext($this->results[$x]);
            }
            else
                $this->results = $this->_striptext($this->results);
            return true;
        }
        else
            return false;
    }
    /*======================================================================*\
     Function:    submitlinks
    Purpose:    grab links from a form submission
    Input:        $URI    where you are submitting from
    Output:        $this->results    an array of the links from the post
    \*======================================================================*/
    function submitlinks($URI, $formvars="", $formfiles="")
    {
        if($this->submit($URI,$formvars, $formfiles))
        {
            if($this->lastredirectaddr)
                $URI = $this->lastredirectaddr;
            if(is_array($this->results))
            {
                for($x=0;$x<count($this->results);$x++)
                {
                    $this->results[$x] = $this->_striplinks($this->results[$x]);
                    if($this->expandlinks)
                        $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
                }
            }
            else
            {
                $this->results = $this->_striplinks($this->results);
                if($this->expandlinks)
                    $this->results = $this->_expandlinks($this->results,$URI);
            }
            return true;
        }
        else
            return false;
    }
    /*======================================================================*\
     Function:    submittext
    Purpose:    grab text from a form submission
    Input:        $URI    where you are submitting from
    Output:        $this->results    the text from the web page
    \*======================================================================*/
    function submittext($URI, $formvars = "", $formfiles = "")
    {
        if($this->submit($URI,$formvars, $formfiles))
        {
            if($this->lastredirectaddr)
                $URI = $this->lastredirectaddr;
            if(is_array($this->results))
            {
                for($x=0;$x<count($this->results);$x++)
                {
                    $this->results[$x] = $this->_striptext($this->results[$x]);
                    if($this->expandlinks)
                        $this->results[$x] = $this->_expandlinks($this->results[$x],$URI);
                }
            }
            else
            {
                $this->results = $this->_striptext($this->results);
                if($this->expandlinks)
                    $this->results = $this->_expandlinks($this->results,$URI);
            }
            return true;
        }
        else
            return false;
    }
    /*======================================================================*\
     Function:    set_submit_multipart
    Purpose:    Set the form submission content type to
    multipart/form-data
    \*======================================================================*/
    function set_submit_multipart()
    {
        $this->_submit_type = "multipart/form-data";
    }
    /*======================================================================*\
     Function:    set_submit_normal
    Purpose:    Set the form submission content type to
    application/x-www-form-urlencoded
    \*======================================================================*/
    function set_submit_normal()
    {
        $this->_submit_type = "application/x-www-form-urlencoded";
    }
    /*======================================================================*\
     Private functions
    \*======================================================================*/
    /*======================================================================*\
     Function:    _striplinks
    Purpose:    strip the hyperlinks from an html document
    Input:        $document    document to strip.
    Output:        $match        an array of the links
    \*======================================================================*/
    function _striplinks($document)
    {
        preg_match_all("'<\s*a\s.*?href\s*=\s*            # find <a href=
                        ([\"\'])?                    # find single or double quote
                        (?(1) (.*?)\\1 | ([^\s\>]+))        # if quote found, match up to next matching
                                                    # quote, otherwise match up to next space
                        'isx",$document,$links);
        // catenate the non-empty matches from the conditional subpattern
        while(list($key,$val) = each($links[2]))
        {
            if(!empty($val))
                $match[] = $val;
        }
        while(list($key,$val) = each($links[3]))
        {
            if(!empty($val))
                $match[] = $val;
        }
        // return the links
        return $match;
    }
    /*======================================================================*\
     Function:    _stripform
    Purpose:    strip the form elements from an html document
    Input:        $document    document to strip.
    Output:        $match        an array of the links
    \*======================================================================*/
    function _stripform($document)
    {
        preg_match_all("'<\/?(FORM|INPUT|SELECT|TEXTAREA|(OPTION))[^<>]*>(?(2)(.*(?=<\/?(option|select)[^<>]*>[\r\n]*)|(?=[\r\n]*))|(?=[\r\n]*))'Usi",$document,$elements);
        // catenate the matches
        $match = implode("\r\n",$elements[0]);
        // return the links
        return $match;
    }
    /*======================================================================*\
     Function:    _striptext
    Purpose:    strip the text from an html document
    Input:        $document    document to strip.
    Output:        $text        the resulting text
    \*======================================================================*/
    function _striptext($document)
    {
        // I didn't use preg eval (//e) since that is only available in PHP 4.0.
        // so, list your entities one by one here. I included some of the
        // more common ones.
        $search = array("'<script[^>]*?>.*?</script>'si",    // strip out javascript
                "'<[\/\!]*?[^<>]*?>'si",            // strip out html tags
                "'([\r\n])[\s]+'",                    // strip out white space
                "'&(quot|#34|#034|#x22);'i",        // replace html entities
                "'&(amp|#38|#038|#x26);'i",            // added hexadecimal values
                "'&(lt|#60|#060|#x3c);'i",
                "'&(gt|#62|#062|#x3e);'i",
                "'&(nbsp|#160|#xa0);'i",
                "'&(iexcl|#161);'i",
                "'&(cent|#162);'i",
                "'&(pound|#163);'i",
                "'&(copy|#169);'i",
                "'&(reg|#174);'i",
                "'&(deg|#176);'i",
                "'&(#39|#039|#x27);'",
                "'&(euro|#8364);'i",                // europe
                "'&a(uml|UML);'",                    // german
                "'&o(uml|UML);'",
                "'&u(uml|UML);'",
                "'&A(uml|UML);'",
                "'&O(uml|UML);'",
                "'&U(uml|UML);'",
                "'&szlig;'i",
        );
        $replace = array(    "",
                "",
                "\\1",
                "\"",
                "&",
                "<",
                ">",
                " ",
                chr(161),
                chr(162),
                chr(163),
                chr(169),
                chr(174),
                chr(176),
                chr(39),
                chr(128),
                "�",
                "�",
                "�",
                "�",
                "�",
                "�",
                "�",
        );

        $text = preg_replace($search,$replace,$document);
        return $text;
    }
    /*======================================================================*\
     Function:    _expandlinks
    Purpose:    expand each link into a fully qualified URL
    Input:        $links            the links to qualify
    $URI            the full URI to get the base from
    Output:        $expandedLinks    the expanded links
    \*======================================================================*/
    function _expandlinks($links,$URI)
    {
        preg_match("/^[^\?]+/",$URI,$match);
        $match = preg_replace("|/[^\/\.]+\.[^\/\.]+$|","",$match[0]);
        $match = preg_replace("|/$|","",$match);
        $match_part = parse_url($match);
        $match_root =
        $match_part["scheme"]."://".$match_part["host"];
        $search = array(     "|^http://".preg_quote($this->host)."|i",
                "|^(\/)|i",
                "|^(?!http://)(?!mailto:)|i",
                "|/\./|",
                "|/[^\/]+/\.\./|"
        );
        $replace = array(    "",
                $match_root."/",
                $match."/",
                "/",
                "/"
        );
        $expandedLinks = preg_replace($search,$replace,$links);
        return $expandedLinks;
    }
    /*======================================================================*\
     Function:    _httprequest
    Purpose:    go get the http data from the server
    Input:        $url        the url to fetch
    $fp            the current open file pointer
    $URI        the full URI
    $body        body contents to send if any (POST)
    Output:
    \*======================================================================*/
    function _httprequest($url,$fp,$URI,$http_method,$content_type="",$body="")
    {
        $cookie_headers = '';
        if($this->passcookies && $this->_redirectaddr)
            $this->setcookies();

        $URI_PARTS = parse_url($URI);
        if(empty($url))
            $url = "/";
        $headers = $http_method." ".$url." ".$this->_httpversion."\r\n";
        if(!empty($this->agent))
            $headers .= "User-Agent: ".$this->agent."\r\n";
        if(!empty($this->host) && !isset($this->rawheaders['Host'])) {
            $headers .= "Host: ".$this->host;
            if(!empty($this->port) && $this->port!=80)
                $headers .= ":".$this->port;
            $headers .= "\r\n";
        }
        if(!empty($this->accept))
            $headers .= "Accept: ".$this->accept."\r\n";
        if(!empty($this->referer))
            $headers .= "Referer: ".$this->referer."\r\n";
        if(!empty($this->cookies))
        {
            if(!is_array($this->cookies))
                $this->cookies = (array)$this->cookies;
            reset($this->cookies);
            if ( count($this->cookies) > 0 ) {
                $cookie_headers .= 'Cookie: ';
                foreach ( $this->cookies as $cookieKey => $cookieVal ) {
                    $cookie_headers .= $cookieKey."=".urlencode($cookieVal)."; ";
                }
                $headers .= substr($cookie_headers,0,-2) . "\r\n";
            }
        }
        if(!empty($this->rawheaders))
        {
            if(!is_array($this->rawheaders))
                $this->rawheaders = (array)$this->rawheaders;
            while(list($headerKey,$headerVal) = each($this->rawheaders))
                $headers .= $headerKey.": ".$headerVal."\r\n";
        }
        if(!empty($content_type)) {
            $headers .= "Content-type: $content_type";
            if ($content_type == "multipart/form-data")
                $headers .= "; boundary=".$this->_mime_boundary;
            $headers .= "\r\n";
        }
        if(!empty($body))
            $headers .= "Content-length: ".strlen($body)."\r\n";
        if(!empty($this->user) || !empty($this->pass))
            $headers .= "Authorization: Basic ".base64_encode($this->user.":".$this->pass)."\r\n";
        //add proxy auth headers
        if(!empty($this->proxy_user))
            $headers .= 'Proxy-Authorization: ' . 'Basic ' . base64_encode($this->proxy_user . ':' . $this->proxy_pass)."\r\n";
        $headers .= "\r\n";
        // set the read timeout if needed
        if ($this->read_timeout > 0)
            socket_set_timeout($fp, $this->read_timeout);
        $this->timed_out = false;
        fwrite($fp,$headers.$body,strlen($headers.$body));
        $this->_redirectaddr = false;
        unset($this->headers);
        while($currentHeader = fgets($fp,$this->_maxlinelen))
        {
            if ($this->read_timeout > 0 && $this->_check_timeout($fp))
            {
                $this->status=-100;
                return false;
            }
            if($currentHeader == "\r\n")
                break;
            // if a header begins with Location: or URI:, set the redirect
            if(preg_match("/^(Location:|URI:)/i",$currentHeader))
            {
                // get URL portion of the redirect
                preg_match("/^(Location:|URI:)[ ]+(.*)/i",chop($currentHeader),$matches);
                // look for :// in the Location header to see if hostname is included
                if (!empty($matches)) {
                    if(!preg_match("|\:\/\/|",$matches[2]))
                    {
                        // no host in the path, so prepend
                        $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host.":".$this->port;
                        // eliminate double slash
                        if(!preg_match("|^/|",$matches[2]))
                            $this->_redirectaddr .= "/".$matches[2];
                        else
                            $this->_redirectaddr .= $matches[2];
                    }
                    else
                        $this->_redirectaddr = $matches[2];
                }
            }
            if(preg_match("|^HTTP/|",$currentHeader))
            {
                if(preg_match("|^HTTP/[^\s]*\s(.*?)\s|",$currentHeader, $status))
                {
                    $this->status= $status[1];
                }
                $this->response_code = $currentHeader;
            }
            $this->headers[] = $currentHeader;
        }
        $results = '';
        do {
            $_data = fread($fp, $this->maxlength);
            if (strlen($_data) == 0) {
                break;
            }
            $results .= $_data;
        } while(true);
        if ($this->read_timeout > 0 && $this->_check_timeout($fp))
        {
            $this->status=-100;
            return false;
        }
        // check if there is a a redirect meta tag
        if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
        {
            $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
        }
        // have we hit our frame depth and is there frame src to fetch?
        if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
        {
            $this->results[] = $results;
            for($x=0; $x<count($match[1]); $x++)
                $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
        }
        // have we already fetched framed content?
        elseif(is_array($this->results))
        $this->results[] = $results;
        // no framed content
        else
            $this->results = $results;
        return true;
    }
    /*======================================================================*\
     Function:    _httpsrequest
    Purpose:    go get the https data from the server using curl
    Input:        $url        the url to fetch
    $URI        the full URI
    $body        body contents to send if any (POST)
    Output:
    \*======================================================================*/
    function _httpsrequest($url,$URI,$http_method,$content_type="",$body="")
    {
        if($this->passcookies && $this->_redirectaddr)
            $this->setcookies();
        $headers = array();

        $URI_PARTS = parse_url($URI);
        if(empty($url))
            $url = "/";
        // GET ... header not needed for curl
        //$headers[] = $http_method." ".$url." ".$this->_httpversion;
        if(!empty($this->agent))
            $headers[] = "User-Agent: ".$this->agent;
        if(!empty($this->host))
            if(!empty($this->port) && $this->port!=80)
            $headers[] = "Host: ".$this->host.":".$this->port;
        else
            $headers[] = "Host: ".$this->host;
        if(!empty($this->accept))
            $headers[] = "Accept: ".$this->accept;
        if(!empty($this->referer))
            $headers[] = "Referer: ".$this->referer;
        if(!empty($this->cookies))
        {
            if(!is_array($this->cookies))
                $this->cookies = (array)$this->cookies;
            reset($this->cookies);
            if ( count($this->cookies) > 0 ) {
                $cookie_str = 'Cookie: ';
                foreach ( $this->cookies as $cookieKey => $cookieVal ) {
                    $cookie_str .= $cookieKey."=".urlencode($cookieVal)."; ";
                }
                $headers[] = substr($cookie_str,0,-2);
            }
        }
        if(!empty($this->rawheaders))
        {
            if(!is_array($this->rawheaders))
                $this->rawheaders = (array)$this->rawheaders;
            while(list($headerKey,$headerVal) = each($this->rawheaders))
                $headers[] = $headerKey.": ".$headerVal;
        }
        if(!empty($content_type)) {
            if ($content_type == "multipart/form-data")
                $headers[] = "Content-type: $content_type; boundary=".$this->_mime_boundary;
            else
                $headers[] = "Content-type: $content_type";
        }
        if(!empty($body))
            $headers[] = "Content-length: ".strlen($body);
        if(!empty($this->user) || !empty($this->pass))
            $headers[] = "Authorization: BASIC ".base64_encode($this->user.":".$this->pass);
        if (function_exists('curl_init')) {
            $ch = curl_init();
            curl_setopt($ch, CURLOPT_URL, $URI);
            curl_setopt($ch, CURLOPT_HEADER, true); 
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
            curl_setopt($ch, CURLOPT_SSLVERSION,3); 
            curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
            curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); 
            curl_setopt($ch, CURLOPT_TIMEOUT, $this->read_timeout);
            if(!empty($body)) {
                curl_setopt($ch, CURLOPT_POST, true);
                curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
            }
            $data = curl_exec($ch);
            if ($data === false) {
                $this->error = "Error: Curl error  ".curl_error($ch);
                    return false;
            }
            $parts = explode("\r\n\r\n",$data,2);
            $result_headers = explode("\r\n",$parts[0]);
            $results = $parts[1];
            unset($parts);
        } else {
                for($curr_header = 0; $curr_header < count($headers); $curr_header++) {
                    $safer_header = strtr( $headers[$curr_header], "\"", " " );
                    $cmdline_params .= " -H \"".$safer_header."\"";
                }

                if(!empty($body))
                    $cmdline_params .= " -d \"$body\"";

                if($this->read_timeout > 0)
                    $cmdline_params .= " -m ".$this->read_timeout;

                $headerfile = tempnam($temp_dir, "sno");

                exec($this->curl_path." -k -D \"$headerfile\"".$cmdline_params." \"".escapeshellcmd($URI)."\"",$results,$return);

                if($return)
                {
                    $this->error = "Error: cURL could not retrieve the document, error $return.";
                    return false;
                }

            $results = implode("\r\n",$results);

            $result_headers = file("$headerfile");
        }
        $this->_redirectaddr = false;
        unset($this->headers);
        for($currentHeader = 0; $currentHeader < count($result_headers); $currentHeader++)
        {

            // if a header begins with Location: or URI:, set the redirect
            if(preg_match("/^(Location: |URI: )/i",$result_headers[$currentHeader]))
            {
                // get URL portion of the redirect
                preg_match("/^(Location: |URI:)\s+(.*)/",chop($result_headers[$currentHeader]),$matches);
                // look for :// in the Location header to see if hostname is included
                if (!empty($matches)) {
                    if(!preg_match("|\:\/\/|",$matches[2]))
                    {
                        // no host in the path, so prepend
                        $this->_redirectaddr = $URI_PARTS["scheme"]."://".$this->host;
                        // eliminate double slash
                        if(!preg_match("|^/|",$matches[2]))
                            $this->_redirectaddr .= "/".$matches[2];
                        else
                            $this->_redirectaddr .= $matches[2];
                    }
                    else
                        $this->_redirectaddr = $matches[2];
                }
            }
            if(preg_match("|^HTTP/|",$result_headers[$currentHeader]))
                $this->response_code = $result_headers[$currentHeader];
            $this->headers[] = $result_headers[$currentHeader];
        }
        // check if there is a a redirect meta tag
        if(preg_match("'<meta[\s]*http-equiv[^>]*?content[\s]*=[\s]*[\"\']?\d+;[\s]*URL[\s]*=[\s]*([^\"\']*?)[\"\']?>'i",$results,$match))
        {
            $this->_redirectaddr = $this->_expandlinks($match[1],$URI);
        }
        // have we hit our frame depth and is there frame src to fetch?
        if(($this->_framedepth < $this->maxframes) && preg_match_all("'<frame\s+.*src[\s]*=[\'\"]?([^\'\"\>]+)'i",$results,$match))
        {
            $this->results[] = $results;
            for($x=0; $x<count($match[1]); $x++)
                $this->_frameurls[] = $this->_expandlinks($match[1][$x],$URI_PARTS["scheme"]."://".$this->host);
        }
        // have we already fetched framed content?
        elseif(is_array($this->results))
            $this->results[] = $results;
        // no framed content
        else
            $this->results = $results;
        if (isset($headerfile) && file_exists($headerfile))
            unlink($headerfile);
        return true;
    }
    /*======================================================================*\
     Function:    setcookies()
    Purpose:    set cookies for a redirection
    \*======================================================================*/
    function setcookies()
    {
        for($x=0; $x<count($this->headers); $x++)
        {
            if(preg_match('/^set-cookie:[\s]+([^=]+)=([^;]+)/i', $this->headers[$x],$match))
                $this->cookies[$match[1]] = urldecode($match[2]);
        }
    }
    /*======================================================================*\
     Function:    _check_timeout
    Purpose:    checks whether timeout has occurred
    Input:        $fp    file pointer
    \*======================================================================*/
    function _check_timeout($fp)
    {
        if ($this->read_timeout > 0) {
            $fp_status = socket_get_status($fp);
            if ($fp_status["timed_out"]) {
                $this->timed_out = true;
                return true;
            }
        }
        return false;
    }
    /*======================================================================*\
     Function:    _connect
    Purpose:    make a socket connection
    Input:        $fp    file pointer
    \*======================================================================*/
    function _connect(&$fp)
    {
        if(!empty($this->proxy_host) && !empty($this->proxy_port))
        {
            $this->_isproxy = true;
            $host = $this->proxy_host;
            $port = $this->proxy_port;
        }
        else
        {
            $host = $this->host;
            $port = $this->port;
        }
        $this->status = 0;
        if($fp = fsockopen(
                $host,
                $port,
                $errno,
                $errstr,
                $this->_fp_timeout
        ))
        {
            // socket connection succeeded
            return true;
        }
        else
        {
            // socket connection failed
            $this->status = $errno;
            switch($errno)
            {
                case -3:
                    $this->error="socket creation failed (-3)";
                case -4:
                    $this->error="dns lookup failure (-4)";
                case -5:
                    $this->error="connection refused or timed out (-5)";
                default:
                    $this->error="connection failed (".$errno.")";
            }
            return false;
        }
    }
    /*======================================================================*\
     Function:    _disconnect
    Purpose:    disconnect a socket connection
    Input:        $fp    file pointer
    \*======================================================================*/
    function _disconnect($fp)
    {
        return(fclose($fp));
    }
    /*======================================================================*\
     Function:    _prepare_post_body
    Purpose:    Prepare post body according to encoding type
    Input:        $formvars  - form variables
    $formfiles - form upload files
    Output:        post body
    \*======================================================================*/
    function _prepare_post_body($formvars, $formfiles)
    {
        settype($formvars, "array");
        settype($formfiles, "array");
        $postdata = '';
        if (count($formvars) == 0 && count($formfiles) == 0)
            return;
        if (is_string($formvars)) return $formvars;
        if((count($formvars) == 1) && isset($formvars[0])) return $formvars[0];
        switch ($this->_submit_type) {
            case "application/x-www-form-urlencoded":
                reset($formvars);
                while(list($key,$val) = each($formvars)) {
                    if (is_array($val) || is_object($val)) {
                        while (list($cur_key, $cur_val) = each($val)) {
                            $postdata .= urlencode($key)."[]=".urlencode($cur_val)."&";
                        }
                    } else
                        $postdata .= urlencode($key)."=".urlencode($val)."&";
                }
                break;
            case "multipart/form-data":
                $this->_mime_boundary = "--------".md5(uniqid(microtime()));
                reset($formvars);
                while(list($key,$val) = each($formvars)) {
                    if (is_array($val) || is_object($val)) {
                        while (list($cur_key, $cur_val) = each($val)) {
                            $postdata .= "--".$this->_mime_boundary."\r\n";
                            $postdata .= "Content-Disposition: form-data; name=\"$key\[\]\"\r\n\r\n";
                            $postdata .= "$cur_val\r\n";
                        }
                    } else {
                        $postdata .= "--".$this->_mime_boundary."\r\n";
                        $postdata .= "Content-Disposition: form-data; name=\"$key\"\r\n\r\n";
                        $postdata .= "$val\r\n";
                    }
                }
                reset($formfiles);
                while (list($field_name, $file_names) = each($formfiles)) {
                    settype($file_names, "array");
                    while (list(, $file_name) = each($file_names)) {
                        $file_content = file_get_contents($file_name);
                        if (!$file_content) continue;
                        $base_name = basename($file_name);
                        $postdata .= "--".$this->_mime_boundary."\r\n";
                        $postdata .= "Content-Disposition: form-data; name=\"$field_name\"; filename=\"$base_name\"\r\nContent-Type: image/jpeg\r\n\r\n";
                        $postdata .= "$file_content\r\n";
                    }
                }
                $postdata .= "--".$this->_mime_boundary."--\r\n";
                break;
        }
        return $postdata;
    }
}

请先下载 snoopy 类

<?php
 /**
  *  微信公众平台PHP-SDK
  *  Wechatauth为非官方微信登陆API
  *  用户通过扫描网页提供的二维码实现登陆信息获取
 *  主要实现如下功能:
  *  get_login_code() 获取登陆授权码, 通过授权码才能获取二维码
 *  get_code_image($code='') 将上面获取的授权码转换为图片二维码
 *  verify_code() 鉴定是否登陆成功,返回200为最终授权成功.
  *  get_login_cookie() 鉴定成功后调用此方法即可获取用户基本信息
 *  sendNews($account,$title,$summary,$content,$pic,$srcurl='') 向一个微信账户发送图文信息
 *  get_avatar($url) 获取用户头像图片数据
 *  @author dodge <dodgepudding@gmail.com>
  *  @link https://github.com/dodgepudding/wechat-php-sdk
  *  @version 1.1
  *  
  */
 include "snoopy.class.php";
 class Wechatauth
 {
         private $cookie;
         private $_cookiename;
         private $_cookieexpired = 3600;
         private $_account = 'test';
         private $_datapath = './data/cookie_';
         private $debug;
         private $_logcallback;
         public $login_user; //当前登陆用户, 调用get_login_info后获取

         public function __construct($options)
         {
                 $this->_account = isset($options['account'])?$options['account']:'';
                 $this->_datapath = isset($options['datapath'])?$options['datapath']:$this->_datapath;
                 $this->debug = isset($options['debug'])?$options['debug']:false;
                 $this->_logcallback = isset($options['logcallback'])?$options['logcallback']:false;
                 $this->_cookiename = $this->_datapath.$this->_account;
                 $this->getCookie($this->_cookiename);
         }
         /**
          * 把cookie写入缓存
         * @param  string $filename 缓存文件名
         * @param  string $content  文件内容
         * @return bool
          */
         public function saveCookie($filename,$content){
                 return file_put_contents($filename,$content);
         }

        /**
          * 读取cookie缓存内容
         * @param  string $filename 缓存文件名
         * @return string cookie
          */
         public function getCookie($filename){
                 if (file_exists($filename)) {
                         $mtime = filemtime($filename);
                         if ($mtime<time()-$this->_cookieexpired) return false;
                         $data = file_get_contents($filename);
                         if ($data) $this->cookie = $data;
                 } 
                 return $this->cookie;
         }

         /*
          * 删除cookie
          */
         public function deleteCookie($filename) {
                 $this->cookie = '';
                 @unlink($filename);
                 return true;
         }

         private function log($log){
                 if ($this->debug && function_exists($this->_logcallback)) {
                         if (is_array($log)) $log = print_r($log,true);
                         return call_user_func($this->_logcallback,$log);
                 }
         }

         /**
          * 获取登陆二维码对应的授权码
         */
         public function get_login_code(){
                 if ($this->_logincode) return $this->_logincode;
                 $t = time().strval(mt_rand(100,999));
                 $codeurl = 'https://login.weixin.qq.com/jslogin?appid=wx782c26e4c19acffb&redirect_uri=https%3A%2F%2Fwx.qq.com%2Fcgi-bin%2Fmmwebwx-bin%2Fwebwxnewloginpage&fun=new&lang=zh_CN&_='.$t;
                 $send_snoopy = new Snoopy; 
                 $send_snoopy->fetch($codeurl);
                 $result = $send_snoopy->results;
                 if ($result) {
                         preg_match("/window.QRLogin.uuid\s+=\s+\"([^\"]+)\"/",$result,$matches);
                         if(count($matches)>1) {
                                 $this->_logincode = $matches[1];
                                 $_SESSION['login_step'] = 0;
                                 return $this->_logincode;
                         }
                 }
                 return $result;
         }

        /**
          * 通过授权码获取对应的二维码图片地址
         * @param string $code
          * @return string image url
          */
         public function get_code_image($code=''){
                 if ($code=='') $code = $this->_logincode;
                 if (!$code) return false;
                 return 'http://login.weixin.qq.com/qrcode/'.$this->_logincode.'?t=webwx';
         }

         /**
          * 设置二维码对应的授权码
         * @param string $code
          * @return class $this
          */
         public  function set_login_code($code) {
                 $this->_logincode = $code;
                 return $this;
         }

         /**
          * 二维码登陆验证
         *
          * @return status:
          * >=400: invaild code; 408: not auth and wait, 400,401: not valid or expired
          * 201: just scaned but not confirm
          * 200: confirm then you can get user info
          */
         public function verify_code() {
                 if (!$this->_logincode) return false;
                 $t = time().strval(mt_rand(100,999));

                        $url = 'https://login.weixin.qq.com/cgi-bin/mmwebwx-bin/login?uuid='.$this->_logincode.'&tip=1&_='.$t;
                         $send_snoopy = new Snoopy; 
                         $send_snoopy->referer = "https://wx.qq.com/";
                         $send_snoopy->fetch($url);
                         $result = $send_snoopy->results;
                         $this->log('step1:'.$result);
                         if ($result) {
                                 preg_match("/window\.code=(\d+)/",$result,$matches);
                                 if(count($matches)>1) {
                                         $status = intval($matches[1]);
                                         if ($status==201) $_SESSION['login_step'] = 1;
                                         if ($status==200) {
                                                 preg_match("/ticket=([0-9a-z-_]+)&lang=zh_CN&scan=(\d+)/",$result,$matches);
                                                 $this->log('step2:'.print_r($matches,true));
                                                 if (count($matches)>1) {
                                                         $ticket = $matches[1];
                                                         $scan = $matches[2];
                                                         $loginurl = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxnewloginpage?ticket='.$ticket.'&lang=zh_CN&scan='.$scan.'&fun=new';
                                                         $send_snoopy = new Snoopy; 
                                                         $send_snoopy->referer = "https://wx.qq.com/";
                                                         $send_snoopy->fetch($loginurl);
                                                         $this->log('step3:'.print_r($send_snoopy->headers,true));
                                                         foreach ($send_snoopy->headers as $key => $value) {
                                                                 $value = trim($value);
                                                                 if(strpos($value,'Set-Cookie: ') !== false){
                                                                         $tmp = str_replace("Set-Cookie: ","",$value);
                                                                         $tmp = str_replace("Path=/","",$tmp);
                                                                         $tmp = str_replace("Domain=.qq.com; ","",$tmp);
                                                                         $cookie.=$tmp;
                                                                 }
                                                         }
                                                         $cookie .="Domain=.qq.com;";
                                                         $this->cookie = $cookie;
                                                         $this->saveCookie($this->_cookiename,$this->cookie);
                                                 }
                                         }
                                         return $status;
                                 }
                         }
                 return false;
         }

         /**
          * 获取登陆的cookie
          *
          * @param bool $is_array 是否以数值方式返回,默认否,返回字符串
         * @return string|array
          */
         public function get_login_cookie($is_array = false){
                 if (!$is_array)        return $this->cookie;
                 $c_arr = explode(';',$this->cookie);
                 $cookie = array();
                 foreach($c_arr as $item) {
                         $kitem = explode('=',trim($item));
                         if (count($kitem)>1) {
                                 $key = trim($kitem[0]);
                                 $val = trim($kitem[1]);
                                 if (!empty($val)) $cookie[$key] = $val;
                         }
                 }
                 return $cookie;
         }

         /**
          *          授权登陆后获取用户登陆信息
         */
         public function get_login_info(){
                 if (!$this->cookie) return false;
                 $t = time().strval(mt_rand(100,999));
                 $send_snoopy = new Snoopy; 
                 $submit = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxinit?r='.$t;
                 $send_snoopy->rawheaders['Cookie']= $this->cookie;
                 $send_snoopy->referer = "https://wx.qq.com/";
                 $send_snoopy->submit($submit,array());
                 $this->log('login_info:'.$send_snoopy->results);
                 $result = json_decode($send_snoopy->results,true);
                 if ($result['BaseResponse']['Ret']<0) return false;
                 $this->_login_user = $result['User'];
                 return $result;
         }

         /**
          *  获取头像
         *  @param string $url 传入从用户信息接口获取到的头像地址
         */
         public function get_avatar($url) {
                 if (!$this->cookie) return false;
                 if (strpos($url, 'http')===false) {
                         $url = 'http://wx.qq.com'.$url;
                 }
                 $send_snoopy = new Snoopy; 
                 $send_snoopy->rawheaders['Cookie']= $this->cookie;
                 $send_snoopy->referer = "https://wx.qq.com/";
                 $send_snoopy->fetch($url);
                 $result = $send_snoopy->results;
                 if ($result) 
                         return $result;
                 else
                         return false;
         }

         /**
          * 登出当前登陆用户
         */
         public function logout(){
                 if (!$this->cookie) return false;
                 preg_match("/wxuin=(\w+);/",$this->cookie,$matches);
                 if (count($matches)>1) $uid = $matches[1];
                 preg_match("/wxsid=(\w+);/",$this->cookie,$matches);
                 if (count($matches)>1) $sid = $matches[1];
                 $this->log('logout: uid='.$uid.';sid='.$sid);
                 $send_snoopy = new Snoopy; 
                 $submit = 'https://wx.qq.com/cgi-bin/mmwebwx-bin/webwxlogout?redirect=1&type=1';
                 $send_snoopy->rawheaders['Cookie']= $this->cookie;
                 $send_snoopy->referer = "https://wx.qq.com/";
                 $send_snoopy->submit($submit,array('uin'=>$uid,'sid'=>$sid));
                 $this->deleteCookie($this->_cookiename);
                 return true;
         }
 }
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