PHP模拟POST表单提交(支持HTTP、HTTPS)实例

<?php
//以论坛登录为例
function bbslogin($user_login, $password, $host, $port = "80") {
 //需要提交的post数据
 $argv = array('cookie' => array('user_login' => $user_login, 'password' => $password, '_wp_http_referer' => '/bbpress/', 're' => '', 'remember' => true));
 foreach ($argv['cookie'] as $key => $value) {
  $params[] = $key . '=' . $value;
 }
 $params = implode('&', $params);
 $header = "POST /bbpress/bb-login.php HTTP/1.1rn";
 $header .= "Host:$host:$portrn";
 $header .= "Content-Type: application/x-www-form-urlencodedrn";
 $header .= "Content-Length: " . strlen($params) . "rn";
 $header .= "Connection: Closernrn";
 $header .= $params;
 $fp = fsockopen($host, $port);
 fputs($fp, $header);
 while (!feof($fp)) {
  $str = fgets($fp);
  //以下是逻辑代码,模拟cookie,可用来同步登陆
  if (!(strpos($str, "Set-Cookie:") === false)) {
   $tmparray = explode(" ", $str);
   $cookiearray = explode("=", $tmparray[1]);
   $cookiepaths = explode("=", $tmparray[6]);
   $cookiename = urldecode($cookiearray[0]);
   $cookievalue = urldecode(substr($cookiearray[1], 0, strlen($cookiearray[1]) - 1));
   $cookietime = time() + 3600 * 24 * 7;
   $cookiepath = urldecode(substr($cookiepaths[1], 0, strlen($cookiepaths[1]) - 1));
   setcookie($cookiename, $cookievalue, $cookietime, $cookiepath);
  }
 }
 fclose($fp);
}
?>

注：上述不支持https协议，下面才支持：
function vpost($url,$data){ // 模拟提交数据函数
    $c curl_init();  // 启动一个CURL会话
    curl_setopt($curl, CURLOPT_URL, $url); // 要访问的地址
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0); // 对认证证书来源的检查
    curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 1); // 从证书中检查SSL加密算法是否存在
    curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']); // 模拟用户使用的浏览器
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); // 使用自动跳转
    curl_setopt($curl, CURLOPT_AUTOREFERER, 1); // 自动设置Referer
    curl_setopt($curl, CURLOPT_POST, 1); // 发送一个常规的Post请求
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data); // Post提交的数据包
    curl_setopt($curl, CURLOPT_TIMEOUT, 30); // 设置超时限制防止死循环
    curl_setopt($curl, CURLOPT_HEADER, 0); // 显示返回的Header区域内容
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // 获取的信息以文件流的形式返回
    $tmpInfo = curl_exec($curl); // 执行操作
    if (curl_errno($curl)) {
       echo 'Errno'.curl_error($curl);//捕抓异常
    }
    curl_close($curl); // 关闭CURL会话
    return $tmpInfo; // 返回数据
}

$url = "https://xxx.xxx.xxx/xxx";
$data ="x=xxxxxx";
$result = vpost($url,$data);