PHP socket 模拟POST 请求实例代码

/**

• Post Request
• @param string $url
• @param array $data
• @param string $referer
• @return array
  */
  if ( ! function_exists('socket_post'))
  {
  function socket_post($url,$data,$referer='')
  {
  if( ! is_array($data))
  {
  return;
  }

$data = http_build_query($data);
$url = parse_url($url);

if ( ! isset($url['scheme']) || $url['scheme'] != 'http')
{
die('Error: Only HTTP request are supported !');
}

$host = $url['host'];
$path = isset($url['path']) ? $url['path'] : '/';

// open a socket connection on port 80 - timeout: 30 sec
$fp = fsockopen($host,80,$errno,$errstr,30);

if ($fp)
{
// send the request headers:
$length = strlen($data);
$POST = <<<HEADER
POST {$path} HTTP/1.1
Accept: text/plain,text/html
Referer: {$referer}
Accept-Language: zh-CN,zh;q=0.8
Content-Type: application/x-www-form-urlencodem
Cookie: token=value; pub_cookietime=2592000; pub_sauth1=value; pub_sauth2=value
User-Agent: Mozilla/5.0 (X11; Linux i686) AppleWebKit/537.17 (KHTML,like Gecko) Chrome/24.0.1312.56 Safari/537.17
Host: {$host}
Content-Length: {$length}
Pragma: no-cache
Cache-Control: no-cache
Connection: closern
{$data}
HEADER;
fwrite($fp,$POST);
$result = '';
while(!feof($fp))
{
// receive the results of the request
$result .= fread($fp,512);
}
}
else
{
return array(
'status' => 'error','error' => "$errstr ($errno)"
);
}

// close the socket connection:
fclose($fp);

// split the result header from the content
$result = explode("rnrn",$result,2);

// return as structured array:
return array(
'status' => 'ok','header' => isset($result[0]) ? $result[0] : '','content' => isset($result[1]) ? $result[1] : ''
);
}
}

print_r(socket_post('//www.52php.cn/',array('name='=>'qiufeng','password'=>md5('www.52php.cn'))));
/ e.g: socket_post('//www.52php.cn','password'=>md5('52php.cn'))); /
/ End of file socket_helper.php /

$boundary = "---------------------".substr(md5(rand(0,32000)),10);

// Build the header
$header = "POST /api.php?action=twupload HTTP/1.0rn";
$header .= "Host: {$remote_server}rn";
$header .= "Content-type: multipart/form-data,boundary=$boundaryrn";

/
// attach post vars
foreach($_POST AS $index => $value){
$data .="--$boundaryrn";
$data .= "Content-Disposition: form-data; name="".$index.""rn";
$data .= "rn".$value."rn";
$data .="--$boundaryrn";
}
/
$file_name = "aaa.jpg";
$content_type = "image/jpg";

$data = '';
// and attach the file
$data .= "--$boundaryrn";

$content_file = file_get_contents('aaa.jpg');
$data .="Content-Disposition: form-data; name="userfile"; filename="$file_name"rn";
$data .= "Content-Type: $content_typernrn";
$data .= "".$content_file."rn";
$data .="--$boundary--rn";

$header .= "Content-length: " . strlen($data) . "rnrn";
// Open the connection

$fp = fsockopen($remote_server,80);
// then just
fputs($fp,$header.$data);
// reader

while (!feof($fp)) {
echo fgets($fp,128);
}

fclose($fp);