/**
 * 模拟post数据到其它服务器
 *
 * @param 
 * @arrange (512.笔记) jb51.cc
 **/
function post_request($url,$data,$referer='') {
 
    // Convert the data array into URL Parameters like a=b&foo=bar etc.
    $data = http_build_query($data);
 
    // parse the given URL
    $url = parse_url($url);
 
    if ($url['scheme'] != 'http') { 
        die('Error: Only HTTP request are supported !');
    }
 
    // extract host and path:
    $host = $url['host'];
    $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:
        fputs($fp,"POST $path HTTP/1.1\r\n");
        fputs($fp,"Host: $host\r\n");
 
        if ($referer != '')
            fputs($fp,"Referer: $referer\r\n");
 
        fputs($fp,"Content-type: application/x-www-form-urlencoded\r\n");
        fputs($fp,"Content-length: ". strlen($data) ."\r\n");
        fputs($fp,"Connection: close\r\n\r\n");
        fputs($fp,$data);
 
        $result = ''; 
        while(!feof($fp)) {
            // receive the results of the request
            $result .= fgets($fp,128);
        }
    }
    else { 
        return array(
            'status' => 'err','error' => "$errstr ($errno)"
        );
    }
 
    // close the socket connection:
    fclose($fp);
 
    // split the result header from the content
    $result = explode("\r\n\r\n",$result,2);
 
    $header = isset($result[0]) ? $result[0] : '';
    $content = isset($result[1]) ? $result[1] : '';
 
    // return as structured array:
    return array(
        'status' => 'ok','header' => $header,'content' => $content
    );
}

//使用方法
// Submit those variables to the server
$post_data = array(
    'test' => 'foobar','okay' => 'yes','number' => 2
);
 
// Send a request to example.com 
$result = post_request('http://www.example.com/',$post_data);
 
if ($result['status'] == 'ok'){
 
    // Print headers 
    echo $result['header']; 
 
    echo '<hr />';
 
    // print the result of the whole request:
    echo $result['content'];
 
}
else {
    echo 'A error occured: ' . $result['error']; 
}


/***   来自编程之家 jb51.cc（jb51.cc）   ***/