Nahradit HTML formulář PHP skriptem

function send_post($url, $data,$referer='') {
    // Convert the data array into URL Parameters like a=b&foo=bar etc.
        if(is_array($data)) {
            $data = http_build_query($data);
        }
    // parse the given URL
        //$all_url=$url;
    $url = parse_url($url);
    // extract host and path:
    $host = $url['host'];
        $all_url=$host;
    $path = @$url['path'];
        if(empty($url['scheme'])) $url['scheme']="http";
        if(strtoupper($url['scheme'])=="HTTP") {
            $port=80;
        }
        elseif(strtoupper($url['scheme'])=="HTTPS") {
            $port=443;
            $all_url="ssl://".$host;
        }
    // open a socket connection on port 80 - timeout: 30 sec
    $fp = fsockopen($all_url, $port, $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
    );
    }

$postdata = http_build_query(
    array(
        'var1' => 'some content',
        'var2' => 'doh'
    )
);

$opts = array('http' =>
    array(
        'method'  => 'POST',
        'header'  => 'Content-type: application/x-www-form-urlencoded',
        'content' => $postdata
    )
);

$context  = stream_context_create($opts);

$result = file_get_contents('http://example.com/submit.php', false, $context);