How to use socket post data to other web servers in php, socketpost_PHP tutorial

php uses socket post data to other web servers, socketpost

This article describes the example of php using socket post data to other web servers. Share it with everyone for your reference. The specific implementation method is as follows:

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']; 
}

I hope this article will be helpful to everyone’s PHP programming design.

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