Php > Miscellaneous

Automatic form POSTer

Automatic form POSTer

<?php 

  function PostIt($DataStream, $URL) { 

//  Strip http:// from the URL if present 
    $URL = ereg_replace("^http://", "", $URL); 

//  Separate into Host and URI 
    $Host = substr($URL, 0, strpos($URL, "/")); 
    $URI = strstr($URL, "/"); 

//  Form up the request body 
    $ReqBody = ""; 
    while (list($key, $val) = each($DataStream)) { 
      if ($ReqBody) $ReqBody.= "&"; 
      $ReqBody.= $key."=".urlencode($val); 
    } 
    $ContentLength = strlen($ReqBody); 

//  Generate the request header 
    $ReqHeader = 
      "POST $URI HTTP/1.1\n". 
      "Host: $Host\n". 
      "User-Agent: PostIt\n". 
      "Content-Type: application/x-www-form-urlencoded\n". 
      "Content-Length: $ContentLength\n\n". 
      "$ReqBody\n"; 

//  Open the connection to the host 
    $socket = fsockopen($Host, 80, &$errno, &$errstr); 
    if (!$socket) { 
      $Result["errno"] = $errno; 
      $Result["errstr"] = $errstr; 
      return $Result; 
    } 
    $idx = 0; 
    fputs($socket, $ReqHeader); 
    while (!feof($socket)) { 
      $Result[$idx++] = fgets($socket, 128); 
    } 
    return $Result; 
  } 
?> 

<?php 
/* 
  Sample code calling PostIt(). Note (no pun intended) that it is better to 
  test for an error result with isset() rather than simply 
    if ($Result["errno"]) 
  as the error number can be zero. 
*/ 

  include("postit.php3"); 

  $d["foo"] = "some"; 
  $d["bar"] = "data"; 

  $Result = PostIt($d, "http://www.mydomain.com/test/test.php3"); 

  if (isset($Result["errno"])) { 
    $errno = $Result["errno"]; $errstr = $Result["errstr"]; 
    echo "<B>Error $errno</B> $errstr"; 
    exit; 
  } 
  else { 
    while (list($key, $val) = each($Result)) echo $val; 
  } 
?>