cross-domain.php

<?php
   /**
   * Transport for Cross-domain AJAX calls
   *
   * This is an implementation of a transport channel for utilizing cross-domain
   * AJAX calls. This script is passed the data through AJAX along with two special
   * hidden field containing the acttion URL and the http method (GET/POST). It then 
   * sends the form fields to that URL and returns the response.
   *
   * @package CrossDomainAjax
   * @category CURL
   * @author Md Emran Hasan <phpfour@gmail.com>
   * @link http://www.phpfour.com
   */
   // The actual form action

//header( 'Content-Type: text/html; charset=ISO-8859-1');
header( 'Content-Type: text/html; charset=utf-8');

   $action = $_REQUEST['url'];
   // Submission method
   $method = $_REQUEST['method'];
   // Query string
   $fields = '';
   // Prepare the fields for query string, don't include the action URL OR method
if (count($_REQUEST) > 2){
  foreach ($_REQUEST as $key => $value){
    if ($key != 'url' || $key != 'method'){
      $fields .=  '&' . $key . '=' . rawurlencode($value) ;
    }
  }
}
// Strip the last comma
$fields = substr($fields, 0, strlen($fields) - 1);
// Initiate cURL
$ch = curl_init();

// Do we need to POST of GET ?
if (strtoupper($method) == 'POST'){ 
  curl_setopt($ch, CURLOPT_URL, $action);
  curl_setopt($ch, CURLOPT_POST, 1);
  curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);
} else {
  curl_setopt($ch, CURLOPT_URL, $action  . $fields); 
}

// Follow redirects and return the transfer
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
// Get result and close cURL
$result = curl_exec($ch);
// Return the response
 
echo $result;
//error_log(curl_getinfo ($ch, CURLINFO_EFFECTIVE_URL ) );
//error_log(curl_error($method));
// error_log($result);

curl_close($ch);

?>