вот вам прекрасный исходничек показывающий как работать с библиотекой
<?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 action 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 <[email protected]>
* @link http://www.phpfour.com
*/
// The actual form action
$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);
curl_close($ch);
// Return the response
echo $result;
?>
