I use the following script to make forward an ajax call from the browser
to a server other than my main webserver.
On my homeserver (debian/apache2/php5 with rootxs) it runs fine, but on
my shared hosting (servage.net, phpinfo at
http://mediabeez.veerman.ws/mb/sn.php) it freezes / hangs on curl_exec().
I've already asked my hoster's supportstaff about this, but they are a
bit clueless and are very slow to respond atm.
So i'm wondering if you know anything about curl_exec hanging/freezing
because of some server configuration setting.
If i'd know what it is that's causing this, maybe i can work around it?
I'd also like to know about forward-scripts that can do POST and GET,
and use fopen() instead of curl. Maybe that fixes it.
The script I currently use:
<?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 <phpfour@xxxxxxxxx>
* @link http://www.phpfour.com
*/
require_once ('lib_html.php');
// 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($ch, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($connection, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($connection, CURLOPT_TIMEOUT, 45); // 45
secs. download page
curl_setopt($connection, CURLOPT_CONNECTTIMEOUT, 30); //
30 server found
curl_setopt($connection, CURLOPT_VERBOSE, 1);
// Get result and close cURL
//tmlDump ($action);
$result = curl_exec($ch);
curl_close($ch);
// Return the response
echo $result;
?>
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