/**
* curl_redir_exec
* Work around safe_mode restrictions on CURLOPT_FOLLOWLOCATION
* Taken from http://php.net/manual/en/function.curl-setopt.php#71313
* eion at bigfoot.com
*/
function curl_redir_exec($ch, $curl_loops = 0)
{
static $curl_max_loops = 20;
if ($curl_loops++ >= $curl_max_loops) {
return FALSE;
}
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = curl_exec($ch);
list($header, $data) = preg_split('/(\\r?\\n){2}/', $data, 2);
$http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE);
if ($http_code == 301 || $http_code == 302) {
$matches = array();
preg_match('/Location:(.*?)(?:\\n|$)/', $header, $matches);
$url = parse_url(trim(array_pop($matches)));
if (!$url) {
//couldn't process the url to redirect to
return $data;
}
$last_url = parse_url(curl_getinfo($ch, CURLINFO_EFFECTIVE_URL));
if (!$url['scheme']) {
$url['scheme'] = $last_url['scheme'];
}
if (!$url['host']) {
$url['host'] = $last_url['host'];
}
if (!$url['path']) {
$url['path'] = $last_url['path'];
}
$new_url = $url['scheme'] . '://' . $url['host'] . $url['path'] . ($url['query'] ? '?' . $url['query'] : '');
curl_setopt($ch, CURLOPT_URL, $new_url);
return WordbridgeHelper::curl_redir_exec($ch, $curl_loops);
} else {
return $data;
}
}
