public static function get_raw_data()
{
global $HTTP_RAW_POST_DATA;
/*
* A bug in PHP < 5.2.2 makes $HTTP_RAW_POST_DATA not set by default,
* but we can do it ourself.
*/
if (!isset($HTTP_RAW_POST_DATA)) {
$HTTP_RAW_POST_DATA = file_get_contents('php://input');
}
return $HTTP_RAW_POST_DATA;
}