Transparent redirection of Knowledgebase URLs after upgrade from v2.3.5 to v3.x

[hawk]

We solved this problem by adding the following code at the top of main index.php file :

PHP Code:

if(!strncmp($_SERVER['QUERY_STRING'], '_a=knowledgebase&_j=questiondetails&_i=', 39)){
  header('HTTP/1.0 301 Moved Permanently');
  header('Location: index.php?_m=knowledgebase&_a=viewarticle&kbarticleid='.(int)$_GET['_i']);
  exit;
}