dobrafaza nadpisywanie wszystkich linkow

settings.php

/**
 * overwrite all links with extra subkultura _GET parametr
 * This is usefull for people that send link over IM's
 * @param type $path
 * @param type $options
 * @param type $original_path 
 */
function custom_url_rewrite_outbound(&$path, &$options, $original_path) {
  if(isset($_SESSION['subculture'])) {
    if(!empty($options['query'])) {
      $options['query'] .= '&'. drupal_query_string_encode(array('subkultura' => $_SESSION['subculture']));
    } else {
      $options['query'] =       drupal_query_string_encode(array('subkultura' => $_SESSION['subculture']));    
    }    
  }
}