post_redirect_get('',"This assistant shouldn't be used like this"); $id=$_GET['q']; $barcode_prefix_regexp = '/^'.preg_replace('/\//', '\/', BARCODE_PREFIX).'/'; if(preg_match($barcode_prefix_regexp, $id)) $id=preg_replace($barcode_prefix_regexp, '', $id); if(preg_match('/\//', $id)) $this->post_redirect_get(strtolower($id)); else $this->post_redirect_get('?q='.urlencode($id));