erreur action de masse

					$key = str_replace($filter['type'],'',$this->massaction->getRequest($filter));
					$nquery .= 'zone_name '.$key.' OR zone_name_english '.$key.' OR zone_namekey '.$key;

					$zonefilter = hikashop_copy($filter);
					$columns = array('zone_name', 'zone_name_english', 'zone_namekey');
					$conditions = array();
					foreach($columns as $column) {
						$zonefilter['type'] = $column;
						$conditions[] = $this->massaction->getRequest($zonefilter);
					}
					$nquery .= '('.implode(' OR ', $conditions).')';