/** * @param array $category * @return string */ private static function getCategory(array $category) { $result = ''; if (!empty($category)) { $values = SJB_ListingFieldDBManager::getMultilistValuesBySids($category); if ($values) { foreach ($values as $value) { $result .= empty($result) ? urlencode(trim($value['value'])) : '+' . urlencode(trim($value['value'])); } } } return $result; }