function _keywordAndNumArgsExists($keyword, $num_args, $group_id) { $reference_dao = $this->_getReferenceDao(); $dar = $reference_dao->searchByKeywordAndGroupId($keyword, $group_id); $existing_refs = array(); while ($row = $dar->getRow()) { if (Reference::computeNumParam($row['link']) == $num_args) { return $row['reference_id']; } } return false; }