ORM::delete_many PHP Method

    public function delete_many()
    {
        // Build and return the full DELETE statement by concatenating
        // the results of calling each separate builder method.
        $query = $this->_join_if_not_empty(" ", array("DELETE FROM", $this->_quote_identifier($this->_table_name), $this->_build_where()));
        return self::_execute($query, $this->_values, $this->_connection_name);
    }