Granada\ORM::where_in PHP Method

    public function where_in($column_name, $values)
    {
        if (!$values) {
            return $this->_add_where("0", $values);
        }
        $column_name = $this->_quote_identifier($column_name);
        $placeholders = $this->_create_placeholders($values);
        return $this->_add_where("{$column_name} IN ({$placeholders})", $values);
    }