How to make sorting by price option before exporting to csv? Opencart module CSV Price Pro

// get Options //------------------------------------------------------------------------- private function getProductOptions($product_id, $language_id = false) { $options = array(); $sql = "SELECT CONCAT(od.name, '|', ovd.name, '|', pov.iuopcod, '|', pov.quantity, '|', pov.price_prefix, '|', TRUNCATE(pov.price, 2), '|', TRUNCATE(pov.base_price, 2), '|', pov.points_prefix, '|', pov.points, '|', pov.weight_prefix, '|', pov.weight, '|', po.required) AS p_options FROM `" . DB_PREFIX . "product_option_value` pov LEFT JOIN `" . DB_PREFIX . "product_option` po ON (pov.product_option_id = po.product_option_id) LEFT JOIN `" . DB_PREFIX . "option_value_description` ovd ON (pov.option_value_id = ovd.option_value_id AND ovd.language_id = '" . (int)$language_id . "') LEFT JOIN `" . DB_PREFIX . "option_description` od ON (pov.option_id = od.option_id AND od.language_id = '" . (int)$language_id . "') WHERE pov.product_id = " . (int)$product_id; $query = $this->db->query($sql); foreach ($query->rows as $result) { $options[] = $result['p_options']; } return implode("\n", $options); }