Get an Information page content by ID set in the Admin Settings page

opencart_catalog_information_get_by_id.php

<?php
// @author standa | 2013-09-28 | get the return terms

// 1. load the model and get the page id
$this->load->model('catalog/information');

// here the page_id is the setting from the Admin / Settings / Default Shop / Options
$page_id = $this->config->get('config_return_id')

// 2. get the the row from the information database 
$information = $this->model_catalog_information->getInformationDescriptions($page_id);

// 3. here are the terms from the admin
// mind you must get a current language too
// and only the description column
$text_terms = htmlspecialchars_decode($information[(int)$this->config->get('config_language_id')]['description']);