Displaying data from myTinyTodo somewhere else

<?php

/**
 * Class to read data from http://www.mytinytodo.net/ and display it somewhere else (as a part of your own application).
 * Allows to integrate your todo list into some other web-site.
 * You only need to comment line 68 in todo/ajax.php "exit;" for this class to work. THIS IS IMPORTANT!
 *
 * © 2010 spidgorny@gmail.com
 * http://spidgorny.blogspot.com/2010/09/displaying-data-from-mytinytodo.html
 */
class Todo extends Controller {
    protected $tasks = array();         // the data will be stored here
                                        // structure: array('total' => 15, 'list' => array(...));

    /**
     * We imitate an AJAX request for the data and grab it with ob_get_clean().
     * Then we decode JSON data and voilà!
     *
     */
    function __construct($tab = 1) {
        $_GET['loadTasks'] = 1;
        $_GET['list'] = $tab;           // which tab to display
        $_GET['compl'] = 0;
        $_GET['sort'] = 0;
        $_GET['tz'] = 120;
        $_GET['rnd'] = rand();
        //debug($_GET);
        ob_start();
        require_once('todo/init.php');
        $GLOBALS['lang'] = Lang::instance();
        require_once('todo/ajax.php');
        $json = ob_get_clean();
        $this->tasks = json_decode($json, TRUE);
        //debug($this->tasks);
    }

    /**
     * Modify this function in order to display data from $this->tasks['list'].
     *
     */
    function render() {
        require('template/head.phtml');
        echo '<div class="headerMargin"><br>';
        foreach ($this->tasks['list'] as $i => &$row) {
            unset($row['id']);
            unset($row['dateInline']);
            unset($row['dateCompleted']);
            unset($row['prio']);
            unset($row['note']);
            unset($row['noteText']);
            unset($row['ow']);
            unset($row['tags']);
            unset($row['duedate']);
            unset($row['dueClass']);
            unset($row['dueStr']);
            unset($row['dueInt']);
            if ($row['compl']) {
                //unset($this->tasks['list'][$i]);
                break;
            }
            unset($row['compl']);
        }
        echo new slTable($this->tasks['list'], 'width="90%" style="margin: 0 auto;"');
        echo '</div>';
        require('template/footer.phtml');
    }

}