Column Formatter

<?php
require_once 'Structures/DataGrid.php';

$dg =& new Structures_DataGrid();
$result = $dg->bind('http://pear.php.net/feeds/pkg_structures_datagrid.rss');
if (PEAR::isError($result)) {
    die('An error occured while fetching the RSS information.');
}

$dg->addColumn(new Structures_DataGrid_Column('Release', 'title', 'title', null, null, 'printLink()'));
$dg->addColumn(new Structures_DataGrid_Column('Description', 'description', 'description', null, null, 'printDesc($length=150)'));
$dg->addColumn(new Structures_DataGrid_Column('Date', 'dc:date', 'dc:date'));
$dg->render();

function printLink($params)
{
    extract($params);
    return '<a href="' . $record['link'] . '">' . $record['title'] . '</a>';
}

function printDesc($params)
{
    extract ($params);
    if (strlen($record['description']) > $length) {
        return nl2br(substr($record['description'], 0, $length)) . '...';
    } else {
        return nl2br($record['description']);
    }          
}
?>