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', array('length' => 15))
);
$dg->addColumn(
    new Structures_DataGrid_Column('Date', 'dc:date', 'dc:date')
);
$dg->render();

function printLink($params, $args)
{
    extract($params);
    extract($args);

    return '<a href="' . $record['link'] . '">' . $record['title'] . '</a>';
}

function printDesc($params, $args)
{
    extract($params);
    extract($args);

    if (strlen($record[$fieldName]) > $length) {
        return nl2br(substr($record[$fieldName], 0, $length)) . '...';
    } else {
        return nl2br($record[$fieldName]);
    }
}
?>