Column Formatter

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

      $dg =& new Structures_DataGrid();
      $dg->bind('http://pear.php.net/feeds/pkg_structures_datagrid.rss', null, 'RSS');

      $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']);
          }          
      }
      ?>