<?php foreach($this->licenses as $license): ?>
<tr>
    <?php
        $created = new Zend_Date($license->created);
        $valid = new Zend_Date($license->valid_until);
    ?>
    <td><?php echo $license->name ?></td>
    <td><?php echo $created->toString("dd.MM.YYYY") ?></td>
    <td><?php echo $valid->toString("dd.MM.YYYY") ?></td>

</tr>
<?php endforeach; ?>