}
if (!$found) {
echo 'The "newsletter" schedule was not found, email delivery won\'t work.';
}
}
?>
</td>
</tr>
<tr>
<td>
Delivery Engine
</td>
<td>
<?php
echo NewsletterModule::format_scheduler_time('newsletter');
?>
<?php
$controls->button('trigger', 'Trigger now');
?>
<p class="description">
If inactive or always in "running now" status your blog has a problem: <a href="http://www.thenewsletterplugin.com/how-to-make-the-wordpress-cron-work" target="_blank">read more here</a>.
</p>
</td>
</tr>
<tr>
<td>Collected samples</td>
<td>
<?php
echo count($calls);
?>