Hide the table sorting links on the dashboard

The tables on the dashboard always show the 50 most recent packages,
ordered by last update. Do not make the table headers of these tables
clickable.

Signed-off-by: Lukas Fleischer <lfleischer@archlinux.org>

web/template/pkg_search_results.php

 <?php
+if ($show_headers) {
+	$fmtth = function($title, $sb=false, $so=false, $hint=false) {
+		echo '<th>';
+		if ($sb) {
+			echo '<a href="?' . mkurl('SB=' . $sb . '&SO = ' . $so) . '">' . $title . '</a>';
+		} else {
+			echo $title;
+		}
+		if ($hint) {
+			echo '<span title="' . $hint . '" class="hover-help"><sup>?</sup></span>';
+		}
+		echo '</th>';
+	};
+} else {
+	$fmtth = function($title, $sb=false, $so=false, $hint=false) {
+		echo '<th>' . $title . '</th>';
+	};
+}
+
 if (!$result): ?>
 	<p><?= __("Error retrieving package list.") ?></p>
 <?php elseif ($total == 0): ?>
@@ -33,16 +52,16 @@ if (!$result): ?>
 				<?php if ($SID && $show_headers): ?>
 				<th>&nbsp;</th>
 				<?php endif; ?>
-				<th><a href="?<?= mkurl('SB=n&SO=' . $SO_next) ?>"><?= __("Name") ?></a></th>
-				<th><?= __("Version") ?></th>
-				<th><a href="?<?= mkurl('SB=v&SO=' . $SO_next) ?>"><?= __("Votes") ?></a></th>
-				<th><a href="?<?= mkurl('SB=p&SO=' . $SO_next) ?>"><?= __("Popularity") ?></a><span title="<?= __('Popularity is calculated as the sum of all votes with each vote being weighted with a factor of %.2f per day since its creation.', 0.98) ?>" class="hover-help"><sup>?</sup></span></th>
+				<?php $fmtth(__('Name'), 'n', $SO_next) ?>
+				<?php $fmtth(__('Version')) ?>
+				<?php $fmtth(__('Votes'), 'v', $SO_next) ?>
+				<?php $fmtth(__('Popularity'), 'p', $SO_next, __('Popularity is calculated as the sum of all votes with each vote being weighted with a factor of %.2f per day since its creation.', 0.98)) ?>
 				<?php if ($SID): ?>
-				<th><a href="?<?= mkurl('SB=w&SO=' . $SO_next) ?>"><?= __("Voted") ?></a></th>
-				<th><a href="?<?= mkurl('SB=o&SO=' . $SO_next) ?>"><?= __("Notify") ?></a></th>
+				<?php $fmtth(__('Voted'), 'w', $SO_next) ?>
+				<?php $fmtth(__('Notify'), 'o', $SO_next) ?>
 				<?php endif; ?>
-				<th><?= __("Description") ?></th>
-				<th><a href="?<?= mkurl('SB=m&SO=' . $SO_next) ?>"><?= __("Maintainer") ?></a></th>
+				<?php $fmtth(__('Description')) ?>
+				<?php $fmtth(__('Maintainer'), 'm', $SO_next) ?>
 			</tr>
 		</thead>
 		<tbody>