diff -urN punbb-1.2.21/upload/admin_index.php punbb-1.2.22/upload/admin_index.php
--- punbb-1.2.21/upload/admin_index.php	2008-10-23 07:49:10.000000000 +0000
+++ punbb-1.2.22/upload/admin_index.php	2009-04-20 07:46:13.000000000 +0000
@@ -50,13 +50,10 @@
 	if ($latest_version == '')
 		message('Check for upgrade failed for unknown reasons.');
 
-	$cur_version = str_replace(array('.', 'dev', 'beta', ' '), '', strtolower($pun_config['o_cur_version']));
-	$cur_version = (strlen($cur_version) == 2) ? intval($cur_version) * 10 : intval($cur_version);
+	$latest_version = preg_replace('/(\.0)+(?!\.)|(\.0+$)/', '$2', $latest_version);
+	$cur_version = preg_replace('/(\.0)+(?!\.)|(\.0+$)/', '$2', $cur_version);
 
-	$latest_version = str_replace('.', '', strtolower($latest_version));
-	$latest_version = (strlen($latest_version) == 2) ? intval($latest_version) * 10 : intval($latest_version);
-
-	if ($cur_version >= $latest_version)
+	if (version_compare($cur_version, $latest_version, '>='))
 		message('You are running the latest version of PunBB.');
 	else
 		message('A new version of PunBB has been released. You can download the latest version at <a href="http://punbb.informer.com/">PunBB.Informer.Com</a>.');
diff -urN punbb-1.2.21/upload/admin_prune.php punbb-1.2.22/upload/admin_prune.php
--- punbb-1.2.21/upload/admin_prune.php	2008-10-23 07:49:10.000000000 +0000
+++ punbb-1.2.22/upload/admin_prune.php	2009-09-01 07:27:43.000000000 +0000
@@ -42,6 +42,7 @@
 		confirm_referrer('admin_prune.php');
 
 		$prune_from = $_POST['prune_from'];
+		$prune_sticky = isset($_POST['prune_sticky']) ? '1' : '0';
 		$prune_days = intval($_POST['prune_days']);
 		$prune_date = ($prune_days) ? time() - ($prune_days*86400) : -1;
 
@@ -56,14 +57,14 @@
 			{
 				$fid = $db->result($result, $i);
 
-				prune($fid, $_POST['prune_sticky'], $prune_date);
+				prune($fid, $prune_sticky, $prune_date);
 				update_forum($fid);
 			}
 		}
 		else
 		{
 			$prune_from = intval($prune_from);
-			prune($prune_from, $_POST['prune_sticky'], $prune_date);
+			prune($prune_from, $prune_sticky, $prune_date);
 			update_forum($prune_from);
 		}
 
@@ -93,7 +94,7 @@
 	// Concatenate together the query for counting number or topics to prune
 	$sql = 'SELECT COUNT(id) FROM '.$db->prefix.'topics WHERE last_post<'.$prune_date.' AND moved_to IS NULL';
 
-	if ($_POST['prune_sticky'] == '0')
+	if (!$prune_sticky)
 		$sql .= ' AND sticky=\'0\'';
 
 	if ($prune_from != 'all')
@@ -127,7 +128,7 @@
 			<form method="post" action="admin_prune.php?action=foo">
 				<div class="inform">
 					<input type="hidden" name="prune_days" value="<?php echo $prune_days ?>" />
-					<input type="hidden" name="prune_sticky" value="<?php echo $_POST['prune_sticky'] ?>" />
+					<input type="hidden" name="prune_sticky" value="<?php echo $prune_sticky ?>" />
 					<input type="hidden" name="prune_from" value="<?php echo $prune_from ?>" />
 					<fieldset>
 						<legend>Confirm prune posts</legend>
diff -urN punbb-1.2.21/upload/install.php punbb-1.2.22/upload/install.php
--- punbb-1.2.21/upload/install.php	2008-12-03 14:23:02.000000000 +0000
+++ punbb-1.2.22/upload/install.php	2009-09-02 05:35:11.000000000 +0000
@@ -24,7 +24,7 @@
 
 
 // The PunBB version this script installs
-$punbb_version = '1.2.21';
+$punbb_version = '1.2.22';
 
 
 define('PUN_ROOT', './');