Changed database access to PDO using prepared statements

vlan.php

@@ -9,21 +9,15 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
 include("includes.php");
 include("header.php");
-			
-$query = "SELECT
-		vlan_id,
-		vlan_number,
-		vlan_name,
-		LEFT(vlan_info, 60) AS vlan_info
-	FROM
-		vlan
-	ORDER BY
-		vlan_number";
-		
-$vlans = $db->db_select($query);
 
-$smarty->assign("vlans", $vlans);
+$sql = "SELECT vlan_id AS id, vlan_number AS number, vlan_name AS name,
+            LEFT(vlan_info, 60) AS info
+        FROM vlan
+        ORDER BY vlan_number";
+$sth = $dbh->query($sql);
+$smarty->assign("vlans", $sth->fetchAll());
+
 $smarty->display("vlan.tpl");
-		
+
 include("footer.php");
 ?>