diff --git a/check.php b/check.php
index 3d6cfe4..be8dd5b 100644
--- a/check.php
+++ b/check.php
@@ -1,48 +1,64 @@
 <?php
-if (isset($_POST['name'], $_POST['table'])) {
-    $name = $_POST['name'];
-    // validate user input
-    if (strlen($name) > 16 || !preg_match("/^[0-9a-zA-Z_]{1,16}$/", $name)) {
-        echo "Invalid name.";
-        return;
-    }
-    require './includes/page.php';
-    $page = new Page();
-    $history = $page->settings->table_history;
+require_once './includes/page.php';
 
-    $stmt = $page->conn->prepare("SELECT name,uuid FROM $history WHERE name=? ORDER BY date LIMIT 1");
-    if ($stmt->execute(array($name))) {
-        if ($row = $stmt->fetch()) {
-            $name = $row['name'];
-            $uuid = $row['uuid'];
-        }
-    }
-    if (!isset($uuid)) {
-        $name = htmlspecialchars($name, ENT_QUOTES, 'UTF-8');
-        echo "$name has not joined before.<br>";
-        return;
-    }
-    $table = $page->settings->table_bans;
-
-    $stmt = $page->conn->prepare("SELECT * FROM $table WHERE (uuid=? AND active=1) LIMIT 1");
-    if ($stmt->execute(array($uuid))) {
-        if (!($row = $stmt->fetch())) {
-            echo "$name is not banned.<br>";
+class Check {
+    public function run($name) {
+        // validate user input
+        if (strlen($name) > 16 || !preg_match("/^[0-9a-zA-Z_]{1,16}$/", $name)) {
+            $this->println("Invalid name.");
             return;
         }
-        $banner = $page->get_banner_name($row);
-        $reason = $page->clean($row['reason']);
-        $time = $page->millis_to_date($row['time']);
-        $until = $page->millis_to_date($row['until']);
-        echo "$name is banned!<br>";
-        echo "Banned by: $banner<br>";
-        echo "Reason: $reason<br>";
-        echo "Banned on: $time<br>";
-        if ($row['until'] > 0) {
-            echo "Banned until: $until<br>";
-        } else {
-            echo "Banned permanently.<br>";
+        $page = new Page(false);
+        $history = $page->settings->table_history;
+
+        try {
+            $stmt = $page->conn->prepare("SELECT name,uuid FROM $history WHERE name=? ORDER BY date LIMIT 1");
+            if ($stmt->execute(array($name))) {
+                if ($row = $stmt->fetch()) {
+                    $name = $row['name'];
+                    $uuid = $row['uuid'];
+                }
+            }
+            if (!isset($uuid)) {
+                $name = htmlspecialchars($name, ENT_QUOTES, 'UTF-8');
+                $this->println("$name has not joined before.");
+                return;
+            }
+            $table = $page->settings->table_bans;
+
+            $stmt = $page->conn->prepare("SELECT * FROM $table WHERE (uuid=? AND active=" . Settings::$TRUE . ") LIMIT 1");
+            if ($stmt->execute(array($uuid))) {
+                if (!($row = $stmt->fetch())) {
+                    $this->println("$name is not banned.");
+                    return;
+                }
+                $banner = $page->get_banner_name($row);
+                $reason = $page->clean($row['reason']);
+                $time = $page->millis_to_date($row['time']);
+                $until = $page->millis_to_date($row['until']);
+
+                $this->println("$name is banned!");
+                $this->println("Banned by: $banner");
+                $this->println("Reason: $reason");
+                $this->println("Banned on: $time");
+                if ($row['until'] > 0) {
+                    $this->println("Banned until: $until");
+                } else {
+                    $this->println("Banned permanently.");
+                }
+            }
+        } catch (PDOException $ex) {
+            die($ex->getMessage());
         }
     }
+
+    function println($line) {
+        echo "$line<br>";
+    }
+}
+
+if (isset($_POST['name'], $_POST['table'])) {
+    $check = new Check();
+    $check->run($_POST['name']);
 }
 ?>
diff --git a/includes/page.php b/includes/page.php
index 124742b..4f54841 100644
--- a/includes/page.php
+++ b/includes/page.php
@@ -1,17 +1,18 @@
 <?php
-require './includes/head.php';
-require './includes/header.php';
-require_once './includes/settings.php';
 
 class Page {
-    public function __construct() {
+    public function __construct($header = true) {
+        if ($header) {
+            require_once './includes/head.php';
+            require_once './includes/header.php';
+        }
+        require_once './includes/settings.php';
         $settings = new Settings();
         $this->conn = $settings->conn;
         $this->settings = $settings;
         $this->uuid_name_cache = array();
         $this->time = microtime(true);
         $this->page = 1;
-
         if (isset($_GET['page'])) {
             $page = $_GET['page']; // user input
             if (filter_var($page, FILTER_VALIDATE_INT)) {
diff --git a/includes/settings.php b/includes/settings.php
index d6e627f..9e229e5 100644
--- a/includes/settings.php
+++ b/includes/settings.php
@@ -1,6 +1,8 @@
 <?php
 
 final class Settings {
+    public static $TRUE = "1", $FALSE = "0";
+
     public function __construct($connect = true) {
         // Server name, shown on the main page and on the header
         $this->name = 'LiteBans';
@@ -41,11 +43,19 @@ final class Settings {
 
         $driver = 'mysql';
 
+        /*** End of configuration ***/
+
         $this->active_query = "";
-        if (!$this->show_inactive_bans) {
-            $this->active_query = "WHERE active=1";
+
+        if ($driver === "pgsql") {
+            Settings::$TRUE = "B'1'";
+            Settings::$FALSE = "B'0'";
         }
 
+        if (!$this->show_inactive_bans) {
+            $this->active_query = "WHERE active=" . Settings::$TRUE;
+        }
+        $this->driver = $driver;
         if ($connect) {
             $dsn = "$driver:dbname=$database;host=$host;port=$port";
             if ($driver === 'mysql') {