header info added

header.inc.php

@@ -0,0 +1,11 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: leanderschmedemann
+ * Date: 02/03/2017
+ * Time: 11:49
+ */
+
+    header("Content-Type: application/json; Charset=utf-8");
+
+?>

includes.inc.php

@@ -9,6 +9,7 @@
 //include include files
 
 require_once('config.inc.php');
+require_once('header.inc.php');
 require_once('Database.php');
 
 ?>

register.php

@@ -12,7 +12,6 @@
     $database = new Database();
     $result = $database->query('SELECT * FROM "Categories";');
 
-    print nl2br(print_r($name, true));
-    print nl2br(print_r($result, true));
+    echo json_encode($result);
 
 ?>