change order

getAllMateri.php

@@ -12,7 +12,7 @@
 
 require 'dbConnect.php';
 
-$stmt = $conn->query("SELECT * FROM `materi`");
+$stmt = $conn->query("SELECT * FROM `materi` ORDER BY `id` DESC");
 $count = $stmt->num_rows;
 $res = array();
 while ($row = $stmt->fetch_assoc()) {