changed name

chat.php

@@ -1,12 +1,12 @@
 <?php
 
-require_once './modules/common.mod.php';
+require_once './modules/chat.mod.php';
 
 
-$db = new Chat;
+$chat = new Chat;
 
 $user_id = $_POST['id'];
 $chat_message = $_POST['text'];
 
-$db -> send_chat ($user_id, $chat_message);
+$chat -> send ($user_id, $chat_message);