Delete leaveroom.php

user/leaveroom.php

-<?php
-	include('session.php');
-	if (isset($_POST['leave'])){
-		$id=$_POST['id'];
-		
-		mysqli_query($conn,"delete from chat_member where userid='".$_SESSION['id']."' and chatroomid='$id'");
-		
-		//remove room if no more member
-		$r=mysqli_query($conn,"select * from chat_member where chatroomid='$id'");
-		if (mysqli_num_rows($r)<1){
-			mysqli_query($conn,"delete from chatroom where chatroomid='$id'");
-		}
-		
-	}
-
-?>
\ No newline at end of file