Tuts+ Chat Application
if(isset($_GET['logout'])){ //Simple exit message $logout_message = "
User ". $_SESSION['name'] ." has left the chat session.
"; file_put_contents("log.html", $logout_message, FILE_APPEND | LOCK_EX); session_destroy(); header("Location: index.php"); //Redirect the user} 02030405060708091011121314151617//Load the file containing the chat logfunction loadLog(){ var oldscrollHeight = $("#chatbox")[0].scrollHeight - 20; //Scroll height before the request $.ajax({ url: "log.html", cache: false, success: function(html){ $("#chatbox").html(html); //Insert chat log into the #chatbox div //Auto-scroll var newscrollHeight = $("#chatbox")[0].scrollHeight - 20; //Scroll height after the request if(newscrollHeight > oldscrollHeight){ $("#chatbox").animate({ scrollTop: newscrollHeight }, 'normal'); //Autoscroll to bottom of div } },