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What Is Wrong?
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TehBlizzy
post Mar 17 2009, 02:29 PM
Post #1


Newbie
*

Group: Members
Posts: 12
Joined: 7-June 08
Member No.: 33,780
CODE
<html>
<head>
<title> Chatroom </title>
</head>
&lt;script language="Javascript">
var xmlHttp

function sendMessage()
{
xmlHttp=GetXmlHttpObject();
if (xmlHttp==null)
  {
  alert ("Your browser does not support AJAX!");
  return;
  }
var Msg=document.getElementById("UIMessage");
var url="ChatFunc.php";
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("POST",url,true);
var Data = "UserMsg=" + encodeURI(document.getElementById("address").value);
xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
xmlHttp.setRequestHeader("Content-length", data.length);
xmlHttp.setRequestHeader("Connection", "close");
xmlHttp.send(Data);
}

function stateChanged()
{
if (xmlHttp.readyState==4)
{
document.getElementById("ChatT").innerHTML+=xmlHttp.responseText;
}
}

function GetXmlHttpObject()
{
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}
</script>
<body>
<style type="text/css">
body
{
background-color: #000000;
}
div#Main
{
position: block;
width: 600px;
height: 500px;
margin: auto;
border-style: solid;
border-color: #FF0000;
border-width: 1px;
}
div#Chat
{
position: relative;
width: 395px;
height: 345px;
border-style: solid;
border-color: #FF0000;
border-width: 1px;
left: 5px;
top: 5px;
color: #FF0000;
}
p#ChatT
{
position: relative;
overflow-y: scroll;
height: 285px;
left: 5px;
width: 390px;
}
div#ChatH
{
color: #FF0000;
font-size: 25px;
text-align: center;
border-bottom-style: solid;
border-bottom-width: 1px;
font-family: Comic Sans MS;
}
div#UsersH
{
color: #FF0000;
font-size: 25px;
text-align: center;
border-bottom-style: solid;
border-bottom-width: 1px;
font-family: Comic Sans MS;
}
div#Users
{
position: absolute;
width: 180px;
height: 345px;
border-style: solid;
border-color: #FF0000;
border-width: 1px;
left: 750px;
top: 15px;
}
p#UsersT
{
position: relative;
overflow-y: scroll;
height: 285px;
left: 5px;
width: 175px;
color: #FF0000;
font-size: 20px;
}
div#Input
{
position: relative;
width: 585px;
height: 135px;
border-style: solid;
border-color: #FF0000;
border-width: 1px;
top: 10px;
left: 5px;
color: #FF0000;
font-size: 24px;
font-family: Comic Sans MS;
}
div#Input p
{
position: relative;
margin: auto;
}
</style>
<div id="Main">
<div id="Chat">
<div id="ChatH">
CHATROOM
</div>
<p id="ChatT">
lol
</p>
</div>
<div id="Users">
<div id="UsersH">
USERS
</div>
<p id="UsersT">
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
lol
<br>
</p>
</div>
<div id="Input">
<p>
Message:<input type="text" id="UIMessage" size="64" maxlength="64">
<button onClick="sendMessage()">SEND</button>
</p>
</div>
</div>
</body>
</html>


Please ignore my horrible layout because I a too lazy to put my CSS in another file xD

Basically, if I take out the "requestHeader" lines the page actually does something, but when I add it the script does nothing.
I know this because when I click Send the ChatT box becomes empty. But, my PHP script is not receiving the UserMsg value I am sending to it when it actually works.

ChatFunc.php
CODE
<?php
$UserMsg=$_POST['UserMsg'];
$File=fopen("ChatT.txt", "a");
fwrite($File,$UserMsg);
fclose($File);
?>


If I set $UserMsg to a certain value, like "Hello", it writes it to the file. If I assign it to the post data it writes a "0" which Im sure means null or something.

Any tips? biggrin.gif

The site is http://tehblizzy.uuuq.com/ and the text file is (tehblizzy.uuuq.com/ChatT.txt)
(Excuse my bad language in it, I was very po'd at it at the time...)

This post has been edited by zpcs: Dec 18 2012, 11:56 AM
Reason for edit: Broken URL Link Removed then Broken URL Link allowanced for Descriptive URL Link so as not to disturb content
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TehBlizzy
post Mar 20 2009, 05:53 PM
Post #2


Newbie
*

Group: Members
Posts: 12
Joined: 7-June 08
Member No.: 33,780
Now there ish a new problem. Sessions aren't saving. I know I'm doing it right so its not my coding that has probs. The session thing may have been posted somewhere in these forums on how to fix it or why it is happening, but using the search tool comes up with too many results. SO yea, sessions don't work :'(
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Posts in this topic
TehBlizzy   What Is Wrong?   Mar 17 2009, 02:29 PM
Trippin7464   Did you name the file file.php ? also your missing...   Mar 18 2009, 12:48 AM
TehBlizzy   $File=fopen("ChatT.txt", "a...   Mar 18 2009, 01:53 AM
MrTouz   &lt;script language="Javascript"> ...   Mar 18 2009, 08:14 AM
swordz   Also, that <script></script> tag shou...   Mar 18 2009, 08:28 AM
TehBlizzy   I placed the script stuff inside the header and no...   Mar 18 2009, 08:29 PM
Andrew   Then it's not a messup, try deleting the one y...   Mar 19 2009, 02:37 AM
TehBlizzy   Thats not the problem at all...Its a < even in ...   Mar 19 2009, 05:06 AM
MrTouz   Yea delete the < and replace it by a <. Some...   Mar 19 2009, 09:54 AM
Andrew   Your code doesn't do anything, the JavaScript ...   Mar 19 2009, 03:46 PM
TehBlizzy   xmlHttp.setRequestHeader("Content-type...   Mar 19 2009, 08:05 PM
Bread   I've thrown it through the excellent js debugg...   Mar 19 2009, 10:32 PM
TehBlizzy   Wow, I'm so blind to have missed that... Thank...   Mar 19 2009, 11:43 PM
TehBlizzy   Woohoo!! Its basically done now! I wil...   Mar 20 2009, 01:14 AM
TehBlizzy   Alrighty, its basically done now. Only thing is th...   Mar 20 2009, 01:32 AM
TehBlizzy   Now there ish a new problem. Sessions aren't s...   Mar 20 2009, 05:53 PM

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