Undefined Index problem

Part of an AJAX chatroom for SMF forum

[TrueSatan]

The code I'm trying to fix is as follows:

 function autoRefresh(){
 var myAjax = new Ajax.Request( \'Sources/tpvchat/func/chat.php\', {method: \'post\', parameters: "act=clientIn&guestname='.$_SESSION['chatsession'].'", onComplete: function(res){
   ob=JSON(res)
   if (ob.error){alert(ob.errors)}  
  }});  
  new Ajax.PeriodicalUpdater("content",\'Sources/tpvchat/func/chat.php\' , {asynchronous:true, frequency:1, method: \'post\', parameters: "act=get"});
  
 }
 function doRefresh(){
  new Ajax.Updater("content",\'Sources/tpvchat/func/chat.php\' , {method: \'post\', parameters: "act=get"});
 }
 function PostMessage(form) {
 var myAjax = new Ajax.Request( \'Sources/tpvchat/func/chat.php\', {method: \'post\', parameters: "act=post&"+Form.serialize(form), onComplete: function(res){
   ob=JSON(res)
   if (ob.error){alert(ob.errors)}  
  }});
  setTimeout("doRefresh()",1);
  el=document.getElementById("Tmessage")
  el.focus();
 setTimeout(\'el.value=""\',3);
  el.value="";
 } 
function ClearChat(form) {
 var myAjax = new Ajax.Request( \'Sources/tpvchat/func/chat.php\', {method: \'post\', parameters: "act=clearchat", onComplete: function(res){
   ob=JSON(res)
   if (ob.error){alert(ob.errors)}  
  }});
  setTimeout("doRefresh()",1);
 } 
 function delPost(id) {
 var myAjax = new Ajax.Request( \'Sources/tpvchat/func/chat.php\', {method: \'post\', parameters: "act=del&id="+id , onComplete: function(res){
   ob=JSON(res)
   if (ob.error){alert(ob.errors)}  
  }});
  setTimeout("doRefresh()",1);
 } 
 _handleKey=function(ob,e){
  e.Key=(e.keyCode)?e.keyCode:e.which;
  if (e.Key==13){
  if (e.shiftKey){
   return true;
  }else{
   PostMessage(ob.form);
   try{
   ob.preventDefault();
   }catch(e){
   ob.returnValue=false;
   }
   ob.value=""
   return false;
  }
  }
 }
 function leaveChat(){
 var myAjax = new Ajax.Request( \'Sources/tpvchat/func/chat.php\', {asynchronous:false,method: \'post\', parameters: "act=clientOut&guestname='.$_SESSION['chatsession'].'", onComplete: function(res){
   ob=JSON(res)
   if (ob.error){alert(ob.errors)}  
  }});  
 }
 </script>';
}

The code gives 2 errors...Undefined index: chatsession

Would anyone be so kind as to offer a solution?

[grandpa]

Hi TrueSatan, and welcome to WebmasterWorld

At first glance it looks like you are passing chatsession back to chat.php, along with other parameters. One possibility is that you are using a GET in chat.php, but you are POST'ing the values from this script. If that's the problem, the solution is to read your POST variables in chat.php

$x = $_POST['abc'];

[TrueSatan]

Thanks Grandpa...and for your welcome. I managed to figure it out with your tip as a guide.