<?php
session_start();
if(isset($_GET["sessionVar"])) {
$svar = $_GET["sessionVar"];
$_SESSION["sessionVar"] = $svar;
echo $_SESSION["sessionVar"];
echo 'isset';
echo $svar;
$_SESSION["subtotal"]=$_GET["subtotal"];
echo $_SESSION["subtotal"];
$_SESSION['subtotal']=$_GET['subtotal'];
echo $_SESSION['subtotal'];
$subtotal1=$_GET['subtotal'];
echo $subtotal1;
$subtotal2=$_GET["subtotal"];
echo $subtotal2;
}
else {
echo 'else';
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script language="javascript">
function saveChoiceToSession(o) {
var sessionVar = o.options[o.selectedIndex].value;
if(sessionVar!=null) {
var xmlhttp = null;
if(window.XMLHttpRequest) { xmlhttp=new XMLHttpRequest(); } else{ xmlhttp=new ActiveXObject("Microsoft.XMLHTTP"); }
if(xmlhttp != null) {
xmlhttp.open("GET","saveToSession.php?sessionVar="+sessionVar, false);
xmlhttp.send();
document.getElementById("displayhere").innerHTML = xmlhttp.responseText;
}
}
}
</script>
</head>
<body>
<select onchange="saveChoiceToSession(this)">
<option value="">Choose one...</option>
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<br />
<div id="displayhere"></div>
</body>
</html>
<?
}
?>
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