I can't seem to figure out why it keeps showing me this error,where am i doing wrong?, can someone help me please
<?php
include_once "cinc/Tbox.php"; # include the class file for textbox validation
// BEGIN PROCESSING HERE
// this version uses POST so we will see the data in the url
$showform = NULL;
$theform = "<form method='post' action='links.php'>\n
<fieldset>\n
<ol>\n
<li><label for='Uname'>UserName<em>*</em></label></li>\n
<li><input type='text' name='Uname' id='Uname' /></li>\n
<li><label for='pwd'>Password<em>*</em></label></li>\n
<li><input type='password' name='pwd' id='pwd' /></li>\n
<li><label><input type ='checkbox' name='check1' id='check1' />Remember Me<br /></label></li>\n
<li><label><input type='submit' name='submit' value='submit' /></label></li>\n
</ol>\n
</fieldset>\n
</form>\n";
/*******************************************************************
*
* if the submit button was pressed the form was
* was in the browser and needs processing (and error checking),
* $showform = 'process';
*
* if the submit button was not pressed then
* deliver the form to start the process
* $showform = 'show';
*
******************************************************************/
if ( isset ($_POST['submit']) ){
$box1 = new Tbox("Uname", $_POST['Uname'], "Username");
$box2 = new Tbox("pwd", $_POST['pwd'], "Password");
if( $box1 -> checkNotNull() || $box2 -> checkNotNull() ){
$showform = 'process';
} // if
}else{
$showform = 'show';
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta name="description" content="The Department of Computer Information Systems at
Buffalo State College provides a four year undergraduate degree program in information
technology, systems administration, network administration, internet programming, database
programming, and project management." />
<meta name="keywords" content="buffalo state college, computer information systems, cis,
buffalo, undergraduate, IT, college, SUNY, State University of New York, Buff state,
information technology, 475, CIS-475, CIS475, internet programming, xhtml, css, javascript,
dom, php, mysql" />
<title>Form Delivery</title>
<link rel="stylesheet" type="text/css" href="../style/cis.css" />
<style type="text/css">
fieldset {
border: none;
}
fieldset li {
list-style: none;
padding: 5px;
margin: 0;
}
</style>
<body link="#FFF" alink="#006699" vlink="#CCC">
</head>
<body>
<div id="header">Duy Nguyen</div>
<div id="center" class="column">
<h1 align="center">Login Form</h1>
<?
switch($showform){
case 'process':
?>
<form method='post' action='links.php'>
<fieldset>
<ol>
<? $box1 -> giveForm(); ?>
<? $box2 -> giveForm(); ?>
<li><label><input type='submit' name='submit' value='submit' /></label></li>
</ol>
</fieldset>
</form>
<?
/*************************************************************************
* case show is entered if the we are visiting the page for the first time
*************************************************************************/
case 'show':
print $theform;
break;
?>
</div>
<div id="left" class="column">
<h2 align="center">Site Navigation</h2>
<a href="../index.php">Home</a><p />
<p> </p> <p> </p><p> </p><p> </p><p> </p><p> </p>
<p> </p><p> </p><p> </p><p> </p><p> </p><p> </p>
<p> </p><p> </p><p> </p><p> </p><p> </p><p> </p>
</div>
<div id="right" class="column">
<h2 align="center">Dummy Sites</h2>
<a href="http://www.yahoo.com">Yahoo!</a><p />
<a href="http://www.google.com">Google</a><p />
<a href="http://www.facebook.com">Facebook</a><p />
<a href="http://www.scionlife.com">Scionlife</a><p />
<a href="http://www.ebay.com">Ebay</a><p />
<a href="http://www.buffalostate.edu">Buffalo State </a><p />
<a href="http://www.amazon.com">Amazon</a>
<p> </p><p> </p><p> </p><p> </p><p> </p><p> </p>
<p> </p><p> </p><p> </p><p> </p><p> </p><p> </p>
</div>
<div id="footer">Computer Information Systems @ Buffalo State College,
Spring 2010</div>
</body>
</html>