Solution:
Html file :
<html>
<body>
<form action="slip_4-1.php" method="post">
<center>
<h2> Enter Username : <input type="text" name="name"> </h2>
<h2> Enter Password : <input type="text" name="pwd"> </h2>
<input type="submit" value="Login">
</center>
</form>
</body>
</html>
slip_4-1.php :
<?php
session_start();
$t=date("1,d-m-y h:i:s",time()+20);
if($_REQUEST['name']=='xyz’ && $_REQUEST['pwd']=='xyz')
{
?>
<html>
<body>
<h1> <u><center>enter ur details</center></u> </h1>
<form action="slip_4-2.php" method=get>
<input type='hidden' name='etime' value="<?php echo $t?>">
<h2> Enter Name : <input type=textbox name=uname> </h2><br>
<h2> Enter City : <input type=textbox name=city> </h2><br>
<h2> Enter Phone No : <input type=textbox name=pno> </h2><br>
<input type=submit name=submit value=DISPLAY>
</form>
</body>
</html>
<?php
}
else echo "<center><h1>Invalid Username Or Password</h1></center>"
?>
slip_4-2.php :
<?php
session_start();
$t=$_REQUEST['etime'];
$exp=date("1,d-m-y h:i:s",time());
if($t<$exp)
echo "<center><h1>Page Time Expired</h1></center>";
else
{
echo "<center><h2>Name : ".$_REQUEST['uname']."</h2></center>";
echo "<center><h2>City : ".$_REQUEST['city']."</h2></center>";
echo "<center><h2>Phone NO : ".$_REQUEST['pno']."</h2></center>";
session_destroy();
}
?>
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