********login*************
<form action="checklogin.php" method="post">
<table>
<tr>
<td>Loginid:</td>
<tD><input type="text" name="t1"></td>
</tr>
<tr>
<td>Password:</td>
<tD><input type="password" name="t2"></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="submit">
</tr>
</table>
</form>
*************chack.php*******
<?php
session_start();
$l=$_REQUEST["t1"];
$p=$_REQUEST["t2"];
$conn=new PDO("mysql:dbname=ssit","root","");
$result=$conn->query("select *From registration where loginid='".$l."' and password='".$p."'");
if($row=$result->fetch())
{
echo "welcome user ".$row["name"];
$_SESSION["u"]=$row["rid"];
?>
<br>
<a href="changeprofile.php">change profile</a>
<?php
}
else
{
header("Location:login.php");
}
?>
*****************sessio**********
<?php
session_start();
?>
<html>
<head>
<title>USe of Data</title>
</head>
<body>
<form action="session4.php" method="post">
<?php
if(isset($_SESSION['t1']))
{
echo "Welcome".$_SESSION['t1'];
?>
<input type="submit" name="submit" value="Logout" />
<?php
}
else
{
header("Location:session.php");
}
?>
</form>
</body>
</html>
***********************4**********
<?php
session_start();
session_destroy();
header("Location:session.php");
?>
<form action="checklogin.php" method="post">
<table>
<tr>
<td>Loginid:</td>
<tD><input type="text" name="t1"></td>
</tr>
<tr>
<td>Password:</td>
<tD><input type="password" name="t2"></td>
</tr>
<tr>
<td> </td>
<td><input type="submit" value="submit">
</tr>
</table>
</form>
*************chack.php*******
<?php
session_start();
$l=$_REQUEST["t1"];
$p=$_REQUEST["t2"];
$conn=new PDO("mysql:dbname=ssit","root","");
$result=$conn->query("select *From registration where loginid='".$l."' and password='".$p."'");
if($row=$result->fetch())
{
echo "welcome user ".$row["name"];
$_SESSION["u"]=$row["rid"];
?>
<br>
<a href="changeprofile.php">change profile</a>
<?php
}
else
{
header("Location:login.php");
}
?>
*****************sessio**********
<?php
session_start();
?>
<html>
<head>
<title>USe of Data</title>
</head>
<body>
<form action="session4.php" method="post">
<?php
if(isset($_SESSION['t1']))
{
echo "Welcome".$_SESSION['t1'];
?>
<input type="submit" name="submit" value="Logout" />
<?php
}
else
{
header("Location:session.php");
}
?>
</form>
</body>
</html>
***********************4**********
<?php
session_start();
session_destroy();
header("Location:session.php");
?>