The PHP development team announces the immediate availability of PHP 7.1.4. Several bugs have been fixed. All PHP 7.1 users are encouraged to upgrade to this version.
index.php
<?php session_start();
if(isset($_SESSION['is_login'])){
header('Location:login.php');
exit;
}
if (isset($_POST['submit'])) {
$getUser = $_POST['username'];
$getPass = $_POST['userpass'];
if($getUser=='demo' && $getPass=='demo'){
$_SESSION['set_user'] = $getUser;
$_SESSION['is_login'] = true;
header('Location:login.php');
exit;
} else {
header('Location:index.php');
exit;
}
} else {
?>
<!DOCTYPE html>
<html>
<head>
<title>Login</title>
<style type="text/css">
*{
font-family: arial;
font-size: 12px;
margin: 2px;
}
</style>
</head>
<body>
<form method="post" action="index.php">
<h3>User Login</h3>
Username : <input type="text" name="username"/><br/><br/>
Password : <input type="text" name="userpass"/><br/><br/>
<input type="submit" value="Login" name="submit">
</form>
</body>
</html>
<?php }
?>
login.php
<?php
session_start();
if(!isset($_SESSION['is_login'])){
header('Location:index.php');
exit;
}
if (isset($_POST['submit'])) {
$getUser = $_POST['username'];
$getPass = $_POST['userpass'];
if($getUser=='demo' && $getPass=='demo'){
$_SESSION['set_user'] = $getUser;
$_SESSION['is_login'] = true;
} else {
header('Location:index.php');
exit;
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Welcome Guest</title>
<style type="text/css">
*{
font-family: arial;
font-size: 12px;
}
</style>
</head>
<body>
<h3>Welcome Guest <u><?= $_SESSION['set_user'] ?></u></h3>
<a href="logout.php">Logout</a>
</body>
</html>
logout.php
<?php
session_start();
session_destroy();
header('Location:index.php');
exit;
?>
Output
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