PHP Login
Example
PHP login with
session
Php
login script is used to provide the authentication for our web pages. the Script executes after submitting the user login button.
Login Page
Login page should be as follows and works based on
session. If the user close the session, it will erase the session data.
<?php
ob_start();
session_start();
?>
<?
// error_reporting(E_ALL);
// ini_set("display_errors", 1);
?>
<html lang = "en">
<head>
<title>Tutorialspoint.com</title>
<link href = "css/bootstrap.min.css" rel = "stylesheet">
<style>
body {
padding-top: 40px;
padding-bottom: 40px;
background-color: #ADABAB;
}
.form-signin {
max-width: 330px;
padding: 15px;
margin: 0 auto;
color: #017572;
}
.form-signin .form-signin-heading,
.form-signin .checkbox {
margin-bottom: 10px;
}
.form-signin .checkbox {
font-weight: normal;
}
.form-signin .form-control
{
position: relative;
height: auto;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
padding: 10px;
font-size: 16px;
}
.form-signin .form-control:focus {
z-index: 2;
}
.form-signin input[type="email"] {
margin-bottom: -1px;
border-bottom-right-radius: 0;
border-bottom-left-radius: 0;
border-color:#017572;
}
.form-signin input[type="password"] {
margin-bottom: 10px;
border-top-left-radius: 0;
border-top-right-radius: 0;
border-color:#017572;
}
h2{
text-align: center;
color: #017572;
}
</style>
</head>
<body>
<h2>Enter Username and Password</h2>
<div class = "container
form-signin">
<?php
$msg = '';
if (isset($_POST['login']) && !empty($_POST['username'])
&& !empty($_POST['password'])) {
if ($_POST['username'] == 'tutorialspoint' &&
$_POST['password'] == '1234') {
$_SESSION['valid'] = true;
$_SESSION['timeout'] = time();
$_SESSION['username'] = 'tutorialspoint';
echo
'You have entered valid use name and
password';
}else {
$msg
= 'Wrong username or password';
}
}
?>
</div> <!--
/container -->
<div class = "container">
<form class = "form-signin" role = "form"
action =
"<?php echo htmlspecialchars($_SERVER['PHP_SELF']);
?>" method = "post">
<h4 class = "form-signin-heading"><?php echo $msg; ?></h4>
<input type = "text" class = "form-control"
name = "username" placeholder = "username = tutorialspoint"
required autofocus></br>
<input type = "password" class = "form-control"
name = "password" placeholder = "password = 1234" required>
<button class = "btn btn-lg btn-primary
btn-block" type = "submit"
name = "login">Login</button>
</form>
Click here to clean <a href = "logout.php" tite = "Logout">Session.
</div>
</body>
</html>
Logout.php
It will erase the session data.
<?php
session_start();
unset($_SESSION["username"]);
unset($_SESSION["password"]);
echo 'You have cleaned session';
header('Refresh:
2; URL = login.php');
?>
It will produce the following result −
Enter Username and Password
Login
Click here to clean Session.