Example Php Login Code
<?php
// Check if the form is submitted
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
// Get user input from the login form
$username = $_POST['username'];
$password = $_POST['password'];
// Validate the user input (you should perform more robust validation in a real application)
if ($username === 'example' && $password === 'password') {
// Authentication successful
session_start();
$_SESSION['username'] = $username;
header('Location: dashboard.php'); // Redirect to a dashboard or home page
exit();
} else {
// Authentication failed
$error_message = 'Invalid username or password';
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Login Page</title>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f4f4f4;
}
.login-container {
width: 300px;
margin: 100px auto;
padding: 20px;
background-color: #fff;
border: 1px solid #ccc;
border-radius: 5px;
}
.form-group {
margin-bottom: 15px;
}
label {
display: block;
margin-bottom: 5px;
}
input {
width: 100%;
padding: 8px;
box-sizing: border-box;
}
.error-message {
color: #ff0000;
margin-bottom: 10px;
}
.login-btn {
background-color: #4caf50;
color: #fff;
padding: 10px;
border: none;
border-radius: 3px;
cursor: pointer;
}
</style>
</head>
<body>
<div class="login-container">
<h2>Login</h2>
<?php if (isset($error_message)) { ?>
<p class="error-message"><?php echo $error_message; ?></p>
<?php } ?>
<form method="post" action="">
<div class="form-group">
<label for="username">Username:</label>
<input type="text" id="username" name="username" required>
</div>
<div class="form-group">
<label for="password">Password:</label>
<input type="password" id="password" name="password" required>
</div>
<div class="form-group">
<button type="submit" class="login-btn">Login</button>
</div>
</form>
</div>
</body>
</html>
This example includes a basic HTML form with fields for a username and password. The PHP script at the top handles form submission, checks the credentials, and sets a session variable upon successful login. Note that you should replace the simple check for credentials with a more secure authentication mechanism in a real-world application.
