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- <?php
- // database Connection variables
- define('HOST', 'localhost'); // Database host name ex. localhost
- define('USER', 'root'); // Database user. ex. root ( if your on local server)
- define('PASSWORD', ''); // user password (if password is not set for user then keep it empty )
- define('DATABASE', 'databasename'); // Database Database name
- function DB()
- {
- try {
- $db = new PDO('mysql:host='.HOST.';dbname='.DATABASE.'', USER, PASSWORD);
- return $db;
- } catch (PDOException $e) {
- return "Error!: " . $e->getMessage();
- die();
- }
- }
- ?>
- <div class="row">
- <div class="col-md-5 well">
- <h4>Login</h4>
- <?php
- if ($login_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $login_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Username/Email</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnLogin" class="btn btn-primary" value="Login"/>
- </div>
- </form>
- </div>
- </div>
- <div class="row">
- <div class="col-md-5 well">
- <h4>Register</h4>
- <?php
- if ($register_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $register_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Name</label>
- <input type="text" name="name" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Email</label>
- <input type="email" name="email" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Username</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnRegister" class="btn btn-primary" value="Register"/>
- </div>
- </form>
- </div>
- </div>
- <?php
- // Start Session
- session_start();
- // Database connection
- require __DIR__ . '/database.php';
- $db = DB();
- // Application library ( with DemoLib class )
- require __DIR__ . '/lib/library.php';
- $app = new DemoLib();
- $login_error_message = '';
- $register_error_message = '';
- // check Login request
- if (!empty($_POST['btnLogin'])) {
- $username = trim($_POST['username']);
- $password = trim($_POST['password']);
- if ($username == "") {
- $login_error_message = 'Username field is required!';
- } else if ($password == "") {
- $login_error_message = 'Password field is required!';
- } else {
- $user_id = $app->Login($username, $password); // check user login
- if($user_id > 0)
- {
- $_SESSION['user_id'] = $user_id; // Set Session
- header("Location: profile.php"); // Redirect user to the profile.php
- }
- else
- {
- $login_error_message = 'Invalid login details!';
- }
- }
- }
- // check Register request
- if (!empty($_POST['btnRegister'])) {
- if ($_POST['name'] == "") {
- $register_error_message = 'Name field is required!';
- } else if ($_POST['email'] == "") {
- $register_error_message = 'Email field is required!';
- } else if ($_POST['username'] == "") {
- $register_error_message = 'Username field is required!';
- } else if ($_POST['password'] == "") {
- $register_error_message = 'Password field is required!';
- } else if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
- $register_error_message = 'Invalid email address!';
- } else if ($app->isEmail($_POST['email'])) {
- $register_error_message = 'Email is already in use!';
- } else if ($app->isUsername($_POST['username'])) {
- $register_error_message = 'Username is already in use!';
- } else {
- $user_id = $app->Register($_POST['name'], $_POST['email'], $_POST['username'], $_POST['password']);
- // set session and redirect user to the profile page
- $_SESSION['user_id'] = $user_id;
- header("Location: profile.php");
- }
- }
- ?>
- <!doctype html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Home</title>
- <!-- Latest compiled and minified CSS -->
- <link rel="stylesheet" href="css/bootstrap.min.css">
- </head>
- <body>
- <div class="container">
- <div class="row">
- <div class="col-md-12">
- <h2>
- PHP Login Registration System with PDO Connection using SHA-256 Cryptographic Hash Algorithm to store Password
- </h2>
- </div>
- </div>
- <div class="form-group">
- Note: .
- </div>
- <div class="row">
- <div class="col-md-5 well">
- <h4>Register</h4>
- <?php
- if ($register_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $register_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Name</label>
- <input type="text" name="name" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Email</label>
- <input type="email" name="email" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Username</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnRegister" class="btn btn-primary" value="Register"/>
- </div>
- </form>
- </div>
- <div class="col-md-2"></div>
- <div class="col-md-5 well">
- <h4>Login</h4>
- <?php
- if ($login_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $login_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Username/Email</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnLogin" class="btn btn-primary" value="Login"/>
- </div>
- </form>
- </div>
- </div>
- </div>
- </body>
- </html>
- <?php
- // Start Session
- session_start();
- // Database connection
- require __DIR__ . '/database.php';
- $db = DB();
- // Application library ( with DemoLib class )
- require __DIR__ . '/lib/library.php';
- $app = new DemoLib();
- $login_error_message = '';
- $register_error_message = '';
- // check Login request
- if (!empty($_POST['btnLogin'])) {
- $username = trim($_POST['username']);
- $password = trim($_POST['password']);
- if ($username == "") {
- $login_error_message = 'Username field is required!';
- } else if ($password == "") {
- $login_error_message = 'Password field is required!';
- } else {
- $user_id = $app->Login($username, $password); // check user login
- if($user_id > 0)
- {
- $_SESSION['user_id'] = $user_id; // Set Session
- header("Location: profile.php"); // Redirect user to the profile.php
- }
- else
- {
- $login_error_message = 'Invalid login details!';
- }
- }
- }
- // check Register request
- if (!empty($_POST['btnRegister'])) {
- if ($_POST['name'] == "") {
- $register_error_message = 'Name field is required!';
- } else if ($_POST['email'] == "") {
- $register_error_message = 'Email field is required!';
- } else if ($_POST['username'] == "") {
- $register_error_message = 'Username field is required!';
- } else if ($_POST['password'] == "") {
- $register_error_message = 'Password field is required!';
- } else if (!filter_var($_POST['email'], FILTER_VALIDATE_EMAIL)) {
- $register_error_message = 'Invalid email address!';
- } else if ($app->isEmail($_POST['email'])) {
- $register_error_message = 'Email is already in use!';
- } else if ($app->isUsername($_POST['username'])) {
- $register_error_message = 'Username is already in use!';
- } else {
- $user_id = $app->Register($_POST['name'], $_POST['email'], $_POST['username'], $_POST['password']);
- // set session and redirect user to the profile page
- $_SESSION['user_id'] = $user_id;
- header("Location: profile.php");
- }
- }
- ?>
- <!doctype html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Home</title>
- <!-- Latest compiled and minified CSS -->
- <link rel="stylesheet" href="css/bootstrap.min.css">
- </head>
- <body>
- <div class="container">
- <div class="row">
- <div class="col-md-12">
- <h2>
- link
- </h2>
- </div>
- </div>
- <div class="form-group">
- Note: welcome
- </div>
- <div class="row">
- <div class="col-md-5 well">
- <h4>Register</h4>
- <?php
- if ($register_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $register_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Name</label>
- <input type="text" name="name" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Email</label>
- <input type="email" name="email" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Username</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnRegister" class="btn btn-primary" value="Register"/>
- </div>
- </form>
- </div>
- <div class="col-md-2"></div>
- <div class="col-md-5 well">
- <h4>Login</h4>
- <?php
- if ($login_error_message != "") {
- echo '<div class="alert alert-danger"><strong>Error: </strong> ' . $login_error_message . '</div>';
- }
- ?>
- <form action="index.php" method="post">
- <div class="form-group">
- <label for="">Username/Email</label>
- <input type="text" name="username" class="form-control"/>
- </div>
- <div class="form-group">
- <label for="">Password</label>
- <input type="password" name="password" class="form-control"/>
- </div>
- <div class="form-group">
- <input type="submit" name="btnLogin" class="btn btn-primary" value="Login"/>
- </div>
- </form>
- </div>
- </div>
- </div>
- </body>
- </html>
- <?php
- // Start Session
- session_start();
- // check user login
- if(empty($_SESSION['user_id']))
- {
- header("Location: index.php");
- }
- // Database connection
- require __DIR__ . '/database.php';
- $db = DB();
- // Application library ( with DemoLib class )
- require __DIR__ . '/lib/library.php';
- $app = new DemoLib();
- $user = $app->UserDetails($_SESSION['user_id']); // get user details
- ?>
- <!doctype html>
- <html lang="en">
- <head>
- <meta charset="UTF-8">
- <title>Profile</title>
- <!-- Latest compiled and minified CSS -->
- <link rel="stylesheet" href="css/bootstrap.min.css">
- </head>
- <body>
- <div class="container">
- <div class="well">
- <h2>
- Profile
- </h2>
- <h3>Hello <?php echo $user->name ?>,</h3>
- <p>
- Lorem ipsum dolor sit amet, consectetur adipisicing elit. Consectetur deserunt dolore fuga labore magni maxime, quaerat reiciendis tenetur? Accusantium blanditiis doloribus earum error inventore laudantium nesciunt quis reprehenderit ullam vel?
- </p>
- <a href="logout.php" class="btn btn-primary">Logout</a>
- </div>
- </div>
- </body>
- </html>
- <?php
- /**
- * Tutorial: PHP Login Registration system
- *
- * Page : Logout
- */
- // start session
- session_start();
- // Destroy user session
- unset($_SESSION['user_id']);
- // Redirect to index.php page
- header("Location: index.php");
- ?>
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