Php login page project with source code
php login form source code free download
1. Login And Registration Form Using Php & MySQL [Php Login System In Hindi]
login and registration form in php source code
Here is the description of the files and their functionality! config.php - Configure database login.php - Allows user to login register.php - Allows user to login welcome.php - If user was able to login redirect him to welcome page logout.php - Allows user to logout
1.Code config.php
<?php
/*
This file contains database configuration assuming you are running mysql using user "root" and password ""
*/
define('DB_SERVER', 'localhost');
define('DB_USERNAME', 'root');
define('DB_PASSWORD', '');
define('DB_NAME', 'login');
// Try connecting to the Database
$conn = mysqli_connect(DB_SERVER, DB_USERNAME, DB_PASSWORD, DB_NAME);
//Check the connection
if($conn == false){
dir('Error: Cannot connect');
}
?>
2. Code register.php
<?php
require_once "config.php";
$username = $password = $confirm_password = "";
$username_err = $password_err = $confirm_password_err = "";
if ($_SERVER['REQUEST_METHOD'] == "POST"){
// Check if username is empty
if(empty(trim($_POST["username"]))){
$username_err = "Username cannot be blank";
}
else{
$sql = "SELECT id FROM users WHERE username = ?";
$stmt = mysqli_prepare($conn, $sql);
if($stmt)
{
mysqli_stmt_bind_param($stmt, "s", $param_username);
// Set the value of param username
$param_username = trim($_POST['username']);
// Try to execute this statement
if(mysqli_stmt_execute($stmt)){
mysqli_stmt_store_result($stmt);
if(mysqli_stmt_num_rows($stmt) == 1)
{
$username_err = "This username is already taken";
}
else{
$username = trim($_POST['username']);
}
}
else{
echo "Something went wrong";
}
}
}
mysqli_stmt_close($stmt);
// Check for password
if(empty(trim($_POST['password']))){
$password_err = "Password cannot be blank";
}
elseif(strlen(trim($_POST['password'])) < 5){
$password_err = "Password cannot be less than 5 characters";
}
else{
$password = trim($_POST['password']);
}
// Check for confirm password field
if(trim($_POST['password']) != trim($_POST['confirm_password'])){
$password_err = "Passwords should match";
}
// If there were no errors, go ahead and insert into the database
if(empty($username_err) && empty($password_err) && empty($confirm_password_err))
{
$sql = "INSERT INTO users (username, password) VALUES (?, ?)";
$stmt = mysqli_prepare($conn, $sql);
if ($stmt)
{
mysqli_stmt_bind_param($stmt, "ss", $param_username, $param_password);
// Set these parameters
$param_username = $username;
$param_password = password_hash($password, PASSWORD_DEFAULT);
// Try to execute the query
if (mysqli_stmt_execute($stmt))
{
header("location: login.php");
}
else{
echo "Something went wrong... cannot redirect!";
}
}
mysqli_stmt_close($stmt);
}
mysqli_close($conn);
}
?>
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>PHP login system!</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Php Login System</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="register.php">Register</a>
</li>
<li class="nav-item">
<a class="nav-link" href="login.php">Login</a>
</li>
<li class="nav-item">
<a class="nav-link" href="logout.php">Logout</a>
</li>
</ul>
</div>
</nav>
<div class="container mt-4">
<h3>Please Register Here:</h3>
<hr>
<form action="" method="post">
<div class="form-row">
<div class="form-group col-md-6">
<label for="inputEmail4">Username</label>
<input type="text" class="form-control" name="username" id="inputEmail4" placeholder="Email">
</div>
<div class="form-group col-md-6">
<label for="inputPassword4">Password</label>
<input type="password" class="form-control" name ="password" id="inputPassword4" placeholder="Password">
</div>
</div>
<div class="form-group">
<label for="inputPassword4">Confirm Password</label>
<input type="password" class="form-control" name ="confirm_password" id="inputPassword" placeholder="Confirm Password">
</div>
<div class="form-group">
<label for="inputAddress2">Address 2</label>
<input type="text" class="form-control" id="inputAddress2" placeholder="Apartment, studio, or floor">
</div>
<div class="form-row">
<div class="form-group col-md-6">
<label for="inputCity">City</label>
<input type="text" class="form-control" id="inputCity">
</div>
<div class="form-group col-md-4">
<label for="inputState">State</label>
<select id="inputState" class="form-control">
<option selected>Choose...</option>
<option>...</option>
</select>
</div>
<div class="form-group col-md-2">
<label for="inputZip">Zip</label>
<input type="text" class="form-control" id="inputZip">
</div>
</div>
<div class="form-group">
<div class="form-check">
<input class="form-check-input" type="checkbox" id="gridCheck">
<label class="form-check-label" for="gridCheck">
Check me out
</label>
</div>
</div>
<button type="submit" class="btn btn-primary">Sign in</button>
</form>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
3.Code login.php
<?php
//This script will handle login
session_start();
// check if the user is already logged in
if(isset($_SESSION['username']))
{
header("location: welcome.php");
exit;
}
require_once "config.php";
$username = $password = "";
$err = "";
// if request method is post
if ($_SERVER['REQUEST_METHOD'] == "POST"){
if(empty(trim($_POST['username'])) || empty(trim($_POST['password'])))
{
$err = "Please enter username + password";
}
else{
$username = trim($_POST['username']);
$password = trim($_POST['password']);
}
if(empty($err))
{
$sql = "SELECT id, username, password FROM users WHERE username = ?";
$stmt = mysqli_prepare($conn, $sql);
mysqli_stmt_bind_param($stmt, "s", $param_username);
$param_username = $username;
// Try to execute this statement
if(mysqli_stmt_execute($stmt)){
mysqli_stmt_store_result($stmt);
if(mysqli_stmt_num_rows($stmt) == 1)
{
mysqli_stmt_bind_result($stmt, $id, $username, $hashed_password);
if(mysqli_stmt_fetch($stmt))
{
if(password_verify($password, $hashed_password))
{
// this means the password is corrct. Allow user to login
session_start();
$_SESSION["username"] = $username;
$_SESSION["id"] = $id;
$_SESSION["loggedin"] = true;
//Redirect user to welcome page
header("location: welcome.php");
}
}
}
}
}
}
?>
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>PHP login system!</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Php Login System</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="register.php">Register</a>
</li>
<li class="nav-item">
<a class="nav-link" href="login.php">Login</a>
</li>
<li class="nav-item">
<a class="nav-link" href="logout.php">Logout</a>
</li>
</ul>
</div>
</nav>
<div class="container mt-4">
<h3>Please Login Here:</h3>
<hr>
<form action="" method="post">
<div class="form-group">
<label for="exampleInputEmail1">Username</label>
<input type="text" name="username" class="form-control" id="exampleInputEmail1" aria-describedby="emailHelp" placeholder="Enter Username">
</div>
<div class="form-group">
<label for="exampleInputPassword1">Password</label>
<input type="password" name="password" class="form-control" id="exampleInputPassword1" placeholder="Enter Password">
</div>
<div class="form-group form-check">
<input type="checkbox" class="form-check-input" id="exampleCheck1">
<label class="form-check-label" for="exampleCheck1">Check me out</label>
</div>
<button type="submit" class="btn btn-primary">Submit</button>
</form>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
4.welcome.php
<?php
session_start();
if(!isset($_SESSION['loggedin']) || $_SESSION['loggedin'] !==true)
{
header("location: login.php");
}
?>
<!doctype html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>PHP login system!</title>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<a class="navbar-brand" href="#">Php Login System</a>
<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNavDropdown" aria-controls="navbarNavDropdown" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarNavDropdown">
<ul class="navbar-nav">
<li class="nav-item active">
<a class="nav-link" href="#">Home <span class="sr-only">(current)</span></a>
</li>
<li class="nav-item">
<a class="nav-link" href="register.php">Register</a>
</li>
<li class="nav-item">
<a class="nav-link" href="login.php">Login</a>
</li>
<li class="nav-item">
<a class="nav-link" href="logout.php">Logout</a>
</li>
</ul>
<div class="navbar-collapse collapse">
<ul class="navbar-nav ml-auto">
<li class="nav-item active">
<a class="nav-link" href="#"> <img src="https://img.icons8.com/metro/26/000000/guest-male.png"> <?php echo "Welcome ". $_SESSION['username']?></a>
</li>
</ul>
</div>
</div>
</nav>
<div class="container mt-4">
<h3><?php echo "Welcome ". $_SESSION['username']?>! You can now use this website</h3>
<hr>
</div>
<!-- Optional JavaScript -->
<!-- jQuery first, then Popper.js, then Bootstrap JS -->
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>
5.logout.php
<?php
session_start();
$_SESSION = array();
session_destroy();
header("location: login.php");
?>
download full source code
Make sure to replace placeholder values in the code (such as database credentials) with your actual information. Also, this is a basic example and lacks security features such as password hashing and SQL injection prevention. In a real-world application, you should use prepared statements for database queries and store hashed passwords for better security.
