//establishing the connection $databaseHost = 'localhost'; $databaseName = 'myDatabase'; $databaseUsername = 'myUsername'; $databasePassword = 'myPassword'; $mysqli = mysqli_connect($databaseHost, $databaseUsername, $databasePassword, $databaseName); //saving user data $username = $_POST['username']; $email = $_POST['email']; $password = password_hash($_POST['password'], PASSWORD_DEFAULT); $query = "INSERT INTO users (username, email, password) VALUES ('$username', '$email', '$password')"; $mysqli->query($query);
//saving user data $username = $_POST['username']; $email = $_POST['email']; $password = password_hash($_POST['password'], PASSWORD_DEFAULT); $data = "$username|$email|$password\n"; file_put_contents('users.txt', $data, FILE_APPEND | LOCK_EX);
//saving user data $username = $_POST['username']; $email = $_POST['email']; $_SESSION['username'] = $username; $_SESSION['email'] = $email;In all of the above examples, the PHP package library used is the core PHP library. However, for more advanced user authentication and authorization features, you may want to use a third-party library such as Laravel, Symfony, or CodeIgniter.