Log in '; exit(); // exit the current script, no value is returned } if (isset($_POST['user'])) { $user = trim($_POST['user']); if (!ctype_alnum($user)) // ctype_alnum() check if the values contain only alphanumeric data reject('User Name'); if (isset($_POST['pwd'])) { $pwd = trim($_POST['pwd']); if (!ctype_alnum($pwd)) reject('Password'); else { // setcookie(name, value, expiery-time) // setcookie() function stores the submitted fields' name/value pair setcookie('user', $user, time()+3600); // setcookie('pwd', md5($pwd), time()+3600); // create a hash conversion of password values using md5() function // setcookie('pwd', password_hash($pwd, PASSWORD_DEFAULT), time()+3600); // password_hash() requires at least PHP5.5 // setcookie('pwd', password_hash($pwd, PASSWORD_BCRYPT), time()+3600); // relocate the browser to another page using the header() function to specify the target URL header('Location: cookie-get.php'); } } } else header('Location: cookie-form.html'); ?>