function isUserLoggedIn() { if (isset($_SESSION['username'])) { return true; } else { if (isset($_COOKIE['username']) || isset($_COOKIE['password'])) { $cookieUsername = $_COOKIE['username']; $cookiePassword = $_COOKIE['password']; $profile = new profile(); if ($profile->isLoginDetailsAreValid($_COOKIE['username'], $_COOKIE['password'])) { $_SESSION['username'] = $_COOKIE['username']; return true; } else { return false; } } else { return false; } } }