public static function redirect($returnTo, $fallback = "/")
{
// If a Return URL exists, it will unset it and load that location
if (isset($_SESSION['login']['return_url'])) {
unset($_SESSION['login']['return_url']);
header("Location: " . Sanitize::url($fallback));
exit;
}
// Sets a temporary return URL value (if one doesn't exist)
$_SESSION['login']['return_url'] = $returnTo;
header("Location: /login");
exit;
}
