=$_SESSION['signin-success']; unset($_SESSION['signin-success']); ?>
=$_SESSION['add-post']; unset($_SESSION['add-post']); ?>
=$_SESSION['add-post-success']; unset($_SESSION['add-post-success']); ?>
=$_SESSION['edit-post']; unset($_SESSION['edit-post']); ?>
=$_SESSION['edit-post-success']; unset($_SESSION['edit-post-success']); ?>