This will automatically open your modal and re-instantiate a modal when clicking the "x".

Modal Re-instantiate Snippet

// Opens your Modal
$('** My Modal Class **').foundation('open');

// Re-instantiates Modal
$('** My Modal Class **').on('closed.zf.reveal', function() {
  setTimeout(function() {
    $('** My Modal Class **').foundation('open');
  }, 100);
});