<?php
if(isset($_SESSION['message']))
{
?>
<div class="alert alert-warning alert-dismissible fade show" role="alert">
<?= $_SESSION['message']; ?>
<button type="button" class="close" data-dismiss="alert" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<?php
unset($_SESSION['message']);
}
?>