query("INSERT INTO `student_messages` (`id`, `timestamp`, `student_id`, `message`) VALUES (NULL, CURRENT_TIMESTAMP, '".$_GET['id']."', '".$_POST['message']."')");
echo '';
}
$get = $con->query("SELECT * FROM students where id = '".$_GET['id']."'")->fetch_assoc();
if($_GET['action']=='del')
{
$con->query("DELETE FROM student_messages where id = '".$_GET['message_id']."'");
echo '';
}
?>