I have a dynamic table consisting of all user details and also a link on click it directs to another page where we can view specific course detail about a specific user.. My problem is that i wish to hide the ID and can't use the post method as well.. Is there any way to hide the url or any method to do this

echo "<td>"  . $lead['lastname'] . "</td>";
echo "<td>" .'<a href="course_complete_sup.php?id'.$row1['userid'].'" class="lien2" value='.$row1['userid'].'/>Course Completed</a>' ."</td>" ;
echo "<td>" .'<a href="course_progress_sup.php?id='.$row1['userid'].'" class="lien2" value='.$row1['userid'].'/>Course Progress</a>' ."</td>" ;
echo 

Thx