how to link a external modules using href in php

1<!-- Modal -->
2    <div class="modal fade" id="editBox" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
3      <div class="modal-dialog" role="document">
4        <div class="modal-content">
5          <div class="modal-header">
6            <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
7            <h4 class="modal-title" id="myModalLabel">Modal title</h4>
8          </div>
9          <div class="modal-body">
10            <?php var_dump($_GET)?>
11          </div>
12          <div class="modal-footer">
13            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
14            <button type="button" class="btn btn-primary">Save changes</button>
15          </div>
16        </div>
17      </div>
18    </div>

1<td><span data-placement="top" data-toggle="tooltip" title="Show"><a href="#" class="btn btn-primary btn-xs" data-toggle="modal" data-target="#editBox" data-book-id="<?php echo $obj->id;?>"><span class="glyphicon glyphicon-pencil"></span></a></span></td>