PHP

how to link a external modules using href in php

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how to link a external modules using href in php

<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>