gistfile1.phtml

$email_body = '<table width="800px" cellspacing="0" cellpadding="5" border="1" style="border-collapse: collapse;">'
   	                     . '<tr><th>ID</th> <th>Task Name</th> <th>Assigned Date</th> <th>Action</th> </tr>';

$task_view_link = '<a href="' . APP_URL . '/issues/view/' . $issue_id . '">' . $task_name . '</a>';
                $close_issue = '<a href="' . APP_URL  . '/issues/email_close_issue/' . $issue_id . '/' . $issue_close_string . '">Close Task</a>';
                $email_body .= '<tr><td>' . $issue_id . ' </td><td>' .  $task_view_link . '</td><td>' . $target_email_date . '</td><td>' . $close_issue . '</td></tr>';

$email_body .='</table>';