/**
  * Manage permissions
  * @requiresRight id GRANT
  */
 public function adminPermissions()
 {
     $resource = new \core_kernel_classes_Resource($this->getRequestParameter('id'));
     $accessRights = AdminService::getUsersPermissions($resource->getUri());
     $this->setData('privileges', PermissionProvider::getRightLabels());
     $users = array();
     $roles = array();
     foreach ($accessRights as $uri => $privileges) {
         $identity = new \core_kernel_classes_Resource($uri);
         if ($identity->isInstanceOf(\tao_models_classes_RoleService::singleton()->getRoleClass())) {
             $roles[$uri] = array('label' => $identity->getLabel(), 'privileges' => $privileges);
         } else {
             $users[$uri] = array('label' => $identity->getLabel(), 'privileges' => $privileges);
         }
     }
     $this->setData('users', $users);
     $this->setData('roles', $roles);
     $this->setData('isClass', $resource->isClass());
     $this->setData('uri', $resource->getUri());
     $this->setData('label', _dh($resource->getLabel()));
     $this->setView('AdminAccessController/index.tpl');
 }
<?php

/**  
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 * 
 * Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
 *               
 * 
 */
require_once dirname(__FILE__) . '/../includes/raw_start.php';
$dbWrapper = core_kernel_classes_DbWrapper::singleton();
$statement = $dbWrapper->query('SELECT DISTINCT "subject" FROM "statements" WHERE "predicate" in (\'' . RDFS_LABEL . '\',\'' . RDFS_COMMENT . '\')');
while ($r = $statement->fetch()) {
    $subject = new core_kernel_classes_Resource($r['subject']);
    if (!$subject->exists() && !$subject->isClass()) {
        echo $subject->getUri() . ' has corpses' . PHP_EOL;
    }
}