namenspace Fragen?

class MarkThreadModeratedAction extends AbstractSecureAction {
    protected $threadID;
    protected $reason = '';
    protected $setAction = '';
    protected $url = '';
    
    /**
     * @see AbstractSecureAction::readParameters()
     */
    public function readParameters() {
        parent::readParameters();
        
        //get threadID
        if (isset($_REQUEST['threadID']) && isset($_REQUEST['reason']) && isset($_REQUEST['setAction']) && isset($_REQUEST['url'])) { 
            $this->threadID = intval($_REQUEST['threadID']);
            if (!empty($_REQUEST['reason'])) {
                $this->reason = escapeString($_REQUEST['reason']);
            }
            $this->setAction = escapeString($_REQUEST['setAction']);
            $this->url = escapeString($_REQUEST['url']);
        } else {
            throw new IllegalLinkException();
        }
        
        //check permission
        if (!WCF::getUser()->getPermission('mod.board.thread.canSetThreadAsModerated')) {
            throw new PermissionDeniedException();
        }    
    }
    
    /**
     * @see AbstractAction::execute()
     */
    public function execute() {
        parent::execute();
        
        // set thread state
        if ($this->setAction == 'setModerated') {
            $sql = "UPDATE    wbb".WBB_N."_thread
                SET    isMarkedModerated = 1,
                    isModeratedByUserID = ".WCF::getUser()->userID.",
                    isModeratedByUserName = '".WCF::getUser()->username."',
                    isModeratedReason = '".$this->reason."',
                    isModeratedTime = ".TIME_NOW."
                WHERE    threadID = ".$this->threadID;
            WCF::getDB()->sendQuery($sql);
        }
        elseif ($this->setAction == 'unsetModerated') {
            $sql = "UPDATE    wbb".WBB_N."_thread
                SET    isMarkedModerated = 0,
                    isModeratedByUserID = 0,
                    isModeratedByUserName = '',
                    isModeratedReason = '',
                    isModeratedTime = 0
                WHERE    threadID = ".$this->threadID;
            WCF::getDB()->sendQuery($sql);
        }
        else {
            throw new IllegalLinkException();
        }
        
        $this->executed();
        
        // redirect to previous page
        HeaderUtil::redirect($this->url.SID_ARG_2ND_NOT_ENCODED);
        exit;
    }
}
?>