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 <?php
 /**
  *  ocs-webserver
  *
  *  Copyright 2016 by pling GmbH.
  *
  *    This file is part of ocs-webserver.
  *
  *    This program is free software: you can redistribute it and/or modify
  *    it under the terms of the GNU Affero General Public License as
  *    published by the Free Software Foundation, either version 3 of the
  *    License, or (at your option) any later version.
  *
  *    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 Affero General Public License for more details.
  *
  *    You should have received a copy of the GNU Affero General Public License
  *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  **/
 class Backend_Form_Other_Config extends Zend_Form
 {
 
     /**
      * Filter a name to only allow valid variable characters
      *
      * @param  string $value
      * @param  bool $allowBrackets
      * @return string
      */
     public function filterName($value, $allowBrackets = false)
     {
         $charset = '^a-zA-Z0-9_-\x7f-\xff';
         if ($allowBrackets) {
             $charset .= '\[\]';
         }
         return preg_replace('/[' . $charset . ']/', '', (string) $value);
     }
 
 }