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   1  <?php
   2  /**
   3   * Redirect from Special:PermanentLink/### to index.php?oldid=###.
   4   *
   5   * This program is free software; you can redistribute it and/or modify
   6   * it under the terms of the GNU General Public License as published by
   7   * the Free Software Foundation; either version 2 of the License, or
   8   * (at your option) any later version.
   9   *
  10   * This program is distributed in the hope that it will be useful,
  11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13   * GNU General Public License for more details.
  14   *
  15   * You should have received a copy of the GNU General Public License along
  16   * with this program; if not, write to the Free Software Foundation, Inc.,
  17   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18   * http://www.gnu.org/copyleft/gpl.html
  19   *
  20   * @file
  21   * @ingroup SpecialPage
  22   */
  23  
  24  /**
  25   * Redirect from Special:PermanentLink/### to index.php?oldid=###.
  26   *
  27   * @ingroup SpecialPage
  28   */
  29  class SpecialPermanentLink extends RedirectSpecialPage {
  30  	function __construct() {
  31          parent::__construct( 'PermanentLink' );
  32          $this->mAllowedRedirectParams = array();
  33      }
  34  
  35  	function getRedirect( $subpage ) {
  36          $subpage = intval( $subpage );
  37          if ( $subpage === 0 ) {
  38              # throw an error page when no subpage was given
  39              throw new ErrorPageError( 'nopagetitle', 'nopagetext' );
  40          }
  41          $this->mAddedRedirectParams['oldid'] = $subpage;
  42  
  43          return true;
  44      }
  45  }