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   1  <?php
   2  /**
   3   * Special handling for category pages.
   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   */
  22  
  23  /**
  24   * Special handling for category pages
  25   */
  26  class WikiCategoryPage extends WikiPage {
  27  
  28      /**
  29       * Don't return a 404 for categories in use.
  30       * In use defined as: either the actual page exists
  31       * or the category currently has members.
  32       *
  33       * @return bool
  34       */
  35  	public function hasViewableContent() {
  36          if ( parent::hasViewableContent() ) {
  37              return true;
  38          } else {
  39              $cat = Category::newFromTitle( $this->mTitle );
  40              // If any of these are not 0, then has members
  41              if ( $cat->getPageCount()
  42                  || $cat->getSubcatCount()
  43                  || $cat->getFileCount()
  44              ) {
  45                  return true;
  46              }
  47          }
  48          return false;
  49      }
  50  }