maintenance/clear_interwiki_cache.php

   1 <?php
   2 /**
   3  * This script is used to clear the interwiki links for ALL languages in
   4  * the cache.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  19  * http://www.gnu.org/copyleft/gpl.html
  20  *
  21  * @ingroup Maintenance
  22  */
  23
  24 require_once( dirname( __FILE__ ) . '/Maintenance.php' );
  25
  26 class ClearInterwikiCache extends Maintenance {
  27
  28         public function __construct() {
  29                 parent::__construct();
  30                 $this->mDescription = "Clear all interwiki links for all languages from the cache";
  31         }
  32
  33         public function execute() {
  34                 global $wgLocalDatabases, $wgMemc;
  35                 $dbr = wfGetDB( DB_SLAVE );
  36                 $res = $dbr->select( 'interwiki', array( 'iw_prefix' ), false );
  37                 $prefixes = array();
  38                 foreach ( $res as $row ) {
  39                         $prefixes[] = $row->iw_prefix;
  40                 }
  41
  42                 foreach ( $wgLocalDatabases as $db ) {
  43                         $this->output( "$db..." );
  44                         foreach ( $prefixes as $prefix ) {
  45                                 $wgMemc->delete( "$db:interwiki:$prefix" );
  46                         }
  47                         $this->output( "done\n" );
  48                 }
  49         }
  50 }
  51
  52 $maintClass = "ClearInterwikiCache";
  53 require_once( DO_MAINTENANCE );