maintenance/clear_interwiki_cache.php

   1 <?php
   2 /**
   3  * This script is used to clear the interwiki links for ALL languages in
   4  * memcached.
   5  *
   6  * @ingroup Maintenance
   7  */
   8
   9 require_once( "Maintenance.php" );
  10
  11 class ClearInterwikiCache extends Maintenance {
  12
  13         public function __construct() {
  14                 parent::__construct();
  15                 $this->mDescription = "Clear all interwiki links for all languages from the cache";
  16         }
  17
  18         public function execute() {
  19                 global $wgLocalDatabases;
  20                 $dbr = wfGetDB( DB_SLAVE );
  21                 $res = $dbr->select( 'interwiki', array( 'iw_prefix' ), false );
  22                 $prefixes = array();
  23                 while ( $row = $dbr->fetchObject( $res ) ) {
  24                         $prefixes[] = $row->iw_prefix;
  25                 }
  26
  27                 foreach ( $wgLocalDatabases as $db ) {
  28                         $this->output( "$db..." );
  29                         foreach ( $prefixes as $prefix ) {
  30                                 $wgMemc->delete("$db:interwiki:$prefix");
  31                         }
  32                         $this->output( "done\n" );
  33                 }
  34         }
  35 }
  36
  37 $maintClass = "ClearInterwikiCache";
  38 require_once( DO_MAINTENANCE );