includes/specials/Listredirects.php

   1 <?php
   2 /**
   3  * @file
   4  * @ingroup SpecialPage
   5  *
   6  * @author Rob Church <robchur@gmail.com>
   7  * @copyright © 2006 Rob Church
   8  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
   9  */
  10
  11 /**
  12  * Special:Listredirects - Lists all the redirects on the wiki.
  13  * @ingroup SpecialPage
  14  */
  15 class ListredirectsPage extends QueryPage {
  16
  17         function getName() { return( 'Listredirects' ); }
  18         function isExpensive() { return( true ); }
  19         function isSyndicated() { return( false ); }
  20         function sortDescending() { return( false ); }
  21
  22         function getSQL() {
  23                 $dbr = wfGetDB( DB_SLAVE );
  24                 $page = $dbr->tableName( 'page' );
  25                 $sql = "SELECT 'Listredirects' AS type, page_title AS title, page_namespace AS namespace, 0 AS value FROM $page WHERE page_is_redirect = 1";
  26                 return( $sql );
  27         }
  28
  29         function formatResult( $skin, $result ) {
  30                 global $wgContLang;
  31
  32                 # Make a link to the redirect itself
  33                 $rd_title = Title::makeTitle( $result->namespace, $result->title );
  34                 $rd_link = $skin->makeLinkObj( $rd_title, '', 'redirect=no' );
  35
  36                 # Find out where the redirect leads
  37                 $revision = Revision::newFromTitle( $rd_title );
  38                 if( $revision ) {
  39                         # Make a link to the destination page
  40                         $target = Title::newFromRedirect( $revision->getText() );
  41                         if( $target ) {
  42                                 $arr = $wgContLang->getArrow() . $wgContLang->getDirMark();
  43                                 $targetLink = $skin->makeLinkObj( $target );
  44                                 return "$rd_link $arr $targetLink";
  45                         } else {
  46                                 return "<s>$rd_link</s>";
  47                         }
  48                 } else {
  49                         return "<s>$rd_link</s>";
  50                 }
  51         }
  52 }
  53
  54 function wfSpecialListredirects() {
  55         list( $limit, $offset ) = wfCheckLimits();
  56         $lrp = new ListredirectsPage();
  57         $lrp->doQuery( $offset, $limit );
  58 }