includes/SpecialListredirects.php

   1 <?php
   2 /**
   3  * @addtogroup SpecialPage
   4  *
   5  * @author Rob Church <robchur@gmail.com>
   6  * @copyright © 2006 Rob Church
   7  * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
   8  */
   9
  10 /**
  11  * Special:Listredirects - Lists all the redirects on the wiki.
  12  * @addtogroup SpecialPage
  13  */
  14 class ListredirectsPage extends QueryPage {
  15
  16         function getName() { return( 'Listredirects' ); }
  17         function isExpensive() { return( true ); }
  18         function isSyndicated() { return( false ); }
  19         function sortDescending() { return( false ); }
  20
  21         function getSQL() {
  22                 $dbr = wfGetDB( DB_SLAVE );
  23                 $page = $dbr->tableName( 'page' );
  24                 $sql = "SELECT 'Listredirects' AS type, page_title AS title, page_namespace AS namespace, 0 AS value FROM $page WHERE page_is_redirect = 1";
  25                 return( $sql );
  26         }
  27
  28         function formatResult( $skin, $result ) {
  29                 global $wgContLang;
  30
  31                 # Make a link to the redirect itself
  32                 $rd_title = Title::makeTitle( $result->namespace, $result->title );
  33                 $rd_link = $skin->makeLinkObj( $rd_title, '', 'redirect=no' );
  34
  35                 # Find out where the redirect leads
  36                 $revision = Revision::newFromTitle( $rd_title );
  37                 if( $revision ) {
  38                         # Make a link to the destination page
  39                         $target = Title::newFromRedirect( $revision->getText() );
  40                         if( $target ) {
  41                                 $arr = $wgContLang->getArrow() . $wgContLang->getDirMark();
  42                                 $targetLink = $skin->makeLinkObj( $target );
  43                                 return "$rd_link $arr $targetLink";
  44                         } else {
  45                                 return "<s>$rd_link</s>";
  46                         }
  47                 } else {
  48                         return "<s>$rd_link</s>";
  49                 }
  50         }
  51
  52 }
  53
  54 function wfSpecialListredirects() {
  55         list( $limit, $offset ) = wfCheckLimits();
  56         $lrp = new ListredirectsPage();
  57         $lrp->doQuery( $offset, $limit );
  58 }
  59
  60