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<?php
/**
* Implements Special:Mostlinkedcategories
*
* Copyright © 2005, Ævar Arnfjörð Bjarmason
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
* @ingroup SpecialPage
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
*/
/**
* A querypage to show categories ordered in descending order by the pages in them
*
* @ingroup SpecialPage
*/
class MostlinkedCategoriesPage extends QueryPage {
function __construct( $name = 'Mostlinkedcategories' ) {
parent::__construct( $name );
}
function isExpensive() { return true; }
function isSyndicated() { return false; }
function getQueryInfo() {
return array (
'tables' => array ( 'categorylinks' ),
'fields' => array ( 'cl_to AS title',
NS_CATEGORY . ' AS namespace',
'COUNT(*) AS value' ),
'options' => array ( 'GROUP BY' => 'cl_to' )
);
}
function sortDescending() { return true; }
/**
* Fetch user page links and cache their existence
*
* @param $db DatabaseBase
* @param $res DatabaseResult
*/
function preprocessResults( $db, $res ) {
$batch = new LinkBatch;
foreach ( $res as $row ) {
$batch->add( NS_CATEGORY, $row->title );
}
$batch->execute();
// Back to start for display
if ( $db->numRows( $res ) > 0 ) {
// If there are no rows we get an error seeking.
$db->dataSeek( $res, 0 );
}
}
/**
* @param $skin Skin
* @param $result
* @return string
*/
function formatResult( $skin, $result ) {
global $wgLang, $wgContLang;
$nt = Title::makeTitle( NS_CATEGORY, $result->title );
$text = $wgContLang->convert( $nt->getText() );
$plink = $skin->link( $nt, htmlspecialchars( $text ) );
$nlinks = wfMsgExt( 'nmembers', array( 'parsemag', 'escape' ),
$wgLang->formatNum( $result->value ) );
return wfSpecialList( $plink, $nlinks );
}
}
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