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<?php
/**
* @file
* @ingroup SpecialPage
*/
/**
* A querypage to show categories ordered in descending order by the pages in them
*
* @ingroup SpecialPage
*
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
* @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
class MostlinkedCategoriesPage extends QueryPage {
function getName() { return 'Mostlinkedcategories'; }
function isExpensive() { return true; }
function isSyndicated() { return false; }
function getSQL() {
$dbr = wfGetDB( DB_SLAVE );
$categorylinks = $dbr->tableName( 'categorylinks' );
$name = $dbr->addQuotes( $this->getName() );
return
"
SELECT
$name as type,
" . NS_CATEGORY . " as namespace,
cl_to as title,
COUNT(*) as value
FROM $categorylinks
GROUP BY cl_to
";
}
function sortDescending() { return true; }
/**
* Fetch user page links and cache their existence
*/
function preprocessResults( $db, $res ) {
$batch = new LinkBatch;
while ( $row = $db->fetchObject( $res ) )
$batch->add( $row->namespace, $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 );
}
function formatResult( $skin, $result ) {
global $wgLang, $wgContLang;
$nt = Title::makeTitle( $result->namespace, $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);
}
}
/**
* constructor
*/
function wfSpecialMostlinkedCategories() {
list( $limit, $offset ) = wfCheckLimits();
$wpp = new MostlinkedCategoriesPage();
$wpp->doQuery( $offset, $limit );
}
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