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<?php
/**
* @file
* @ingroup SpecialPage
*/
/**
* A special page to show pages ordered by the number of pages linking to them.
* Implements Special:Mostlinked
*
* @ingroup SpecialPage
*
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
* @author Rob Church <robchur@gmail.com>
* @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
* @copyright © 2006 Rob Church
* @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
class MostlinkedPage extends QueryPage {
function getName() { return 'Mostlinked'; }
function isExpensive() { return true; }
function isSyndicated() { return false; }
/**
* Note: Getting page_namespace only works if $this->isCached() is false
*/
function getSQL() {
$dbr = wfGetDB( DB_SLAVE );
list( $pagelinks, $page ) = $dbr->tableNamesN( 'pagelinks', 'page' );
return
"SELECT 'Mostlinked' AS type,
pl_namespace AS namespace,
pl_title AS title,
COUNT(*) AS value,
page_namespace
FROM $pagelinks
LEFT JOIN $page ON pl_namespace=page_namespace AND pl_title=page_title
GROUP BY pl_namespace, pl_title, page_namespace
HAVING COUNT(*) > 1";
}
/**
* Pre-fill the link cache
*/
function preprocessResults( $db, $res ) {
if( $db->numRows( $res ) > 0 ) {
$linkBatch = new LinkBatch();
while( $row = $db->fetchObject( $res ) )
$linkBatch->add( $row->namespace, $row->title );
$db->dataSeek( $res, 0 );
$linkBatch->execute();
}
}
/**
* Make a link to "what links here" for the specified title
*
* @param $title Title being queried
* @param $skin Skin to use
* @return string
*/
function makeWlhLink( &$title, $caption, &$skin ) {
$wlh = SpecialPage::getTitleFor( 'Whatlinkshere', $title->getPrefixedDBkey() );
return $skin->makeKnownLinkObj( $wlh, $caption );
}
/**
* Make links to the page corresponding to the item, and the "what links here" page for it
*
* @param $skin Skin to be used
* @param $result Result row
* @return string
*/
function formatResult( $skin, $result ) {
global $wgLang;
$title = Title::makeTitleSafe( $result->namespace, $result->title );
$link = $skin->makeLinkObj( $title );
$wlh = $this->makeWlhLink( $title,
wfMsgExt( 'nlinks', array( 'parsemag', 'escape'),
$wgLang->formatNum( $result->value ) ), $skin );
return wfSpecialList( $link, $wlh );
}
}
/**
* constructor
*/
function wfSpecialMostlinked() {
list( $limit, $offset ) = wfCheckLimits();
$wpp = new MostlinkedPage();
$wpp->doQuery( $offset, $limit );
}
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